muen/linux.git
4 years agoASoC: Intel: kbl: Add new FEs for Multi-Playback & Echo-Reference
Naveen Manohar [Wed, 2 Aug 2017 06:13:33 +0000 (11:43 +0530)]
ASoC: Intel: kbl: Add new FEs for Multi-Playback & Echo-Reference

Adding new frontends to support:
1. Parallel playback on 2 ports simultaneously
2. Echo reference capture capability

Signed-off-by: Naveen M <naveen.m@intel.com>
Signed-off-by: Sathya Prakash M R <sathya.prakash.m.r@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: Intel: Skylake: Fix potential null pointer dereference
guneshwor.o.singh@intel.com [Fri, 28 Jul 2017 10:42:16 +0000 (16:12 +0530)]
ASoC: Intel: Skylake: Fix potential null pointer dereference

Check if the next sink is not null to avoid potential null pointer
dereference in skl_tplg_bind_sinks().

Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: Intel: Skylake: Remove return check for skl_codec_create()
guneshwor.o.singh@intel.com [Fri, 28 Jul 2017 10:42:15 +0000 (16:12 +0530)]
ASoC: Intel: Skylake: Remove return check for skl_codec_create()

Since skl_codec_create() always returns 0, make it return void and remove
return check.

Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: Intel: bxtn: Remove code loader reference in cleanup
Dronamraju Santosh P K [Fri, 28 Jul 2017 10:42:14 +0000 (16:12 +0530)]
ASoC: Intel: bxtn: Remove code loader reference in cleanup

Since Broxton does not use code loader DMA, remove code loader cleanup
in its dsp cleanup routine. Remove the iounmap too as it is done in
skl_free_dsp().

Signed-off-by: Dronamraju Santosh P K <santosh.pavan.kumarx.dronamraju@intel.com>
Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: Intel: Skylake: Reset the controller in probe
guneshwor.o.singh@intel.com [Fri, 28 Jul 2017 10:42:13 +0000 (16:12 +0530)]
ASoC: Intel: Skylake: Reset the controller in probe

Controller can be in reset state by default. Capability structure
traversal requires the controller to be out of reset else it
results in broken capability parsing. Hence make sure that controller is
out of reset before parsing capabilities by doing a full reset.

Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: Intel: Enabling 4 slot IV feedback for max98927 on Kabylake platform
Harsha Priya N [Fri, 28 Jul 2017 00:41:27 +0000 (17:41 -0700)]
ASoC: Intel: Enabling 4 slot IV feedback for max98927 on Kabylake platform

This patch enables 4 slot IV feedback for max98927 speaker amp codec.

Signed-off-by: Harsha Priya <harshapriya.n@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: Intel: Add Kabylake RT5663 machine driver entry
Kevin Cheng [Thu, 27 Jul 2017 08:38:37 +0000 (16:38 +0800)]
ASoC: Intel: Add Kabylake RT5663 machine driver entry

Adds Kabylake rt5663 machine driver entry into machine table

Signed-off-by: Kevin Cheng <kevin.cheng@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: Intel: Add Kabylake machine driver for RT5663
Kevin Cheng [Thu, 27 Jul 2017 08:38:36 +0000 (16:38 +0800)]
ASoC: Intel: Add Kabylake machine driver for RT5663

This patch adds Kabylake I2S machine driver which uses
RT5663 as headset on ssp1.

Signed-off-by: Kevin Cheng <kevin.cheng@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: Intel: board: Fix missing sentinel for bxt_board_id
Pradeep Tewani [Tue, 25 Jul 2017 06:29:46 +0000 (11:59 +0530)]
ASoC: Intel: board: Fix missing sentinel for bxt_board_id

Without a sentinel in the array of platform devices, we can get a panic
so add a sentinel. Full stack dump below:

[  231.564705] BUG: KASAN: global-out-of-bounds in platform_match+0xb0/0x146
[  231.565500] Read of size 1 at addr ffffffff8380a1a0 by task swapper/0/1
[  231.566280]
[  231.566594] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.12.0-00289-g152771f #1
[  231.567526] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[  231.568730] Call Trace:
[  231.569128]  dump_stack+0xf8/0x14a
[  231.569615]  print_address_description+0x57/0x1e4
[  231.570216]  ? driver_probe_device+0x814/0x814
[  231.570798]  kasan_report+0x1cb/0x1eb
[  231.571302]  ? platform_match+0xb0/0x146
[  231.571833]  __asan_load1+0x45/0x47
[  231.572324]  platform_match+0xb0/0x146
[  231.572843]  ? platform_uevent+0x73/0x73
[  231.573370]  __driver_attach+0x47/0x16a
[  231.573890]  bus_for_each_dev+0x11a/0x15c
[  231.574422]  ? bus_remove_file+0x57/0x57
[  231.574951]  ? do_raw_spin_unlock+0xc3/0xe0
[  231.575501]  driver_attach+0x2b/0x2e
[  231.576002]  bus_add_driver+0x25e/0x3c5
[  231.576520]  ? set_debug_rodata+0x20/0x20
[  231.584776]  driver_register+0x13e/0x19d
[  231.585305]  __platform_driver_register+0x6c/0x71
[  231.585908]  ? skl_driver_init+0x20/0x20
[  231.586436]  broxton_audio_init+0x17/0x19
[  231.586976]  do_one_initcall+0x11a/0x221
[  231.587499]  ? start_kernel+0x525/0x525
[  231.588020]  ? lock_downgrade+0x281/0x2ec
[  231.588557]  ? trace_hardirqs_on_caller+0x223/0x267
[  231.589169]  ? _raw_spin_unlock_irqrestore+0x49/0x55
[  231.589791]  ? set_debug_rodata+0x20/0x20
[  231.590324]  kernel_init_freeable+0x1fd/0x2b0
[  231.590891]  ? rest_init+0x17c/0x17c
[  231.591384]  kernel_init+0x11/0x157
[  231.591876]  ? rest_init+0x17c/0x17c
[  231.592371]  ret_from_fork+0x2a/0x40
[  231.592865]
[  231.593166] The buggy address belongs to the variable:
[  231.593806]  bxt_board_ids+0x40/0x9e0

Fixes: 152771fbc3 ("ASoC: Intel: board: Add Geminilake platform support")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Pradeep Tewani <pradeep.d.tewani@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: Intel: board: Add Geminilake platform support
Pradeep Tewani [Thu, 20 Jul 2017 06:10:57 +0000 (11:40 +0530)]
ASoC: Intel: board: Add Geminilake platform support

Geminilake also features rt298 codec, so use the same machine driver
as Broxton. Geminilake uses SSP2 instead of SSP5.

Signed-off-by: Pradeep Tewani <pradeep.d.tewani@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: hdac_hdmi: Add the vendor nid for Geminilake HDMI
Pradeep Tewani [Thu, 20 Jul 2017 06:10:56 +0000 (11:40 +0530)]
ASoC: hdac_hdmi: Add the vendor nid for Geminilake HDMI

Geminilake HDMI codec has the different vendor nid. This patch adds the
vendor nid as the part of driver data and uses it.

Signed-off-by: Pradeep Tewani <pradeep.d.tewani@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: Intel: board: Remove .owner initialization in bxt_rt298 driver
Pradeep Tewani [Thu, 20 Jul 2017 06:10:55 +0000 (11:40 +0530)]
ASoC: Intel: board: Remove .owner initialization in bxt_rt298 driver

The .owner field is not required to be initialized in the driver. So,
remove it.

Signed-off-by: Pradeep Tewani <pradeep.d.tewani@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: Intel: Atom: constify snd_soc_dai_ops structures
Gustavo A. R. Silva [Thu, 13 Jul 2017 06:26:06 +0000 (01:26 -0500)]
ASoC: Intel: Atom: constify snd_soc_dai_ops structures

These structures are only stored in the ops field of a snd_soc_dai_driver
structure. That field is declared const, so snd_soc_dai_ops structures
that have this property can be declared as const also.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: Intel: Skylake: constify snd_soc_dai_ops structures
Gustavo A. R. Silva [Thu, 13 Jul 2017 06:16:46 +0000 (01:16 -0500)]
ASoC: Intel: Skylake: constify snd_soc_dai_ops structures

These structures are only stored in the ops field of a snd_soc_dai_driver
structure. That field is declared const, so snd_soc_dai_ops structures
that have this property can be declared as const also.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: Intel: Skylake: fix type in debug message
Colin Ian King [Thu, 13 Jul 2017 23:04:06 +0000 (00:04 +0100)]
ASoC: Intel: Skylake: fix type in debug message

Trivial fix to typo in debug message, dst_instacne should be
dst_instance

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
4 years agoASoC: Intel: Skylake: Fix default dma_buffer_size
Subhransu S. Prusty [Fri, 30 Jun 2017 13:08:44 +0000 (18:38 +0530)]
ASoC: Intel: Skylake: Fix default dma_buffer_size

If the dma_buffer_size is not defined in topology, fix it to 2ms default
value to make backward compatible.

Fixes: f6e6ab1d16ec ("ASoC: Intel: Skylake: Fix dma buffer size calculation")
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoMerge remote-tracking branch 'asoc/topic/inte' into asoc-next
Mark Brown [Mon, 3 Jul 2017 15:51:38 +0000 (16:51 +0100)]
Merge remote-tracking branch 'asoc/topic/inte' into asoc-next

5 years agoMerge remote-tracking branches 'asoc/topic/davinci', 'asoc/topic/drm', 'asoc/topic...
Mark Brown [Mon, 3 Jul 2017 15:51:36 +0000 (16:51 +0100)]
Merge remote-tracking branches 'asoc/topic/davinci', 'asoc/topic/drm', 'asoc/topic/dwc' and 'asoc/topic/es8316' into asoc-next

5 years agoMerge remote-tracking branches 'asoc/topic/cs4271', 'asoc/topic/cs53l30', 'asoc/topic...
Mark Brown [Mon, 3 Jul 2017 15:51:34 +0000 (16:51 +0100)]
Merge remote-tracking branches 'asoc/topic/cs4271', 'asoc/topic/cs53l30', 'asoc/topic/da7213' and 'asoc/topic/da7218' into asoc-next

5 years agoMerge remote-tracking branches 'asoc/topic/ak4613', 'asoc/topic/ak4642', 'asoc/topic...
Mark Brown [Mon, 3 Jul 2017 15:51:31 +0000 (16:51 +0100)]
Merge remote-tracking branches 'asoc/topic/ak4613', 'asoc/topic/ak4642', 'asoc/topic/atmel', 'asoc/topic/cs35l34' and 'asoc/topic/cs35l35' into asoc-next

5 years agoMerge remote-tracking branch 'asoc/topic/rcar' into asoc-next
Mark Brown [Mon, 3 Jul 2017 15:51:30 +0000 (16:51 +0100)]
Merge remote-tracking branch 'asoc/topic/rcar' into asoc-next

5 years agoMerge remote-tracking branch 'asoc/topic/intel' into asoc-next
Mark Brown [Mon, 3 Jul 2017 15:51:30 +0000 (16:51 +0100)]
Merge remote-tracking branch 'asoc/topic/intel' into asoc-next

5 years agoMerge remote-tracking branch 'asoc/topic/dapm' into asoc-next
Mark Brown [Mon, 3 Jul 2017 15:51:29 +0000 (16:51 +0100)]
Merge remote-tracking branch 'asoc/topic/dapm' into asoc-next

5 years agoMerge remote-tracking branches 'asoc/fix/rockchip', 'asoc/fix/rt5645', 'asoc/fix...
Mark Brown [Mon, 3 Jul 2017 15:51:26 +0000 (16:51 +0100)]
Merge remote-tracking branches 'asoc/fix/rockchip', 'asoc/fix/rt5645', 'asoc/fix/rt5663', 'asoc/fix/rt5670' and 'asoc/fix/zte' into asoc-linus

5 years agoMerge remote-tracking branches 'asoc/fix/ak4613', 'asoc/fix/atmel', 'asoc/fix/compres...
Mark Brown [Mon, 3 Jul 2017 15:51:23 +0000 (16:51 +0100)]
Merge remote-tracking branches 'asoc/fix/ak4613', 'asoc/fix/atmel', 'asoc/fix/compress', 'asoc/fix/cs35l35' and 'asoc/fix/da7219' into asoc-linus

5 years agoMerge remote-tracking branch 'asoc/fix/rcar' into asoc-linus
Mark Brown [Mon, 3 Jul 2017 15:51:22 +0000 (16:51 +0100)]
Merge remote-tracking branch 'asoc/fix/rcar' into asoc-linus

5 years agoMerge remote-tracking branch 'asoc/fix/intel' into asoc-linus
Mark Brown [Mon, 3 Jul 2017 15:51:22 +0000 (16:51 +0100)]
Merge remote-tracking branch 'asoc/fix/intel' into asoc-linus

5 years agoASoC: Intel: Skylake: Remove driver debugfs exit
Vinod Koul [Mon, 3 Jul 2017 08:24:47 +0000 (13:54 +0530)]
ASoC: Intel: Skylake: Remove driver debugfs exit

For driver debugfs, debugfs_remove_recursive() is called which is not
needed as it is already done in ASoC core debugfs. And a device managed
memory need not be freed explicitly as device core frees it up. So
remove unnecessary skl_debugfs_exit().

Fixes: 5cdf6c09ca9d ASoC: ("Intel: Skylake: Add debugfs support")
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: Intel: Skylake: explicitly add the headers sst-dsp.h
Vinod Koul [Mon, 3 Jul 2017 08:24:46 +0000 (13:54 +0530)]
ASoC: Intel: Skylake: explicitly add the headers sst-dsp.h

Commit bdd0384a5ada ("ASoC: Intel: Skylake: Add support to read firmware
registers") introduced firmware register read so added sst-dsp-priv.h but
missed adding sst-dsp.h as that leads to below compiler warning:

   In file included from sound/soc/intel/skylake/skl-debug.c:23:0:
>> sound/soc/intel/skylake/../common/sst-dsp-priv.h:63:42: warning:
'struct sst_pdata' declared inside parameter list [enabled by default]
     int (*init)(struct sst_dsp *sst, struct sst_pdata *pdata);
                                             ^
>> sound/soc/intel/skylake/../common/sst-dsp-priv.h:63:42: warning:
its scope is only this definition or declaration, which is probably
not what you want [enabled by default]

So add the missing header.

Fixes: bdd0384a5ada ("ASoC: Intel: Skylake: Add support to read firmware registers")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoMerge remote-tracking branch 'asoc/topic/zx-aud96p22' into asoc-next
Mark Brown [Mon, 3 Jul 2017 15:15:23 +0000 (16:15 +0100)]
Merge remote-tracking branch 'asoc/topic/zx-aud96p22' into asoc-next

5 years agoMerge remote-tracking branches 'asoc/topic/stm32', 'asoc/topic/sunxi', 'asoc/topic...
Mark Brown [Mon, 3 Jul 2017 15:15:20 +0000 (16:15 +0100)]
Merge remote-tracking branches 'asoc/topic/stm32', 'asoc/topic/sunxi', 'asoc/topic/tlv320dac31xx', 'asoc/topic/topology' and 'asoc/topic/wm-adsp' into asoc-next

5 years agoMerge remote-tracking branches 'asoc/topic/samsung', 'asoc/topic/sgtl5000' and 'asoc...
Mark Brown [Mon, 3 Jul 2017 15:15:19 +0000 (16:15 +0100)]
Merge remote-tracking branches 'asoc/topic/samsung', 'asoc/topic/sgtl5000' and 'asoc/topic/sh' into asoc-next

5 years agoMerge remote-tracking branches 'asoc/topic/rt5614', 'asoc/topic/rt5645', 'asoc/topic...
Mark Brown [Mon, 3 Jul 2017 15:15:17 +0000 (16:15 +0100)]
Merge remote-tracking branches 'asoc/topic/rt5614', 'asoc/topic/rt5645', 'asoc/topic/rt5651', 'asoc/topic/rt5665' and 'asoc/topic/rt5670' into asoc-next

5 years agoMerge remote-tracking branches 'asoc/topic/omap', 'asoc/topic/pxa', 'asoc/topic/rockc...
Mark Brown [Mon, 3 Jul 2017 15:15:15 +0000 (16:15 +0100)]
Merge remote-tracking branches 'asoc/topic/omap', 'asoc/topic/pxa', 'asoc/topic/rockchip' and 'asoc/topic/rt5514' into asoc-next

5 years agoMerge remote-tracking branches 'asoc/topic/msm8916', 'asoc/topic/mtk', 'asoc/topic...
Mark Brown [Mon, 3 Jul 2017 15:15:12 +0000 (16:15 +0100)]
Merge remote-tracking branches 'asoc/topic/msm8916', 'asoc/topic/mtk', 'asoc/topic/nau8824', 'asoc/topic/nau8825' and 'asoc/topic/of-graph' into asoc-next

5 years agoMerge remote-tracking branches 'asoc/topic/fsl', 'asoc/topic/hdmi', 'asoc/topic/hisi...
Mark Brown [Mon, 3 Jul 2017 15:15:11 +0000 (16:15 +0100)]
Merge remote-tracking branches 'asoc/topic/fsl', 'asoc/topic/hdmi', 'asoc/topic/hisi' and 'asoc/topic/max9867' into asoc-next

5 years agoMerge remote-tracking branches 'asoc/topic/davinci', 'asoc/topic/drm', 'asoc/topic...
Mark Brown [Mon, 3 Jul 2017 15:15:09 +0000 (16:15 +0100)]
Merge remote-tracking branches 'asoc/topic/davinci', 'asoc/topic/drm', 'asoc/topic/dwc' and 'asoc/topic/es8316' into asoc-next

5 years agoMerge remote-tracking branches 'asoc/topic/cs4271', 'asoc/topic/cs53l30', 'asoc/topic...
Mark Brown [Mon, 3 Jul 2017 15:15:07 +0000 (16:15 +0100)]
Merge remote-tracking branches 'asoc/topic/cs4271', 'asoc/topic/cs53l30', 'asoc/topic/da7213' and 'asoc/topic/da7218' into asoc-next

5 years agoMerge remote-tracking branches 'asoc/topic/ak4613', 'asoc/topic/ak4642', 'asoc/topic...
Mark Brown [Mon, 3 Jul 2017 15:15:05 +0000 (16:15 +0100)]
Merge remote-tracking branches 'asoc/topic/ak4613', 'asoc/topic/ak4642', 'asoc/topic/atmel', 'asoc/topic/cs35l34' and 'asoc/topic/cs35l35' into asoc-next

5 years agoMerge remote-tracking branch 'asoc/topic/rcar' into asoc-next
Mark Brown [Mon, 3 Jul 2017 15:15:04 +0000 (16:15 +0100)]
Merge remote-tracking branch 'asoc/topic/rcar' into asoc-next

5 years agoMerge remote-tracking branch 'asoc/topic/intel' into asoc-next
Mark Brown [Mon, 3 Jul 2017 15:15:04 +0000 (16:15 +0100)]
Merge remote-tracking branch 'asoc/topic/intel' into asoc-next

5 years agoMerge remote-tracking branch 'asoc/topic/dapm' into asoc-next
Mark Brown [Mon, 3 Jul 2017 15:15:03 +0000 (16:15 +0100)]
Merge remote-tracking branch 'asoc/topic/dapm' into asoc-next

5 years agoMerge remote-tracking branches 'asoc/fix/rockchip', 'asoc/fix/rt5645', 'asoc/fix...
Mark Brown [Mon, 3 Jul 2017 15:15:00 +0000 (16:15 +0100)]
Merge remote-tracking branches 'asoc/fix/rockchip', 'asoc/fix/rt5645', 'asoc/fix/rt5663', 'asoc/fix/rt5670' and 'asoc/fix/zte' into asoc-linus

5 years agoMerge remote-tracking branches 'asoc/fix/ak4613', 'asoc/fix/atmel', 'asoc/fix/compres...
Mark Brown [Mon, 3 Jul 2017 15:14:58 +0000 (16:14 +0100)]
Merge remote-tracking branches 'asoc/fix/ak4613', 'asoc/fix/atmel', 'asoc/fix/compress', 'asoc/fix/cs35l35' and 'asoc/fix/da7219' into asoc-linus

5 years agoMerge remote-tracking branch 'asoc/fix/rcar' into asoc-linus
Mark Brown [Mon, 3 Jul 2017 15:14:57 +0000 (16:14 +0100)]
Merge remote-tracking branch 'asoc/fix/rcar' into asoc-linus

5 years agoMerge remote-tracking branch 'asoc/fix/intel' into asoc-linus
Mark Brown [Mon, 3 Jul 2017 15:14:57 +0000 (16:14 +0100)]
Merge remote-tracking branch 'asoc/fix/intel' into asoc-linus

5 years agoLinux 4.12 v4.12
Linus Torvalds [Sun, 2 Jul 2017 23:07:02 +0000 (16:07 -0700)]
Linux 4.12

5 years agomoduleparam: fix doc: hwparam_irq configures an IRQ
Sylvain 'ythier' Hitier [Sun, 2 Jul 2017 13:21:56 +0000 (15:21 +0200)]
moduleparam: fix doc: hwparam_irq configures an IRQ

Signed-off-by: Sylvain 'ythier' Hitier <sylvain.hitier@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
5 years agoMerge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Linus Torvalds [Sun, 2 Jul 2017 18:53:44 +0000 (11:53 -0700)]
Merge branch 'upstream' of git://git.linux-mips.org/ralf/upstream-linus

Pull MIPS fixes from Ralf Baechle:
 "Here's a final round of fixes for 4.12:

   - Fix misordered instructions in assembly code making kenel startup
     via UHB unreliable.

   - Fix special case of MADDF and MADDF emulation.

   - Fix alignment issue in address calculation in pm-cps on 64 bit.

   - Fix IRQ tracing & lockdep when rescheduling

   - Systems with MAARs require post-DMA cache flushes.

  The reordering fix and the MADDF/MSUBF fix have sat in linux-next for
  a number of days. The others haven't propagated from my pull tree to
  linux-next yet but all have survived manual testing and Imagination's
  automated test system and there are no pending bug reports"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: Avoid accidental raw backtrace
  MIPS: Perform post-DMA cache flushes on systems with MAARs
  MIPS: Fix IRQ tracing & lockdep when rescheduling
  MIPS: pm-cps: Drop manual cache-line alignment of ready_count
  MIPS: math-emu: Handle zero accumulator case in MADDF and MSUBF separately
  MIPS: head: Reorder instructions missing a delay slot

5 years agoMerge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm
Linus Torvalds [Sun, 2 Jul 2017 17:09:40 +0000 (10:09 -0700)]
Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM fix from Russell King:
 "One final fix for 4.12 - Doug found a boot failure case triggered by
  requesting a non-even MB vmalloc size"

* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 8685/1: ensure memblock-limit is pmd-aligned

5 years agoMerge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 1 Jul 2017 16:10:17 +0000 (09:10 -0700)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull x86 fixes from Thomas Gleixner:
 "Fixlets for x86:

   - Prevent kexec crash when KASLR is enabled, which was caused by an
     address calculation bug

   - Restore the freeing of PUDs on memory hot remove

   - Correct a negated pointer check in the intel uncore performance
     monitoring driver

   - Plug a memory leak in an error exit path in the RDT code"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/intel_rdt: Fix memory leak on mount failure
  x86/boot/KASLR: Fix kexec crash due to 'virt_addr' calculation bug
  x86/boot/KASLR: Add checking for the offset of kernel virtual address randomization
  perf/x86/intel/uncore: Fix wrong box pointer check
  x86/mm/hotplug: Fix BUG_ON() after hot-remove by not freeing PUD

5 years agoMerge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 1 Jul 2017 15:46:52 +0000 (08:46 -0700)]
Merge branch 'perf-urgent-for-linus' of git://git./linux/kernel/git/tip/tip

Pull perf fix from Thomas Gleixner:
 "The last fix for perf for this cycles:

   - Prevent a segfault when kernel.kptr_restrict=2 is set by avoiding a
     null pointer dereference"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf machine: Fix segfault for kernel.kptr_restrict=2

5 years agoMerge tag 'pinctrl-v4.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw...
Linus Torvalds [Sat, 1 Jul 2017 15:39:13 +0000 (08:39 -0700)]
Merge tag 'pinctrl-v4.12-4' of git://git./linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl fix from Linus Walleij:
 "Brian noticed that this regression has not got a proper fix for the
  entire merge window and consequently we need to revert the offending
  commit.

  It's part of the RT-mainstream work, the dance goes like this, two
  steps forward, one step back.

  Summary:

   - A last fix for v4.12, an IRQ problem reported early in the merge
     window appears not to have been properly fixed, so the offending
     commit will be reverted and we will find the proper fix for v4.13.
     Hopefully"

* tag 'pinctrl-v4.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  Revert "pinctrl: rockchip: avoid hardirq-unsafe functions in irq_chip"

5 years agoMerge tag 'gpio-v4.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw...
Linus Torvalds [Sat, 1 Jul 2017 15:24:54 +0000 (08:24 -0700)]
Merge tag 'gpio-v4.12-4' of git://git./linux/kernel/git/linusw/linux-gpio

Pull last minute fixes for GPIO from Linus Walleij:

 - Fix another ACPI problem with broken BIOSes.

 - Filter out the right GPIO events, making a very user-visible bug go
   away.

* tag 'gpio-v4.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: acpi: Skip _AEI entries without a handler rather then aborting the scan
  gpiolib: fix filtering out unwanted events

5 years agoMerge tag 'trace-v4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...
Linus Torvalds [Sat, 1 Jul 2017 00:18:57 +0000 (17:18 -0700)]
Merge tag 'trace-v4.12-rc5' of git://git./linux/kernel/git/rostedt/linux-trace

Pull last-minute tracing fixes from Steven Rostedt:
 "Two fixes:

  One is for a crash when using the :mod: trace probe command into
  stack_trace_filter. This bug was introduced during the last merge
  window.

  The other was there forever. It's a small bug that makes it impossible
  to name a module function for kprobes when the module starts with a
  digit"

* tag 'trace-v4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing/kprobes: Allow to create probe with a module name starting with a digit
  ftrace: Fix regression with module command in stack_trace_filter

5 years agouapi/linux/a.out.h: don't use deprecated system-specific predefines.
Zack Weinberg [Wed, 14 Jun 2017 15:14:28 +0000 (08:14 -0700)]
uapi/linux/a.out.h: don't use deprecated system-specific predefines.

uapi/linux/a.out.h uses a number of predefined macros that are
deprecated because they're in the application namespace
(e.g. '#ifdef linux' instead of '#ifdef __linux__').
This patch either corrects or just removes them if they are not
applicable to Linux.

The primary reason this is worth bothering to fix, considering how
obsolete a.out binary support is, is that the GCC build process
considers this such a severe error that it will copy the header into a
private directory and change the macro names, which causes future
updates to the header to be masked.  This header probably doesn't get
updated very often anymore, but it is the _only_ uapi header that gets
this treatment, so IMHO it is worth patching just to drive that number
all the way to zero.

Signed-off-by: Zack Weinberg <zackw@panix.com>
[hch: removed dead conditionals]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
5 years agohashtable: remove repeated phrase from a comment
Jakub Kicinski [Thu, 29 Jun 2017 04:25:48 +0000 (21:25 -0700)]
hashtable: remove repeated phrase from a comment

"in a rcu enabled hashtable" is repeated twice in a comment.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
5 years agox86/intel_rdt: Fix memory leak on mount failure
Vikas Shivappa [Mon, 26 Jun 2017 18:55:49 +0000 (11:55 -0700)]
x86/intel_rdt: Fix memory leak on mount failure

If mount fails, the kn_info directory is not freed causing memory leak.

Add the missing error handling path.

Fixes: 4e978d06dedb ("x86/intel_rdt: Add "info" files to resctrl file system")
Signed-off-by: Vikas Shivappa <vikas.shivappa@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: ravi.v.shankar@intel.com
Cc: tony.luck@intel.com
Cc: fenghua.yu@intel.com
Cc: peterz@infradead.org
Cc: vikas.shivappa@intel.com
Cc: andi.kleen@intel.com
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/1498503368-20173-3-git-send-email-vikas.shivappa@linux.intel.com
5 years agoMerge tag 'powerpc-4.12-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...
Linus Torvalds [Fri, 30 Jun 2017 17:55:34 +0000 (10:55 -0700)]
Merge tag 'powerpc-4.12-8' of git://git./linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
 "Hopefully the last two powerpc fixes for 4.12.

  The CXL one is larger than I'd usually send at rc7, but it fixes new
  code this cycle, so better to have it working for the release. It was
  actually sent a few weeks back but got blocked in testing behind
  another fix that was causing issues.

  We are still tracking one crash in v4.12-rc7, but only one person has
  reproduced it and the commit identified by bisect doesn't touch any of
  the relevant code, so I think it's 50/50 whether that commit is
  actually the problem or it's some code layout / toolchain issue.

  Two fixes for code we merged this cycle:

   - cxl: Fixes for Coherent Accelerator Interface Architecture 2.0

   - Avoid miscompilation w/GCC 4.6.3 on 32-bit - don't inline
     copy_to/from_user()

  Thanks to Al Viro, Larry Finger, Christophe Lombard"

* tag 'powerpc-4.12-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/32: Avoid miscompilation w/GCC 4.6.3 - don't inline copy_to/from_user()
  cxl: Fixes for Coherent Accelerator Interface Architecture 2.0

5 years agoMerge tag 'iommu-fixes-v4.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Fri, 30 Jun 2017 17:37:48 +0000 (10:37 -0700)]
Merge tag 'iommu-fixes-v4.12-rc7' of git://git./linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:
 "Two fixes:

   - A fix for AMD IOMMU interrupt remapping code when IRQs are
     forwarded directly to KVM guests

   - Fixed check in the recently merged code to allow tboot with
     Intel VT-d disabled"

* tag 'iommu-fixes-v4.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/amd: Fix interrupt remapping when disable guest_mode
  iommu/vt-d: Correctly disable Intel IOMMU force on

5 years agoMerge tag 'sound-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Linus Torvalds [Fri, 30 Jun 2017 17:30:26 +0000 (10:30 -0700)]
Merge tag 'sound-4.12' of git://git./linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Two last-minute HD-audio fixes"

* tag 'sound-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Fix endless loop of codec configure
  ALSA: hda - set input_path bitmap to zero after moving it to new place

5 years agoMerge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszer...
Linus Torvalds [Fri, 30 Jun 2017 17:22:59 +0000 (10:22 -0700)]
Merge branch 'overlayfs-linus' of git://git./linux/kernel/git/mszeredi/vfs

Pull overlayfs fixes from Miklos Szeredi:
 "Fix two bugs in copy-up code. One introduced in 4.11 and one in
  4.12-rc"

* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  ovl: don't set origin on broken lower hardlink
  ovl: copy-up: don't unlock between lookup and link

5 years agoASoC: Intel: Skylake: Add support to read firmware registers
Vunny Sodhi [Fri, 30 Jun 2017 03:36:08 +0000 (09:06 +0530)]
ASoC: Intel: Skylake: Add support to read firmware registers

This patch adds debugfs support to read fw registers, mailbox
offsets and sram address.

Signed-off-by: Mousumi Jana <mousumix.jana@intel.com>
Signed-off-by: Ramesh Babu <ramesh.babu@intel.com>
Signed-off-by: Jayachandran B <jayachandran.b@intel.com>
Signed-off-by: Pardha Saradhi K <pardha.saradhi.kesapragada@intel.com>
Signed-off-by: Vunny Sodhi <vunnyx.sodhi@intel.com>
Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: Intel: Skylake: Add sram address to sst_addr structure
Guneshwor Singh [Fri, 30 Jun 2017 03:36:07 +0000 (09:06 +0530)]
ASoC: Intel: Skylake: Add sram address to sst_addr structure

SRAM address and memory window size differ for different platforms.
So add members to sst_addr structure and initialize them in the
respective dsp_init().

Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Acked-By: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: Intel: Skylake: Debugfs facility to dump module config
Vinod Koul [Fri, 30 Jun 2017 03:36:06 +0000 (09:06 +0530)]
ASoC: Intel: Skylake: Debugfs facility to dump module config

Driver modules have lot of information represented in struct
skl_module_cfg. Knowing this is useful for debug, so enable
debugfs for this structure.

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Vunny Sodhi <vunnyx.sodhi@intel.com>
Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: Intel: Skylake: Add debugfs support
Vinod Koul [Fri, 30 Jun 2017 03:36:05 +0000 (09:06 +0530)]
ASoC: Intel: Skylake: Add debugfs support

For debug, the kernel debugfs mechanism is available. We can add various
debug options for driver like module configuration read, firmware register
read etc.

This patch adds debugfs as a child to asoc plaform component and caller is
added for skylake driver to do init and cleanup of debugfs.

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Vunny Sodhi <vunnyx.sodhi@intel.com>
Signed-off-by: Guneshwor Singh <guneshwor.o.singh@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: fix semicolon.cocci warnings
Wu Fengguang [Thu, 29 Jun 2017 16:27:13 +0000 (00:27 +0800)]
ASoC: fix semicolon.cocci warnings

sound/soc/soc-core.c:1961:2-3: Unneeded semicolon

 Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

Fixes: 98faf436ee05 ("ASoC: Drop invalid DMI fields when setting card long name from DMI info")
CC: Mengdong Lin <mengdong.lin@linux.intel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: rt5645: Add quirk override by module option
Takashi Iwai [Thu, 29 Jun 2017 16:08:33 +0000 (18:08 +0200)]
ASoC: rt5645: Add quirk override by module option

For making the development easier, add quirk module option to override
the platform data setup.  For example, a platform with inverted jack
detection with jd_mode=2, pass the value 0x21 (0x1 = inv_jd1_1, 0x20 =
jd_mode=2).  It overrides the whole pdata fields, so pass it
carefully.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Tested-by: James Cameron <quozl@laptop.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: rsnd: make arrays path and cmd_case static const
Colin Ian King [Fri, 30 Jun 2017 09:50:59 +0000 (10:50 +0100)]
ASoC: rsnd: make arrays path and cmd_case static const

Don't populate the arrays path and cmd_case on the stack but make
them static const.  Makes the object code smaller:

Before:
   text    data     bss     dec     hex filename
   2673     624       0    3297     ce1 sound/soc/sh/rcar/cmd.o

After:
   text    data     bss     dec     hex filename
   2398     768       0    3166     c5e sound/soc/sh/rcar/cmd.o

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: audio-graph-card: add widgets and routing for external amplifier support
Shawn Guo [Thu, 29 Jun 2017 13:26:38 +0000 (21:26 +0800)]
ASoC: audio-graph-card: add widgets and routing for external amplifier support

It's very common that audio card has a machine level amplifier which is
controlled by GPIO.  The patch adds DAPM widgets and routing support
into audio-graph-card driver, and creates an output driver widget with
event to control the amplifier via GPIO.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: audio-graph-card: update bindings for amplifier support
Shawn Guo [Thu, 29 Jun 2017 13:26:37 +0000 (21:26 +0800)]
ASoC: audio-graph-card: update bindings for amplifier support

The audio-graph-card should be able to support widgets and routing in
the same way as what simple-audio-card does.  The patch adds the
properties into audio-graph-card bindings.  Then an optional property
'pa-gpios' for controlling external amplifier, which depends on DAPM
widgets and routing, is added.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: rt5665: calibration should be done before jack detection
Bard Liao [Thu, 29 Jun 2017 12:07:50 +0000 (20:07 +0800)]
ASoC: rt5665: calibration should be done before jack detection

We will set some volatile registers in jack detection function. But
those volatile registers will be clear in rt5665_calibrate function
because we set cache bypass and reset codec in rt5665_calibrate function.
This patch add a flag to make sure that rt5665_calibrate is done
before starting jack detection.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: rsnd: constify dev_pm_ops structures.
Arvind Yadav [Thu, 29 Jun 2017 05:10:50 +0000 (10:40 +0530)]
ASoC: rsnd: constify dev_pm_ops structures.

dev_pm_ops are not supposed to change at runtime. All functions
working with dev_pm_ops provided by <linux/device.h> work with const
dev_pm_ops. So mark the non-const structs as const.

File size before:
   text    data     bss     dec     hex filename
   8172     920       0    9092    2384 sound/soc/sh/rcar/core.o

File size After adding 'const':
   text    data     bss     dec     hex filename
   8364     728       0    9092    2384 sound/soc/sh/rcar/core.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: nau8825: change crosstalk-bypass property to bool type
John Hsu [Thu, 29 Jun 2017 03:41:30 +0000 (11:41 +0800)]
ASoC: nau8825: change crosstalk-bypass property to bool type

The property type of "nuvoton,crosstalk-bypass" changes to boolean.
The document is updated as well.

Signed-off-by: John Hsu <KCHSU0@nuvoton.com>
Signed-off-by: John Hsu <supercraig0719@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: rt5670: fix incompatible pointer type of set_sysclk
Bard Liao [Thu, 29 Jun 2017 01:47:55 +0000 (09:47 +0800)]
ASoC: rt5670: fix incompatible pointer type of set_sysclk

The first parameter is codec not dai.

Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: dapm: Add new widget type for constructing DAPM graphs on DSPs.
Liam Girdwood [Thu, 29 Jun 2017 13:22:24 +0000 (14:22 +0100)]
ASoC: dapm: Add new widget type for constructing DAPM graphs on DSPs.

Add some DAPM widget types to better support the construction of DAPM
graphs within DSPs.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: topology: show index in debug when adding DAPM routes
Liam Girdwood [Thu, 29 Jun 2017 13:22:26 +0000 (14:22 +0100)]
ASoC: topology: show index in debug when adding DAPM routes

Makes the debug output much more useful.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: topology: Fix usage of SND_SOC_TPLG_INDEX_ALL during load
Liam Girdwood [Thu, 29 Jun 2017 13:22:25 +0000 (14:22 +0100)]
ASoC: topology: Fix usage of SND_SOC_TPLG_INDEX_ALL during load

SND_SOC_TPLG_INDEX_ALL is used by drivers to tell the core to load
all topology component indexes, not just the index in the header.
Fix this so that SND_SOC_TPLG_INDEX_ALL will load all components no matter
their index.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agoASoC: ak4642: make arrays fs_list and ps_list static const
Colin Ian King [Fri, 30 Jun 2017 09:16:36 +0000 (10:16 +0100)]
ASoC: ak4642: make arrays fs_list and ps_list static const

Don't populate the arrays fs_list and ps_list on the stack but make
them static const.  Makes the object code smaller:

Before:
   text    data     bss     dec     hex filename
  12084    4888      64   17036    428c sound/soc/codecs/ak4642.o

After:
   text    data     bss     dec     hex filename
  11883    5032      64   16979    4253 sound/soc/codecs/ak4642.o

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
5 years agox86/boot/KASLR: Fix kexec crash due to 'virt_addr' calculation bug
Baoquan He [Tue, 27 Jun 2017 12:39:06 +0000 (20:39 +0800)]
x86/boot/KASLR: Fix kexec crash due to 'virt_addr' calculation bug

Kernel text KASLR is separated into physical address and virtual
address randomization. And for virtual address randomization, we
only randomiza to get an offset between 16M and KERNEL_IMAGE_SIZE.
So the initial value of 'virt_addr' should be LOAD_PHYSICAL_ADDR,
but not the original kernel loading address 'output'.

The bug will cause kernel boot failure if kernel is loaded at a different
position than the address, 16M, which is decided at compiled time.
Kexec/kdump is such practical case.

To fix it, just assign LOAD_PHYSICAL_ADDR to virt_addr as initial
value.

Tested-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Baoquan He <bhe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: 8391c73 ("x86/KASLR: Randomize virtual address separately")
Link: http://lkml.kernel.org/r/1498567146-11990-3-git-send-email-bhe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
5 years agox86/boot/KASLR: Add checking for the offset of kernel virtual address randomization
Baoquan He [Tue, 27 Jun 2017 12:39:05 +0000 (20:39 +0800)]
x86/boot/KASLR: Add checking for the offset of kernel virtual address randomization

For kernel text KASLR, the virtual address is confined to area of 1G,
[0xffffffff80000000, 0xffffffffc0000000). For the implemenataion of
virtual address randomization, we only randomize to get an offset
between 16M and 1G, then add this offset to the starting address,
0xffffffff80000000. Here 16M is the offset which is decided at linking
stage. So the amount of the local variable 'virt_addr' which respresents
the offset plus the kernel output size can not exceed KERNEL_IMAGE_SIZE.

Add a debug check for the offset. If out of bounds, print error
message and hang there.

Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Baoquan He <bhe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1498567146-11990-2-git-send-email-bhe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
5 years agotracing/kprobes: Allow to create probe with a module name starting with a digit
Sabrina Dubroca [Thu, 22 Jun 2017 09:24:42 +0000 (11:24 +0200)]
tracing/kprobes: Allow to create probe with a module name starting with a digit

Always try to parse an address, since kstrtoul() will safely fail when
given a symbol as input. If that fails (which will be the case for a
symbol), try to parse a symbol instead.

This allows creating a probe such as:

    p:probe/vlan_gro_receive 8021q:vlan_gro_receive+0

Which is necessary for this command to work:

    perf probe -m 8021q -a vlan_gro_receive

Link: http://lkml.kernel.org/r/fd72d666f45b114e2c5b9cf7e27b91de1ec966f1.1498122881.git.sd@queasysnail.net
Cc: stable@vger.kernel.org
Fixes: 413d37d1e ("tracing: Add kprobe-based event tracer")
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
5 years agoMIPS: Avoid accidental raw backtrace
James Hogan [Thu, 29 Jun 2017 14:05:04 +0000 (15:05 +0100)]
MIPS: Avoid accidental raw backtrace

Since commit 81a76d7119f6 ("MIPS: Avoid using unwind_stack() with
usermode") show_backtrace() invokes the raw backtracer when
cp0_status & ST0_KSU indicates user mode to fix issues on EVA kernels
where user and kernel address spaces overlap.

However this is used by show_stack() which creates its own pt_regs on
the stack and leaves cp0_status uninitialised in most of the code paths.
This results in the non deterministic use of the raw back tracer
depending on the previous stack content.

show_stack() deals exclusively with kernel mode stacks anyway, so
explicitly initialise regs.cp0_status to KSU_KERNEL (i.e. 0) to ensure
we get a useful backtrace.

Fixes: 81a76d7119f6 ("MIPS: Avoid using unwind_stack() with usermode")
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: <stable@vger.kernel.org> # 3.15+
Patchwork: https://patchwork.linux-mips.org/patch/16656/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
5 years agoMIPS: Perform post-DMA cache flushes on systems with MAARs
Paul Burton [Tue, 13 Jun 2017 17:01:08 +0000 (10:01 -0700)]
MIPS: Perform post-DMA cache flushes on systems with MAARs

Recent CPUs from Imagination Technologies such as the I6400 or P6600 are
able to speculatively fetch data from memory into caches. This means
that if used in a system with non-coherent DMA they require that caches
be invalidated after a device performs DMA, and before the CPU reads the
DMA'd data, in order to ensure that stale values weren't speculatively
prefetched.

Such CPUs also introduced Memory Accessibility Attribute Registers
(MAARs) in order to control the regions in which they are allowed to
speculate. Thus we can use the presence of MAARs as a good indication
that the CPU requires the above cache maintenance. Use the presence of
MAARs to determine the result of cpu_needs_post_dma_flush() in the
default case, in order to handle these recent CPUs correctly.

Note that the return type of cpu_needs_post_dma_flush() is changed to
bool, such that it's clearer what's happening when cpu_has_maar is cast
to bool for the return value. If this patch were backported to a
pre-v4.7 kernel then MIPS_CPU_MAAR was 1ull<<34, so when cast to an int
we would incorrectly return 0. It so happens that MIPS_CPU_MAAR is
currently 1ull<<30, so when truncated to an int gives a non-zero value
anyway, but even so the implicit conversion from long long int to bool
makes it clearer to understand what will happen than the implicit
conversion from long long int to int would. The bool return type also
fits this usage better semantically, so seems like an all-round win.

Thanks to Ed for spotting the issue for pre-v4.7 kernels & suggesting
the return type change.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Tested-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Cc: Ed Blake <ed.blake@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/16363/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
5 years agoMIPS: Fix IRQ tracing & lockdep when rescheduling
Paul Burton [Fri, 3 Mar 2017 23:26:05 +0000 (15:26 -0800)]
MIPS: Fix IRQ tracing & lockdep when rescheduling

When the scheduler sets TIF_NEED_RESCHED & we call into the scheduler
from arch/mips/kernel/entry.S we disable interrupts. This is true
regardless of whether we reach work_resched from syscall_exit_work,
resume_userspace or by looping after calling schedule(). Although we
disable interrupts in these paths we don't call trace_hardirqs_off()
before calling into C code which may acquire locks, and we therefore
leave lockdep with an inconsistent view of whether interrupts are
disabled or not when CONFIG_PROVE_LOCKING & CONFIG_DEBUG_LOCKDEP are
both enabled.

Without tracing this interrupt state lockdep will print warnings such
as the following once a task returns from a syscall via
syscall_exit_partial with TIF_NEED_RESCHED set:

[   49.927678] ------------[ cut here ]------------
[   49.934445] WARNING: CPU: 0 PID: 1 at kernel/locking/lockdep.c:3687 check_flags.part.41+0x1dc/0x1e8
[   49.946031] DEBUG_LOCKS_WARN_ON(current->hardirqs_enabled)
[   49.946355] CPU: 0 PID: 1 Comm: init Not tainted 4.10.0-00439-gc9fd5d362289-dirty #197
[   49.963505] Stack : 0000000000000000 ffffffff81bb5d6a 0000000000000006 ffffffff801ce9c4
[   49.974431]         0000000000000000 0000000000000000 0000000000000000 000000000000004a
[   49.985300]         ffffffff80b7e487 ffffffff80a24498 a8000000ff160000 ffffffff80ede8b8
[   49.996194]         0000000000000001 0000000000000000 0000000000000000 0000000077c8030c
[   50.007063]         000000007fd8a510 ffffffff801cd45c 0000000000000000 a8000000ff127c88
[   50.017945]         0000000000000000 ffffffff801cf928 0000000000000001 ffffffff80a24498
[   50.028827]         0000000000000000 0000000000000001 0000000000000000 0000000000000000
[   50.039688]         0000000000000000 a8000000ff127bd0 0000000000000000 ffffffff805509bc
[   50.050575]         00000000140084e0 0000000000000000 0000000000000000 0000000000040a00
[   50.061448]         0000000000000000 ffffffff8010e1b0 0000000000000000 ffffffff805509bc
[   50.072327]         ...
[   50.076087] Call Trace:
[   50.079869] [<ffffffff8010e1b0>] show_stack+0x80/0xa8
[   50.086577] [<ffffffff805509bc>] dump_stack+0x10c/0x190
[   50.093498] [<ffffffff8015dde0>] __warn+0xf0/0x108
[   50.099889] [<ffffffff8015de34>] warn_slowpath_fmt+0x3c/0x48
[   50.107241] [<ffffffff801c15b4>] check_flags.part.41+0x1dc/0x1e8
[   50.114961] [<ffffffff801c239c>] lock_is_held_type+0x8c/0xb0
[   50.122291] [<ffffffff809461b8>] __schedule+0x8c0/0x10f8
[   50.129221] [<ffffffff80946a60>] schedule+0x30/0x98
[   50.135659] [<ffffffff80106278>] work_resched+0x8/0x34
[   50.142397] ---[ end trace 0cb4f6ef5b99fe21 ]---
[   50.148405] possible reason: unannotated irqs-off.
[   50.154600] irq event stamp: 400463
[   50.159566] hardirqs last  enabled at (400463): [<ffffffff8094edc8>] _raw_spin_unlock_irqrestore+0x40/0xa8
[   50.171981] hardirqs last disabled at (400462): [<ffffffff8094eb98>] _raw_spin_lock_irqsave+0x30/0xb0
[   50.183897] softirqs last  enabled at (400450): [<ffffffff8016580c>] __do_softirq+0x4ac/0x6a8
[   50.195015] softirqs last disabled at (400425): [<ffffffff80165e78>] irq_exit+0x110/0x128

Fix this by using the TRACE_IRQS_OFF macro to call trace_hardirqs_off()
when CONFIG_TRACE_IRQFLAGS is enabled. This is done before invoking
schedule() following the work_resched label because:

 1) Interrupts are disabled regardless of the path we take to reach
    work_resched() & schedule().

 2) Performing the tracing here avoids the need to do it in paths which
    disable interrupts but don't call out to C code before hitting a
    path which uses the RESTORE_SOME macro that will call
    trace_hardirqs_on() or trace_hardirqs_off() as appropriate.

We call trace_hardirqs_on() using the TRACE_IRQS_ON macro before calling
syscall_trace_leave() for similar reasons, ensuring that lockdep has a
consistent view of state after we re-enable interrupts.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: linux-mips@linux-mips.org
Cc: stable <stable@vger.kernel.org>
Patchwork: https://patchwork.linux-mips.org/patch/15385/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
5 years agoMIPS: pm-cps: Drop manual cache-line alignment of ready_count
Paul Burton [Thu, 2 Mar 2017 22:02:40 +0000 (14:02 -0800)]
MIPS: pm-cps: Drop manual cache-line alignment of ready_count

We allocate memory for a ready_count variable per-CPU, which is accessed
via a cached non-coherent TLB mapping to perform synchronisation between
threads within the core using LL/SC instructions. In order to ensure
that the variable is contained within its own data cache line we
allocate 2 lines worth of memory & align the resulting pointer to a line
boundary. This is however unnecessary, since kmalloc is guaranteed to
return memory which is at least cache-line aligned (see
ARCH_DMA_MINALIGN). Stop the redundant manual alignment.

Besides cleaning up the code & avoiding needless work, this has the side
effect of avoiding an arithmetic error found by Bryan on 64 bit systems
due to the 32 bit size of the former dlinesz. This led the ready_count
variable to have its upper 32b cleared erroneously for MIPS64 kernels,
causing problems when ready_count was later used on MIPS64 via cpuidle.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Fixes: 3179d37ee1ed ("MIPS: pm-cps: add PM state entry code for CPS systems")
Reported-by: Bryan O'Donoghue <bryan.odonoghue@imgtec.com>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@imgtec.com>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: stable <stable@vger.kernel.org> # v3.16+
Patchwork: https://patchwork.linux-mips.org/patch/15383/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
5 years agoARM: 8685/1: ensure memblock-limit is pmd-aligned
Doug Berger [Thu, 29 Jun 2017 17:41:36 +0000 (18:41 +0100)]
ARM: 8685/1: ensure memblock-limit is pmd-aligned

The pmd containing memblock_limit is cleared by prepare_page_table()
which creates the opportunity for early_alloc() to allocate unmapped
memory if memblock_limit is not pmd aligned causing a boot-time hang.

Commit 965278dcb8ab ("ARM: 8356/1: mm: handle non-pmd-aligned end of RAM")
attempted to resolve this problem, but there is a path through the
adjust_lowmem_bounds() routine where if all memory regions start and
end on pmd-aligned addresses the memblock_limit will be set to
arm_lowmem_limit.

Since arm_lowmem_limit can be affected by the vmalloc early parameter,
the value of arm_lowmem_limit may not be pmd-aligned. This commit
corrects this oversight such that memblock_limit is always rounded
down to pmd-alignment.

Fixes: 965278dcb8ab ("ARM: 8356/1: mm: handle non-pmd-aligned end of RAM")
Signed-off-by: Doug Berger <opendmb@gmail.com>
Suggested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
5 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Thu, 29 Jun 2017 21:30:07 +0000 (14:30 -0700)]
Merge git://git./linux/kernel/git/davem/net

Pull networking fixes from David Miller:

 1) Need to access netdev->num_rx_queues behind an accessor in netvsc
    driver otherwise the build breaks with some configs, from Arnd
    Bergmann.

 2) Add dummy xfrm_dev_event() so that build doesn't fail when
    CONFIG_XFRM_OFFLOAD is not set. From Hangbin Liu.

 3) Don't OOPS when pfkey_msg2xfrm_state() signals an erros, from Dan
    Carpenter.

 4) Fix MCDI command size for filter operations in sfc driver, from
    Martin Habets.

 5) Fix UFO segmenting so that we don't calculate incorrect checksums,
    from Michal Kubecek.

 6) When ipv6 datagram connects fail, reset destination address and
    port. From Wei Wang.

 7) TCP disconnect must reset the cached receive DST, from WANG Cong.

 8) Fix sign extension bug on 32-bit in dev_get_stats(), from Eric
    Dumazet.

 9) fman driver has to depend on HAS_DMA, from Madalin Bucur.

10) Fix bpf pointer leak with xadd in verifier, from Daniel Borkmann.

11) Fix negative page counts with GFO, from Michal Kubecek.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (41 commits)
  sfc: fix attempt to translate invalid filter ID
  net: handle NAPI_GRO_FREE_STOLEN_HEAD case also in napi_frags_finish()
  bpf: prevent leaking pointer via xadd on unpriviledged
  arcnet: com20020-pci: add missing pdev setup in netdev structure
  arcnet: com20020-pci: fix dev_id calculation
  arcnet: com20020: remove needless base_addr assignment
  Trivial fix to spelling mistake in arc_printk message
  arcnet: change irq handler to lock irqsave
  rocker: move dereference before free
  mlxsw: spectrum_router: Fix NULL pointer dereference
  net: sched: Fix one possible panic when no destroy callback
  virtio-net: serialize tx routine during reset
  net: usb: asix88179_178a: Add support for the Belkin B2B128
  fsl/fman: add dependency on HAS_DMA
  net: prevent sign extension in dev_get_stats()
  tcp: reset sk_rx_dst in tcp_disconnect()
  net: ipv6: reset daddr and dport in sk if connect() fails
  bnx2x: Don't log mc removal needlessly
  bnxt_en: Fix netpoll handling.
  bnxt_en: Add missing logic to handle TPA end error conditions.
  ...

5 years agoMerge tag 'for-4.12/dm-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 29 Jun 2017 21:23:02 +0000 (14:23 -0700)]
Merge tag 'for-4.12/dm-fixes-5' of git://git./linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - dm thinp fix for crash that will occur when metadata device failure
   races with discard passdown to the underlying data device.

 - dm raid fix to not access the superblock's >= 1.9.0 'sectors' member
   unconditionally.

* tag 'for-4.12/dm-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm thin: do not queue freed thin mapping for next stage processing
  dm raid: fix oops on upgrading to extended superblock format

5 years agoMerge branch 'for-linus' of git://git.kernel.dk/linux-block
Linus Torvalds [Thu, 29 Jun 2017 21:10:37 +0000 (14:10 -0700)]
Merge branch 'for-linus' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "Two fixes that should go into this release.

  One is an nvme regression fix from Keith, fixing a missing queue
  freeze if the controller is being reset. This causes the reset to
  hang.

  The other is a fix for a leak of the bio protection info, if smaller
  sized O_DIRECT is used. This fix should be more involved as we have
  other problematic paths in the kernel, but given as this isn't a
  regression in this series, we'll tackle those for 4.13"

* 'for-linus' of git://git.kernel.dk/linux-block:
  block: provide bio_uninit() free freeing integrity/task associations
  nvme/pci: Fix stuck nvme reset

5 years agosfc: fix attempt to translate invalid filter ID
Edward Cree [Thu, 29 Jun 2017 15:50:06 +0000 (16:50 +0100)]
sfc: fix attempt to translate invalid filter ID

When filter insertion fails with no rollback, we were trying to convert
 EFX_EF10_FILTER_ID_INVALID to an id to store in 'ids' (which is either
 vlan->uc or vlan->mc).  This would WARN_ON_ONCE and then record a bogus
 filter ID of 0x1fff, neither of which is a good thing.

Fixes: 0ccb998bf46d ("sfc: fix filter_id misinterpretation in edge case")
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agonet: handle NAPI_GRO_FREE_STOLEN_HEAD case also in napi_frags_finish()
Michal Kubeček [Thu, 29 Jun 2017 09:13:36 +0000 (11:13 +0200)]
net: handle NAPI_GRO_FREE_STOLEN_HEAD case also in napi_frags_finish()

Recently I started seeing warnings about pages with refcount -1. The
problem was traced to packets being reused after their head was merged into
a GRO packet by skb_gro_receive(). While bisecting the issue pointed to
commit c21b48cc1bbf ("net: adjust skb->truesize in ___pskb_trim()") and
I have never seen it on a kernel with it reverted, I believe the real
problem appeared earlier when the option to merge head frag in GRO was
implemented.

Handling NAPI_GRO_FREE_STOLEN_HEAD state was only added to GRO_MERGED_FREE
branch of napi_skb_finish() so that if the driver uses napi_gro_frags()
and head is merged (which in my case happens after the skb_condense()
call added by the commit mentioned above), the skb is reused including the
head that has been merged. As a result, we release the page reference
twice and eventually end up with negative page refcount.

To fix the problem, handle NAPI_GRO_FREE_STOLEN_HEAD in napi_frags_finish()
the same way it's done in napi_skb_finish().

Fixes: d7e8883cfcf4 ("net: make GRO aware of skb->head_frag")
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agobpf: prevent leaking pointer via xadd on unpriviledged
Daniel Borkmann [Thu, 29 Jun 2017 01:04:59 +0000 (03:04 +0200)]
bpf: prevent leaking pointer via xadd on unpriviledged

Leaking kernel addresses on unpriviledged is generally disallowed,
for example, verifier rejects the following:

  0: (b7) r0 = 0
  1: (18) r2 = 0xffff897e82304400
  3: (7b) *(u64 *)(r1 +48) = r2
  R2 leaks addr into ctx

Doing pointer arithmetic on them is also forbidden, so that they
don't turn into unknown value and then get leaked out. However,
there's xadd as a special case, where we don't check the src reg
for being a pointer register, e.g. the following will pass:

  0: (b7) r0 = 0
  1: (7b) *(u64 *)(r1 +48) = r0
  2: (18) r2 = 0xffff897e82304400 ; map
  4: (db) lock *(u64 *)(r1 +48) += r2
  5: (95) exit

We could store the pointer into skb->cb, loose the type context,
and then read it out from there again to leak it eventually out
of a map value. Or more easily in a different variant, too:

   0: (bf) r6 = r1
   1: (7a) *(u64 *)(r10 -8) = 0
   2: (bf) r2 = r10
   3: (07) r2 += -8
   4: (18) r1 = 0x0
   6: (85) call bpf_map_lookup_elem#1
   7: (15) if r0 == 0x0 goto pc+3
   R0=map_value(ks=8,vs=8,id=0),min_value=0,max_value=0 R6=ctx R10=fp
   8: (b7) r3 = 0
   9: (7b) *(u64 *)(r0 +0) = r3
  10: (db) lock *(u64 *)(r0 +0) += r6
  11: (b7) r0 = 0
  12: (95) exit

  from 7 to 11: R0=inv,min_value=0,max_value=0 R6=ctx R10=fp
  11: (b7) r0 = 0
  12: (95) exit

Prevent this by checking xadd src reg for pointer types. Also
add a couple of test cases related to this.

Fixes: 1be7f75d1668 ("bpf: enable non-root eBPF programs")
Fixes: 17a5267067f3 ("bpf: verifier (add verifier core)")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoperf/x86/intel/uncore: Fix wrong box pointer check
Kan Liang [Thu, 29 Jun 2017 19:09:26 +0000 (12:09 -0700)]
perf/x86/intel/uncore: Fix wrong box pointer check

Should not init a NULL box. It will cause system crash.
The issue looks like caused by a typo.

This was not noticed because there is no NULL box. Also, for most
boxes, they are enabled by default. The init code is not critical.

Fixes: fff4b87e594a ("perf/x86/intel/uncore: Make package handling more robust")
Signed-off-by: Kan Liang <kan.liang@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20170629190926.2456-1-kan.liang@intel.com
5 years agoMerge branch 'arcnet-fixes'
David S. Miller [Thu, 29 Jun 2017 19:18:38 +0000 (15:18 -0400)]
Merge branch 'arcnet-fixes'

Michael Grzeschik says:

====================
arcnet: Collection of latest fixes

Here we sum up the recent fixes I collected on the way to use and
stabilise the framework. Part of it is an possible deadlock that we
prevent as well to fix the calculation of the dev_id that can be setup
by an rotary encoder. Beside that we added an trivial spelling patch and
fix some wrong and missing assignments that improves the code footprint.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoarcnet: com20020-pci: add missing pdev setup in netdev structure
Michael Grzeschik [Wed, 28 Jun 2017 16:28:37 +0000 (18:28 +0200)]
arcnet: com20020-pci: add missing pdev setup in netdev structure

We add the pdev data to the pci devices netdev structure. This way
the interface get consistent device names in the userspace (udev).

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoarcnet: com20020-pci: fix dev_id calculation
Michael Grzeschik [Wed, 28 Jun 2017 16:28:36 +0000 (18:28 +0200)]
arcnet: com20020-pci: fix dev_id calculation

The dev_id was miscalculated. Only the two bits 4-5 are relevant for the
MA1 card. PCIARC1 and PCIFB2 use the four bits 4-7 for id selection.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoarcnet: com20020: remove needless base_addr assignment
Michael Grzeschik [Wed, 28 Jun 2017 16:28:35 +0000 (18:28 +0200)]
arcnet: com20020: remove needless base_addr assignment

The assignment is superfluous.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoTrivial fix to spelling mistake in arc_printk message
Colin Ian King [Wed, 28 Jun 2017 16:28:34 +0000 (18:28 +0200)]
Trivial fix to spelling mistake in arc_printk message

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
5 years agoarcnet: change irq handler to lock irqsave
Michael Grzeschik [Wed, 28 Jun 2017 16:28:33 +0000 (18:28 +0200)]
arcnet: change irq handler to lock irqsave

This patch prevents the arcnet driver from the following deadlock.

[   41.273910] ======================================================
[   41.280397] [ INFO: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected ]
[   41.287433] 4.4.0-00034-gc0ae784 #536 Not tainted
[   41.292366] ------------------------------------------------------
[   41.298863] arcecho/233 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire:
[   41.305628]  (&(&lp->lock)->rlock){+.+...}, at: [<bf083bc8>] arcnet_send_packet+0x60/0x1c0 [arcnet]
[   41.315199]
[   41.315199] and this task is already holding:
[   41.321324]  (_xmit_ARCNET#2){+.-...}, at: [<c06b934c>] packet_direct_xmit+0xfc/0x1c8
[   41.329593] which would create a new lock dependency:
[   41.334893]  (_xmit_ARCNET#2){+.-...} -> (&(&lp->lock)->rlock){+.+...}
[   41.341801]
[   41.341801] but this new dependency connects a SOFTIRQ-irq-safe lock:
[   41.350108]  (_xmit_ARCNET#2){+.-...}
... which became SOFTIRQ-irq-safe at:
[   41.357539]   [<c06f8fc8>] _raw_spin_lock+0x30/0x40
[   41.362677]   [<c063ab8c>] dev_watchdog+0x5c/0x264
[   41.367723]   [<c0094edc>] call_timer_fn+0x6c/0xf4
[   41.372759]   [<c00950b8>] run_timer_softirq+0x154/0x210
[   41.378340]   [<c0036b30>] __do_softirq+0x144/0x298
[   41.383469]   [<c0036fb4>] irq_exit+0xcc/0x130
[   41.388138]   [<c0085c50>] __handle_domain_irq+0x60/0xb4
[   41.393728]   [<c0014578>] __irq_svc+0x58/0x78
[   41.398402]   [<c0010274>] arch_cpu_idle+0x24/0x3c
[   41.403443]   [<c007127c>] cpu_startup_entry+0x1f8/0x25c
[   41.409029]   [<c09adc90>] start_kernel+0x3c0/0x3cc
[   41.414170]
[   41.414170] to a SOFTIRQ-irq-unsafe lock:
[   41.419931]  (&(&lp->lock)->rlock){+.+...}
... which became SOFTIRQ-irq-unsafe at:
[   41.427996] ...  [<c06f8fc8>] _raw_spin_lock+0x30/0x40
[   41.433409]   [<bf083d54>] arcnet_interrupt+0x2c/0x800 [arcnet]
[   41.439646]   [<c0089120>] handle_nested_irq+0x8c/0xec
[   41.445063]   [<c03c1170>] regmap_irq_thread+0x190/0x314
[   41.450661]   [<c0087244>] irq_thread_fn+0x1c/0x34
[   41.455700]   [<c0087548>] irq_thread+0x13c/0x1dc
[   41.460649]   [<c0050f10>] kthread+0xe4/0xf8
[   41.465158]   [<c000f810>] ret_from_fork+0x14/0x24
[   41.470207]
[   41.470207] other info that might help us debug this:
[   41.470207]
[   41.478627]  Possible interrupt unsafe locking scenario:
[   41.478627]
[   41.485763]        CPU0                    CPU1
[   41.490521]        ----                    ----
[   41.495279]   lock(&(&lp->lock)->rlock);
[   41.499414]                                local_irq_disable();
[   41.505636]                                lock(_xmit_ARCNET#2);
[   41.511967]                                lock(&(&lp->lock)->rlock);
[   41.518741]   <Interrupt>
[   41.521490]     lock(_xmit_ARCNET#2);
[   41.525356]
[   41.525356]  *** DEADLOCK ***
[   41.525356]
[   41.531587] 1 lock held by arcecho/233:
[   41.535617]  #0:  (_xmit_ARCNET#2){+.-...}, at: [<c06b934c>] packet_direct_xmit+0xfc/0x1c8
[   41.544355]
the dependencies between SOFTIRQ-irq-safe lock and the holding lock:
[   41.552362] -> (_xmit_ARCNET#2){+.-...} ops: 27 {
[   41.557357]    HARDIRQ-ON-W at:
[   41.560664]                     [<c06f8fc8>] _raw_spin_lock+0x30/0x40
[   41.567445]                     [<c063ba28>] dev_deactivate_many+0x114/0x304
[   41.574866]                     [<c063bc3c>] dev_deactivate+0x24/0x38
[   41.581646]                     [<c0630374>] linkwatch_do_dev+0x40/0x74
[   41.588613]                     [<c06305d8>] __linkwatch_run_queue+0xec/0x140
[   41.596120]                     [<c0630658>] linkwatch_event+0x2c/0x34
[   41.602991]                     [<c004af30>] process_one_work+0x188/0x40c
[   41.610131]                     [<c004b200>] worker_thread+0x4c/0x480
[   41.616912]                     [<c0050f10>] kthread+0xe4/0xf8
[   41.623048]                     [<c000f810>] ret_from_fork+0x14/0x24
[   41.629735]    IN-SOFTIRQ-W at:
[   41.633039]                     [<c06f8fc8>] _raw_spin_lock+0x30/0x40
[   41.639820]                     [<c063ab8c>] dev_watchdog+0x5c/0x264
[   41.646508]                     [<c0094edc>] call_timer_fn+0x6c/0xf4
[   41.653190]                     [<c00950b8>] run_timer_softirq+0x154/0x210
[   41.660425]                     [<c0036b30>] __do_softirq+0x144/0x298
[   41.667201]                     [<c0036fb4>] irq_exit+0xcc/0x130
[   41.673518]                     [<c0085c50>] __handle_domain_irq+0x60/0xb4
[   41.680754]                     [<c0014578>] __irq_svc+0x58/0x78
[   41.687077]                     [<c0010274>] arch_cpu_idle+0x24/0x3c
[   41.693769]                     [<c007127c>] cpu_startup_entry+0x1f8/0x25c
[   41.701006]                     [<c09adc90>] start_kernel+0x3c0/0x3cc
[   41.707791]    INITIAL USE at:
[   41.711003]                    [<c06f8fc8>] _raw_spin_lock+0x30/0x40
[   41.717696]                    [<c063ba28>] dev_deactivate_many+0x114/0x304
[   41.725026]                    [<c063bc3c>] dev_deactivate+0x24/0x38
[   41.731718]                    [<c0630374>] linkwatch_do_dev+0x40/0x74
[   41.738593]                    [<c06305d8>] __linkwatch_run_queue+0xec/0x140
[   41.746011]                    [<c0630658>] linkwatch_event+0x2c/0x34
[   41.752789]                    [<c004af30>] process_one_work+0x188/0x40c
[   41.759847]                    [<c004b200>] worker_thread+0x4c/0x480
[   41.766541]                    [<c0050f10>] kthread+0xe4/0xf8
[   41.772596]                    [<c000f810>] ret_from_fork+0x14/0x24
[   41.779198]  }
[   41.780945]  ... key      at: [<c124d620>] netdev_xmit_lock_key+0x38/0x1c8
[   41.788192]  ... acquired at:
[   41.791309]    [<c007bed8>] lock_acquire+0x70/0x90
[   41.796361]    [<c06f9140>] _raw_spin_lock_irqsave+0x40/0x54
[   41.802324]    [<bf083bc8>] arcnet_send_packet+0x60/0x1c0 [arcnet]
[   41.808844]    [<c06b9380>] packet_direct_xmit+0x130/0x1c8
[   41.814622]    [<c06bc7e4>] packet_sendmsg+0x3b8/0x680
[   41.820034]    [<c05fe8b0>] sock_sendmsg+0x14/0x24
[   41.825091]    [<c05ffd68>] SyS_sendto+0xb8/0xe0
[   41.829956]    [<c05ffda8>] SyS_send+0x18/0x20
[   41.834638]    [<c000f780>] ret_fast_syscall+0x0/0x1c
[   41.839954]
[   41.841514]
the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock:
[   41.850302] -> (&(&lp->lock)->rlock){+.+...} ops: 5 {
[   41.855644]    HARDIRQ-ON-W at:
[   41.858945]                     [<c06f8fc8>] _raw_spin_lock+0x30/0x40
[   41.865726]                     [<bf083d54>] arcnet_interrupt+0x2c/0x800 [arcnet]
[   41.873607]                     [<c0089120>] handle_nested_irq+0x8c/0xec
[   41.880666]                     [<c03c1170>] regmap_irq_thread+0x190/0x314
[   41.887901]                     [<c0087244>] irq_thread_fn+0x1c/0x34
[   41.894593]                     [<c0087548>] irq_thread+0x13c/0x1dc
[   41.901195]                     [<c0050f10>] kthread+0xe4/0xf8
[   41.907338]                     [<c000f810>] ret_from_fork+0x14/0x24
[   41.914025]    SOFTIRQ-ON-W at:
[   41.917328]                     [<c06f8fc8>] _raw_spin_lock+0x30/0x40
[   41.924106]                     [<bf083d54>] arcnet_interrupt+0x2c/0x800 [arcnet]
[   41.931981]                     [<c0089120>] handle_nested_irq+0x8c/0xec
[   41.939028]                     [<c03c1170>] regmap_irq_thread+0x190/0x314
[   41.946264]                     [<c0087244>] irq_thread_fn+0x1c/0x34
[   41.952954]                     [<c0087548>] irq_thread+0x13c/0x1dc
[   41.959548]                     [<c0050f10>] kthread+0xe4/0xf8
[   41.965689]                     [<c000f810>] ret_from_fork+0x14/0x24
[   41.972379]    INITIAL USE at:
[   41.975595]                    [<c06f8fc8>] _raw_spin_lock+0x30/0x40
[   41.982283]                    [<bf083d54>] arcnet_interrupt+0x2c/0x800 [arcnet]
[   41.990063]                    [<c0089120>] handle_nested_irq+0x8c/0xec
[   41.997027]                    [<c03c1170>] regmap_irq_thread+0x190/0x314
[   42.004172]                    [<c0087244>] irq_thread_fn+0x1c/0x34
[   42.010766]                    [<c0087548>] irq_thread+0x13c/0x1dc
[   42.017267]                    [<c0050f10>] kthread+0xe4/0xf8
[   42.023314]                    [<c000f810>] ret_from_fork+0x14/0x24
[   42.029903]  }
[   42.031648]  ... key      at: [<bf0854cc>] __key.42091+0x0/0xfffff0f8 [arcnet]
[   42.039255]  ... acquired at:
[   42.042372]    [<c007bed8>] lock_acquire+0x70/0x90
[   42.047413]    [<c06f9140>] _raw_spin_lock_irqsave+0x40/0x54
[   42.053364]    [<bf083bc8>] arcnet_send_packet+0x60/0x1c0 [arcnet]
[   42.059872]    [<c06b9380>] packet_direct_xmit+0x130/0x1c8
[   42.065634]    [<c06bc7e4>] packet_sendmsg+0x3b8/0x680
[   42.071030]    [<c05fe8b0>] sock_sendmsg+0x14/0x24
[   42.076069]    [<c05ffd68>] SyS_sendto+0xb8/0xe0
[   42.080926]    [<c05ffda8>] SyS_send+0x18/0x20
[   42.085601]    [<c000f780>] ret_fast_syscall+0x0/0x1c
[   42.090918]
[   42.092481]
[   42.092481] stack backtrace:
[   42.097065] CPU: 0 PID: 233 Comm: arcecho Not tainted 4.4.0-00034-gc0ae784 #536
[   42.104751] Hardware name: Generic AM33XX (Flattened Device Tree)
[   42.111183] [<c0017ec8>] (unwind_backtrace) from [<c00139d0>] (show_stack+0x10/0x14)
[   42.119337] [<c00139d0>] (show_stack) from [<c02a82c4>] (dump_stack+0x8c/0x9c)
[   42.126937] [<c02a82c4>] (dump_stack) from [<c0078260>] (check_usage+0x4bc/0x63c)
[   42.134815] [<c0078260>] (check_usage) from [<c0078438>] (check_irq_usage+0x58/0xb0)
[   42.142964] [<c0078438>] (check_irq_usage) from [<c007aaa0>] (__lock_acquire+0x1524/0x20b0)
[   42.151740] [<c007aaa0>] (__lock_acquire) from [<c007bed8>] (lock_acquire+0x70/0x90)
[   42.159886] [<c007bed8>] (lock_acquire) from [<c06f9140>] (_raw_spin_lock_irqsave+0x40/0x54)
[   42.168768] [<c06f9140>] (_raw_spin_lock_irqsave) from [<bf083bc8>] (arcnet_send_packet+0x60/0x1c0 [arcnet])
[   42.179115] [<bf083bc8>] (arcnet_send_packet [arcnet]) from [<c06b9380>] (packet_direct_xmit+0x130/0x1c8)
[   42.189182] [<c06b9380>] (packet_direct_xmit) from [<c06bc7e4>] (packet_sendmsg+0x3b8/0x680)
[   42.198059] [<c06bc7e4>] (packet_sendmsg) from [<c05fe8b0>] (sock_sendmsg+0x14/0x24)
[   42.206199] [<c05fe8b0>] (sock_sendmsg) from [<c05ffd68>] (SyS_sendto+0xb8/0xe0)
[   42.213978] [<c05ffd68>] (SyS_sendto) from [<c05ffda8>] (SyS_send+0x18/0x20)
[   42.221388] [<c05ffda8>] (SyS_send) from [<c000f780>] (ret_fast_syscall+0x0/0x1c)

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
   ---
   v1 -> v2: removed unneeded zero assignment of flags
Signed-off-by: David S. Miller <davem@davemloft.net>