Commit graph

982,081 commits

Author SHA1 Message Date
Xin Long
bde1b56f89 udp: initialize is_flist with 0 in udp_gro_receive
Without NAPI_GRO_CB(skb)->is_flist initialized, when the dev doesn't
support NETIF_F_GRO_FRAGLIST, is_flist can still be set and fraglist
will be used in udp_gro_receive().

So fix it by initializing is_flist with 0 in udp_gro_receive.

Fixes: 9fd1ff5d2a ("udp: Support UDP fraglist GRO/GSO.")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30 10:35:03 -07:00
David S. Miller
07c9f74a89 Merge branch 'crypto-chelsio-Fixes-issues-during-chcr-driver-registration'
Ayush Sawal says:

====================
crypto: chelsio: Fixes issues during chcr driver registration

Patch 1: Avoid the accessing of wrong u_ctx pointer.
Patch 2: Fixes a deadlock between rtnl_lock and uld_mutex.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30 10:33:23 -07:00
Ayush Sawal
876aa9f527 Crypto: chelsio - Fixes a deadlock between rtnl_lock and uld_mutex
The locks are taken in this order during driver registration
(uld_mutex), at: cxgb4_register_uld.part.14+0x49/0xd60 [cxgb4]
(rtnl_mutex), at: rtnetlink_rcv_msg+0x2db/0x400
(uld_mutex), at: cxgb_up+0x3a/0x7b0 [cxgb4]
(rtnl_mutex), at: chcr_add_xfrmops+0x83/0xa0 [chcr](stucked here)

To avoid this now the netdev features are updated after the
cxgb4_register_uld function is completed.

Fixes: 6dad4e8ab3 ("chcr: Add support for Inline IPSec").

Signed-off-by: Ayush Sawal <ayush.sawal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30 10:33:23 -07:00
Ayush Sawal
ad59ddd02d Crypto: chelsio - Fixes a hang issue during driver registration
This issue occurs only when multiadapters are present. Hang
happens because assign_chcr_device returns u_ctx pointer of
adapter which is not yet initialized as for this adapter cxgb_up
is not been called yet.

The last_dev pointer is used to determine u_ctx pointer and it
is initialized two times in chcr_uld_add in chcr_dev_add respectively.

The fix here is don't initialize the last_dev pointer during
chcr_uld_add. Only assign to value to it when the adapter's
initialization is completed i.e in chcr_dev_add.

Fixes: fef4912b66 ("crypto: chelsio - Handle PCI shutdown event").

Signed-off-by: Ayush Sawal <ayush.sawal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30 10:33:23 -07:00
Matthieu Baerts
3aeaaa59fd selftests:mptcp: fix failure due to whitespace damage
'pm_nl_ctl' was adding a trailing whitespace after having printed the
IP. But at the end, the IP element is currently always the last one.

The bash script launching 'pm_nl_ctl' had trailing whitespaces in the
expected result on purpose. But these whitespaces have been removed when
the patch has been applied upstream. To avoid trailing whitespaces in
the bash code, 'pm_nl_ctl' and expected results have now been adapted.

The MPTCP PM selftest can now pass again.

Fixes: eedbc68532 (selftests: add PM netlink functional tests)
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30 10:25:34 -07:00
Mark Brown
7f95581187
Merge series "ASoC: Intel: boards: Remove ignore_suspend flag from SSP0 dai link" from Cezary Rojewski <cezary.rojewski@intel.com>:
As of commit:
ASoC: soc-core: care .ignore_suspend for Component suspend

function soc-core::snd_soc_suspend no longer ignores 'ignore_suspend'
flag for dai links. While BE dai link for System Pin is
supposed to follow standard suspend-resume flow, appended
'ignore_suspend' flag disturbs that flow and causes audio to break
right after resume. Remove the flag to address this.

Link to first message in conversation:
https://lkml.org/lkml/2020/3/18/54

Cezary Rojewski (4):
  ASoC: Intel: broadwell: Remove ignore_suspend flag from SSP0 dai link
  ASoC: Intel: haswell: Remove ignore_suspend flag from SSP0 dai link
  ASoC: Intel: bdw-rt5677: Remove ignore_suspend flag from SSP0 dai link
  ASoC: Intel: bdw-rt5650: Remove ignore_suspend flag from SSP0 dai link

 sound/soc/intel/boards/bdw-rt5650.c | 1 -
 sound/soc/intel/boards/bdw-rt5677.c | 1 -
 sound/soc/intel/boards/broadwell.c  | 1 -
 sound/soc/intel/boards/haswell.c    | 1 -
 4 files changed, 4 deletions(-)

--
2.17.1
2020-03-30 18:22:38 +01:00
Pierre-Louis Bossart
1ba616bd1a
ASoC: soc-dai: fix DAI startup/shutdown sequence
The addition of a single flag to track the DAI status prevents the DAI
startup sequence from being called on capture if the DAI is already
used for playback.

Fix by extending the existing code with one flag per direction.

Fixes: b56be800f1 ("ASoC: soc-pcm: call snd_soc_dai_startup()/shutdown() once")
Reported-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Tested-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/20200330160602.10180-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-30 18:22:37 +01:00
이경택
0ab070917a
ASoC: fix regwmask
If regwshift is 32 and the selected architecture compiles '<<' operator
for signed int literal into rotating shift, '1<<regwshift' became 1 and
it makes regwmask to 0x0.
The literal is set to unsigned long to get intended regwmask.

Signed-off-by: Gyeongtaek Lee <gt82.lee@samsung.com>
Link: https://lore.kernel.org/r/001001d60665$db7af3e0$9270dba0$@samsung.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-30 18:22:36 +01:00
Chris Wilson
d7d50f801d drm/i915/perf: Schedule oa_config after modifying the contexts
We wish that the scheduler emit the context modification commands prior
to enabling the oa_config, for which we must explicitly inform it of the
ordering constraints. This is especially important as we now wait for
the final oa_config setup to be completed and as this wait may be on a
distinct context to the state modifications, we need that command packet
to be always last in the queue.

We borrow the i915_active for its ability to track multiple timelines
and the last dma_fence on each; a flexible dma_resv. Keeping track of
each dma_fence is important for us so that we can efficiently schedule
the requests and reprioritise as required.

Reported-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200327112212.16046-3-chris@chris-wilson.co.uk
2020-03-30 18:20:34 +01:00
Chris Wilson
229007e02d drm/i915: Wrap i915_active in a simple kreffed struct
For conveniences of callers that just want to use an i915_active to
track a wide array of concurrent timelines, wrap the base i915_active
struct inside a kref. This i915_active will self-destruct after use.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200327112212.16046-2-chris@chris-wilson.co.uk
2020-03-30 18:20:34 +01:00
Chris Wilson
d75a92a814 drm/i915: Allow for different modes of interruptible i915_active_wait
Allow some users the discretion to not immediately return on a normal
signal. Hopefully, they will opt to use TASK_KILLABLE instead.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200327112212.16046-1-chris@chris-wilson.co.uk
2020-03-30 18:20:33 +01:00
Colin Ian King
76dcbd2370 net: ethernet: ti: fix spelling mistake "rundom" -> "random"
There is a spelling mistake in a dev_err error message. Fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30 10:18:52 -07:00
David S. Miller
aba6d497c8 mlx5-updates-2020-03-29
1) mlx5 core level updates for mkey APIs + migrate some code to mlx5_ib
 
 2) Use a separate work queue for fib event handling
 
 3) Move new eswitch chains files to a new directory, to prepare for
 upcoming E-Switch and offloads features.
 
 4) Support indr block setup (TC_SETUP_FT) in Flow Table mode.
 
 --
 -----BEGIN PGP SIGNATURE-----
 
 iQEzBAABCAAdFiEEGhZs6bAKwk/OTgTpSD+KveBX+j4FAl6BlNUACgkQSD+KveBX
 +j4LMAf/QszF52vJ0CmJQCuuaor2W1SGhluT183uU8Eac9GIq0XXHwD81O3FC01+
 qk1NaVcULqt9eGwZq5WOQIF+pw1gcnlZlg/UCaQBWWkCmdTbrJIwRTou9VwYR+hi
 i9QB3/WKhpm9c/u/7MI6YZkQmjTLNDxYyF6/dqT3TyrRxwDRejeRtsUDdQTwswBV
 p2Jw3nyLbviAr2g7MAF/CvVtjsl7rDUuJkdWvgvCIgsJzLMtIuduuTf7Q3dsvKUe
 GZNWhp+9lKJajdHbQaKjOK5XODoQAbRdPeMV6umV3lWmgRU7Bc4s8/jxChX5NnX9
 yieLnsqwqw1aJbh35yMtuVRtVsp+HA==
 =ZhTN
 -----END PGP SIGNATURE-----

Merge tag 'mlx5-updates-2020-03-29' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux

Saeed Mahameed says:

====================
mlx5-updates-2020-03-29

1) mlx5 core level updates for mkey APIs + migrate some code to mlx5_ib

2) Use a separate work queue for fib event handling

3) Move new eswitch chains files to a new directory, to prepare for
upcoming E-Switch and offloads features.

4) Support indr block setup (TC_SETUP_FT) in Flow Table mode.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30 10:14:36 -07:00
Cezary Rojewski
793012c6c5
ASoC: Intel: bdw-rt5650: Remove ignore_suspend flag from SSP0 dai link
As of commit:
ASoC: soc-core: care .ignore_suspend for Component suspend

function soc-core::snd_soc_suspend no longer ignores 'ignore_suspend'
flag for dai links. While BE dai link for System Pin is
supposed to follow standard suspend-resume flow, appended
'ignore_suspend' flag disturbs that flow and causes audio to break
right after resume. Remove the flag to address this.

Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20200319204947.18963-5-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-30 18:03:09 +01:00
Cezary Rojewski
b0ada40cb8
ASoC: Intel: bdw-rt5677: Remove ignore_suspend flag from SSP0 dai link
As of commit:
ASoC: soc-core: care .ignore_suspend for Component suspend

function soc-core::snd_soc_suspend no longer ignores 'ignore_suspend'
flag for dai links. While BE dai link for System Pin is
supposed to follow standard suspend-resume flow, appended
'ignore_suspend' flag disturbs that flow and causes audio to break
right after resume. Remove the flag to address this.

Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20200319204947.18963-4-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-30 18:03:08 +01:00
Cezary Rojewski
a99661531e
ASoC: Intel: haswell: Remove ignore_suspend flag from SSP0 dai link
As of commit:
ASoC: soc-core: care .ignore_suspend for Component suspend

function soc-core::snd_soc_suspend no longer ignores 'ignore_suspend'
flag for dai links. While BE dai link for System Pin is
supposed to follow standard suspend-resume flow, appended
'ignore_suspend' flag disturbs that flow and causes audio to break
right after resume. Remove the flag to address this.

Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20200319204947.18963-3-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-30 18:03:07 +01:00
Cezary Rojewski
ec14b65ab6
ASoC: Intel: broadwell: Remove ignore_suspend flag from SSP0 dai link
As of commit:
ASoC: soc-core: care .ignore_suspend for Component suspend

function soc-core::snd_soc_suspend no longer ignores 'ignore_suspend'
flag for dai links. While BE dai link for System Pin is
supposed to follow standard suspend-resume flow, appended
'ignore_suspend' flag disturbs that flow and causes audio to break
right after resume. Remove the flag to address this.

Link to first message in conversation:
https://lkml.org/lkml/2020/3/18/54

Reported-by: Dominik Brodowski <linux@dominikbrodowski.net>
Suggested-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20200319204947.18963-2-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-03-30 18:03:06 +01:00
Chris Wilson
4b379a48de drm/i915/selftests: Check timeout before flush and cond checks
Allow a bit of leniency for the CPU scheduler to be distracted while we
flush the tasklet and so ensure that we always check the status of the
request once more before timing out.

v2: Wait until the HW acked the submit, and we do any secondary actions
for the submit (e.g. timeslices)

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200330121644.25277-1-chris@chris-wilson.co.uk
2020-03-30 17:56:00 +01:00
Chris Wilson
8b6d457f95 drm/i915/execlists: Include priority info in trace_ports
Add some extra information into trace_ports to help with reviewing
correctness.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200330113137.24425-1-chris@chris-wilson.co.uk
2020-03-30 17:56:00 +01:00
Michal Wajdeczko
d472634ef9 drm/i915/huc: Fix HuC register used in debugfs
We report HuC status in debugfs using register read, but
we missed that on Gen11+ HuC uses different register.
Use correct one.

While here, correct placement of the colon.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200330113338.1713-1-michal.wajdeczko@intel.com
2020-03-30 17:56:00 +01:00
Paul Cercueil
a2005fc791 pwm: jz4740: Allow selection of PWM channels 0 and 1
The TCU channels 0 and 1 were previously reserved for system tasks, and
thus unavailable for PWM.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Mathieu Malaterre <malat@debian.org>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:10 +02:00
Paul Cercueil
c2693514a0 pwm: jz4740: Obtain regmap from parent node
The TCU registers are shared between a handful of drivers, accessing
them through the same regmap.

While this driver is devicetree-compatible, it is never (as of now)
probed from devicetree, so this change does not introduce a ABI problem
with current devicetree files.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Mathieu Malaterre <malat@debian.org>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:09 +02:00
Paul Cercueil
485b56f08f pwm: jz4740: Improve algorithm of clock calculation
The previous algorithm hardcoded details about how the TCU clocks work.
The new algorithm will use clk_round_rate to find the perfect clock rate
for the PWM channel.

This code relies on the fact that clk_round_rate() will always round
down, which is not a valid assumption given by the clk API, but only
happens to be true with the clk drivers used for Ingenic SoCs.

Right now, there is no alternative as the clk API does not have a
round-down function (and won't have one for a while), but if it ever
comes to light, a round-down function should be used instead.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Mathieu Malaterre <malat@debian.org>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:09 +02:00
Paul Cercueil
ce1f9cece0 pwm: jz4740: Use clocks from TCU driver
The ingenic-timer "TCU" driver provides us with clocks, that can be
(un)gated, reparented or reclocked from devicetree, instead of having
these settings hardcoded in this driver.

The new code now uses a clk pointer per PWM (instead of a clk per
pwm-chip before). So the pointer is stored in per-pwm data now.
The calls to arch-specific timer code is replaced with standard
clock API calls to start and stop each channel's clock.

While this driver is devicetree-compatible, it is never (as of now)
probed from devicetree, so this change does not introduce a ABI problem
with current devicetree files.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: Mathieu Malaterre <malat@debian.org>
Tested-by: Artur Rojek <contact@artur-rojek.eu>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:09 +02:00
Pascal Roeleven
d3817a6470 pwm: sun4i: Remove redundant needs_delay
'needs_delay' does now always evaluate to true, so remove all
occurrences.

Signed-off-by: Pascal Roeleven <dev@pascalroeleven.nl>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:08 +02:00
Lokesh Vutla
6b28fb6f3c pwm: omap-dmtimer: Implement .apply callback
Implement .apply callback and drop the legacy callbacks(enable, disable,
config, set_polarity). In .apply() check for the current hardware status
before changing the PWM configuration.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:08 +02:00
Lokesh Vutla
e793eef806 pwm: omap-dmtimer: Do not disable PWM before changing period/duty_cycle
Only the Timer control register(TCLR) cannot be updated when the timer
is running. Registers like Counter register (TCRR), loader register
(TLDR) and match register (TMAR) can be updated while the counter is
running. Since TCLR is not updated in pwm_omap_dmtimer_config(), do not
stop the timer for period/duty_cycle update.

Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:07 +02:00
Lokesh Vutla
867beb60d1 pwm: omap-dmtimer: Fix PWM enabling sequence
To configure DM timer in PWM mode the following needs to be set in
OMAP_TIMER_CTRL_REG using set_pwm callback:
- Set toggle mode on PORTIMERPWM output pin
- Set trigger on overflow and match on PORTIMERPWM output pin.
- Set auto reload

This is a one time configuration and needs to be set before the start of
the DM timer. But the current driver tries to set the same configuration
for every period/duty cycle update, which is not needed. So move the PWM
setup before enabling timer and do not update it in
pwm_omap_dmtimer_config().

Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:07 +02:00
Lokesh Vutla
348fb6f7fb pwm: omap-dmtimer: Update description for PWM OMAP DM timer
Update the description with a brief about how PWM is generated using
OMAP DM timer and add limitations for the PWM generations. Also add a
link to the reference manual.

Suggested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:06 +02:00
Lokesh Vutla
54091b5f19 pwm: omap-dmtimer: Drop unused header file
pwm_omap_dmtimer.h is used only:
- to typedef struct omap_dm_timer to pwm_omap_dmtimer
- for macro PWM_OMAP_DMTIMER_TRIGGER_OVERFLOW_AND_COMPARE
Rest of the file is pretty mush unsed. So reuse omap_dm_timer
and OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE in pwm-omap-dmtimer.c
and delete the header file.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:06 +02:00
Geert Uytterhoeven
a1098c13a3 pwm: renesas-tpu: Drop confusing registered message
During device probe, the message

    TPU PWM -1 registered

is printed.

While the "-1" looks suspicious, it is perfectly normal for a device
instantiated from DT.

Remove the message, as there are no non-DT users left, and other drivers
don't print such messages either.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:06 +02:00
Geert Uytterhoeven
d5a3c7a453 pwm: renesas-tpu: Fix late Runtime PM enablement
Runtime PM should be enabled before calling pwmchip_add(), as PWM users
can appear immediately after the PWM chip has been added.
Likewise, Runtime PM should always be disabled after the removal of the
PWM chip, even if the latter failed.

Fixes: 99b82abb0a ("pwm: Add Renesas TPU PWM driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:05 +02:00
Geert Uytterhoeven
1451a3eed2 pwm: rcar: Fix late Runtime PM enablement
Runtime PM should be enabled before calling pwmchip_add(), as PWM users
can appear immediately after the PWM chip has been added.
Likewise, Runtime PM should be disabled after the removal of the PWM
chip.

Fixes: ed6c1476bf ("pwm: Add support for R-Car PWM Timer")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:05 +02:00
Geert Uytterhoeven
5928ce02a7 dt-bindings: pwm: renesas-tpu: Document more R-Car Gen2 support
All R-Car Gen2 SoCs have a Renesas Timer Pulse Unit. Document support
for the missing variants.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:05 +02:00
Krzysztof Kozlowski
b33d232e61 pwm: meson: Fix confusing indentation
Fix indentation of return block.  Smatch warning:
    drivers/pwm/pwm-meson.c:139 meson_pwm_request() warn: inconsistent indenting

Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Fixes: 211ed63075 ("pwm: Add support for Meson PWM Controller")
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:05 +02:00
Rishi Gupta
a37507d5bf pwm: pca9685: Use gpio core provided macro GPIO_LINE_DIRECTION_OUT
GPIO core recently added macro to uniformly specify direction of a GPIO
line, so use it.

Signed-off-by: Rishi Gupta <gupt21@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:04 +02:00
Rishi Gupta
408a7591d9 pwm: pca9685: Replace CONFIG_PM with __maybe_unused
The __maybe_unused attribute is preferred over CONFIG_PM to prevent
potential build time issues. This commit replaces CONFIG_PM with this
attribute.

Signed-off-by: Rishi Gupta <gupt21@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:04 +02:00
Sandipan Patra
2d0c08fcd6 pwm: tegra: Add support for Tegra194
Tegra194 has multiple PWM controllers with each having only one output.

Also the maxmimum frequency is higher than earlier SoCs.

Add support for Tegra194 and specify the number of PWM outputs and
maximum supported frequency using device tree match data.

Signed-off-by: Sandipan Patra <spatra@nvidia.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:04 +02:00
Krzysztof Kozlowski
e96c0ff4b1 pwm: Enable compile testing for some of drivers
Some of the PWM drivers can be compile tested to increase build
coverage.

The Meson PWM driver requires COMMON_CLK dependency.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com> # For Broadcoam
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> # For Meson
Acked-by: Claudiu Beznea <claudiu.beznea@microchip.com> # For Atmel
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 18:03:03 +02:00
Miroslav Benes
c3881eb58d x86/xen: Make the secondary CPU idle tasks reliable
The unwinder reports the secondary CPU idle tasks' stack on XEN PV as
unreliable, which affects at least live patching.
cpu_initialize_context() sets up the context of the CPU through
VCPUOP_initialise hypercall. After it is woken up, the idle task starts
in cpu_bringup_and_idle() function and its stack starts at the offset
right below pt_regs. The unwinder correctly detects the end of stack
there but it is confused by NULL return address in the last frame.

Introduce a wrapper in assembly, which just calls
cpu_bringup_and_idle(). The return address is thus pushed on the stack
and the wrapper contains the annotation hint for the unwinder regarding
the stack state.

Signed-off-by: Miroslav Benes <mbenes@suse.cz>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
2020-03-30 17:32:10 +02:00
Miroslav Benes
2f62f36e62 x86/xen: Make the boot CPU idle task reliable
The unwinder reports the boot CPU idle task's stack on XEN PV as
unreliable, which affects at least live patching. There are two reasons
for this. First, the task does not follow the x86 convention that its
stack starts at the offset right below saved pt_regs. It allows the
unwinder to easily detect the end of the stack and verify it. Second,
startup_xen() function does not store the return address before jumping
to xen_start_kernel() which confuses the unwinder.

Amend both issues by moving the starting point of initial stack in
startup_xen() and storing the return address before the jump, which is
exactly what call instruction does.

Signed-off-by: Miroslav Benes <mbenes@suse.cz>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
2020-03-30 17:32:04 +02:00
Marek Marczykowski-Górecki
69086bd698 xen-pciback: fix INTERRUPT_TYPE_* defines
xen_pcibk_get_interrupt_type() assumes INTERRUPT_TYPE_NONE being 0
(initialize ret to 0 and return as INTERRUPT_TYPE_NONE).
Fix the definition to make INTERRUPT_TYPE_NONE really 0, and also shift
other values to not leave holes.
But also, do not assume INTERRUPT_TYPE_NONE being 0 anymore to avoid
similar confusions in the future.

Fixes: 476878e4b2 ("xen-pciback: optionally allow interrupt enable flag writes")
Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
2020-03-30 17:31:57 +02:00
Juergen Gross
b28089a7ad xen/xenbus: remove unused xenbus_map_ring()
xenbus_map_ring() is used nowhere in the tree, remove it.
xenbus_unmap_ring() is used only locally, so make it static and move it
up.

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
2020-03-30 17:30:46 +02:00
Sam Ravnborg
6c0ac4d5ff drm/dp_mst: add kernel-doc for drm_dp_mst_port.fec_capable
Fix kernel-doc warnings for drm_dp_mst_port.fec_capable.
This fixed the following warning:
drm_dp_mst_helper.h:162: warning: Function parameter or member
'fec_capable' not described in 'drm_dp_mst_port'

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: David Francis <David.Francis@amd.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Mikita Lipski <mikita.lipski@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
[Wrapped commit msg + s/network/topology]
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200328132025.19910-6-sam@ravnborg.org
2020-03-30 11:04:48 -04:00
Kelsey Skunberg
bd641fd830 PCI: sysfs: Revert "rescan" file renames
We changed these sysfs filenames:

  .../pci_bus/<domain:bus>/rescan  ->  .../pci_bus/<domain:bus>/bus_rescan
  .../<domain🚌dev.fn>/rescan   ->  .../<domain🚌dev.fn>/dev_rescan

and Ruslan reported [1] that this broke a userspace application.

Revert these name changes so both files are named "rescan" again.

Note that we have to use __ATTR() to assign custom C symbols, i.e.,
"struct device_attribute <symbol>".

[1] https://lore.kernel.org/r/CAB=otbSYozS-ZfxB0nCiNnxcbqxwrHOSYxJJtDKa63KzXbXgpw@mail.gmail.com

[bhelgaas: commit log, use __ATTR() both places so we don't have to rename
the attributes]
Fixes: 8bdfa145f5 ("PCI: sysfs: Define device attributes with DEVICE_ATTR*()")
Fixes: 4e2b79436e ("PCI: sysfs: Change DEVICE_ATTR() to DEVICE_ATTR_WO()")
Link: https://lore.kernel.org/r/20200325151708.32612-1-skunberg.kelsey@gmail.com
Signed-off-by: Kelsey Skunberg <kelsey.skunberg@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: stable@vger.kernel.org	# v5.4+
2020-03-30 10:01:48 -05:00
Matthias Schiffer
69ee15f1b7 pwm: pca9685: Remove unused duty_cycle struct element
duty_cycle was only set, never read.

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 16:55:27 +02:00
Anson Huang
cef6df8bcd pwm: mxs: Remove unused include of of_address.h
There is nothing in use from of_address.h, remove it.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 16:55:27 +02:00
Anson Huang
cf7987320a pwm: imx27: Remove unused include of of_device.h
There is nothing in use from of_device.h, remove it.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 16:55:26 +02:00
Anson Huang
c0adbd1cdf pwm: imx-tpm: Remove unused includes
There is nothing in use from log2.h/of_address.h, remove them.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 16:55:26 +02:00
Uwe Kleine-König
3ad1f3a332 pwm: Implement some checks for lowlevel drivers
There are some expectations which the callbacks provided by lowlevel
drivers should fulfill. Implement checks that help driver authors to get
these semantics right. As these have some overhead the checks can be
disabled using a Kconfig setting.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2020-03-30 16:55:26 +02:00