To find aux_dev, ASoC is using .name, codec_name, codec_of_node.
Here, .name is used to fallback in case of no codec.
But, we already have this kind of component finding method by
snd_soc_dai_link_component and soc_find_component().
We shouldn't have duplicated implementation to do same things.
This patch adds snd_soc_dai_link_component support to finding aux_dev.
Now, no driver is using only .name.
All drivers are using codec_name and/or codec_of_node.
This means no driver is finding component from .name so far.
(Actually almost all drivers are using .name as just "device name",
not for finding component...)
This patch
1) add snd_soc_dai_link_component support for aux_dev. legacy style will
be removed if all drivers are switched to new style.
2) try to find component via snd_soc_dai_link_component.
Then, it doesn't try to find via .name, because no driver is using
it so far.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87y3046wcf.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
During reset the VMMC regulator doesn't reach 0V and only drops to
1.8V, furthermore the pulse width is under 200us whereas the SD
specification expect 1ms.
The WR_S bit allows the TWL6030 to no reset at all the VMMC during warm
reset and keep the current voltage. Thanks to this workaround the SD
card doesn't reach a undefined reset stage.
Actually this behavior is available for all the LDO regulator, so the
driver will also allow to use it with any of these regulator.
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://lore.kernel.org/r/20190725094542.16547-4-gregory.clement@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
During reset the VMMC regulator doesn't reach 0V and only drops to
1.8V, furthermore the pulse width is under 200us whereas the SD
specification expect 1ms.
For this 2 reasons being able to no reset at all the VMMC during warm
reset and keep the current voltage is a good workaround. The TWL6030
allows this but needs to be aware of it and this configuration should
also be shared with the bootloader.
This is the purpose of this new property: ti,retain-on-reset
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://lore.kernel.org/r/20190725094542.16547-2-gregory.clement@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
hdac_hdmi_present_sense() calls the audio component to get ELD update,
then it reports the jack status change and updates DAPM graph
accordingly. This works when it's called from the normal code paths.
However, it may lead to a dead lock when it's called from the audio
component notifier. Namely, the DAPM update involves with the runtime
PM, and it eventually calls again the audio component get_power()
ops. Since i915 driver already takes a mutex around the audio
component ops calls, we'll eventually get the mutex doubly.
As a workaround, in this patch, only the jack state is updated in the
code path from hdac_hdmi_eld_notify_cb(), and the DAPM update is
deferred to a work so that it's processed in another context.
Reported-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20190809151531.24359-1-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Current PSCI code handles idle state entry through the
psci_cpu_suspend_enter() API, that takes an idle state index as a
parameter and convert the index into a previously initialized
power_state parameter before calling the PSCI.CPU_SUSPEND() with it.
This is unwieldly, since it forces the PSCI firmware layer to keep track
of power_state parameter for every idle state so that the
index->power_state conversion can be made in the PSCI firmware layer
instead of the CPUidle driver implementations.
Move the power_state handling out of drivers/firmware/psci
into the respective ACPI/DT PSCI CPUidle backends and convert
the psci_cpu_suspend_enter() API to get the power_state
parameter as input, which makes it closer to its firmware
interface PSCI.CPU_SUSPEND() API.
A notable side effect is that the PSCI ACPI/DT CPUidle backends
now can directly handle (and if needed update) power_state
parameters before handing them over to the PSCI firmware
interface to trigger PSCI.CPU_SUSPEND() calls.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Signed-off-by: Will Deacon <will@kernel.org>
Allow selection of the PSCI CPUidle in the kernel by updating
the respective Kconfig entry.
Remove PSCI callbacks from ARM/ARM64 generic CPU ops
to prevent the PSCI idle driver from clashing with the generic
ARM CPUidle driver initialization, that relies on CPU ops
to initialize and enter idle states.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Will Deacon <will@kernel.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Signed-off-by: Will Deacon <will@kernel.org>
PSCI firmware is the standard power management control for
all ARM64 based platforms and it is also deployed on some
ARM 32 bit platforms to date.
Idle state entry in PSCI is currently achieved by calling
arm_cpuidle_init() and arm_cpuidle_suspend() in a generic
idle driver, which in turn relies on ARM/ARM64 CPUidle back-end
to relay the call into PSCI firmware if PSCI is the boot method.
Given that PSCI is the standard idle entry method on ARM64 systems
(which means that no other CPUidle driver are expected on ARM64
platforms - so PSCI is already a generic idle driver), in order to
simplify idle entry and code maintenance, it makes sense to have a PSCI
specific idle driver so that idle code that it is currently living in
drivers/firmware directory can be hoisted out of it and moved
where it belongs, into a full-fledged PSCI driver, leaving PSCI code
in drivers/firmware as a pure firmware interface, as it should be.
Implement a PSCI CPUidle driver. By default it is a silent Kconfig entry
which is left unselected, since it selection would clash with the
generic ARM CPUidle driver that provides a PSCI based idle driver
through the arm/arm64 arches back-ends CPU operations.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Signed-off-by: Will Deacon <will@kernel.org>
The PSCI checker currently relies on the generic ARM CPUidle
infrastructure to enter an idle state, which in turn creates
a dependency that is not really needed.
The PSCI checker code to test PSCI CPU suspend is built on
top of the CPUidle framework and can easily reuse the
struct cpuidle_state.enter() function (previously initialized
by an idle driver, with a PSCI back-end) to trigger an entry
into an idle state, decoupling the PSCI checker from the
generic ARM CPUidle infrastructure and simplyfing the code
in the process.
Convert the PSCI checker suspend entry function to use
the struct cpuidle_state.enter() function callback.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
CPUidle back-end operations are not implemented in some platforms
but this should not be considered an error serious enough to be
logged. Check the arm_cpuidle_init() return value to detect whether
the failure must be reported or not in the kernel log and do
not log it if the platform does not support CPUidle operations.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Signed-off-by: Will Deacon <will@kernel.org>
This should be 'synaptics', not 'synpatics'
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Since commit ff9b45c55b ("kbuild: modpost: read modules.order instead
of $(MODVERDIR)/*.mod"), a module is no longer built in the following
pattern:
[Makefile]
subdir-y := some-module
[some-module/Makefile]
obj-m := some-module.o
You cannot write Makefile this way in upstream because modules.order is
not correctly generated. subdir-y is used to descend to a sub-directory
that builds tools, device trees, etc.
For external modules, the modules order does not matter. So, the
Makefile above was known to work.
I believe the Makefile should be re-written as follows:
[Makefile]
obj-m := some-module/
[some-module/Makefile]
obj-m := some-module.o
However, people will have no idea if their Makefile suddenly stops
working. In fact, I received questions from multiple people.
Show a warning for a while if obj-m is specified in a Makefile visited
by subdir-y or subdir-m.
I touched the %/ rule to avoid false-positive warnings for the single
target.
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Tom Stonecypher <thomas.edwardx.stonecypher@intel.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Jan Kiszka <jan.kiszka@siemens.com>
The modules.order files in directories visited by the chain of obj-y
or obj-m are merged to the upper-level ones, and become parts of the
top-level modules.order. On the other hand, there is no need to
generate modules.order in directories visited by subdir-y or subdir-m
since they would become orphan anyway.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
The current implementation of need-builtin is false-positive,
for example, in the following Makefile:
obj-m := foo/
obj-y := foo/bar/
..., where foo/built-in.a is not required.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
I removed the single target %.ko in commit ff9b45c55b ("kbuild:
modpost: read modules.order instead of $(MODVERDIR)/*.mod") because
the modpost stage does not work reliably. For instance, the module
dependency, modversion, etc. do not work if we lack symbol information
from the other modules.
Yet, some people still want to build only one module in their interest,
and it may be still useful if it is used within those limitations.
Fixes: ff9b45c55b ("kbuild: modpost: read modules.order instead of $(MODVERDIR)/*.mod")
Reported-by: Don Brace <don.brace@microsemi.com>
Reported-by: Arend Van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
core:
- mode parser strncpy fix
i915:
- GLK DSI escape clock setting
- HDCP memleak fix
tegra:
- one gpiod/of regression fix
amdgpu:
- Fixes VCN to handle the latest navi10 firmware
- Fixes for fan control on navi10
- Properly handle SMU metrics table on navi10
- Fix a resume regression on Stoney
- kfd revert a GWS ioctl
vmwgfx:
- memory leak fix
rockchip:
- suspend fix
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Merge tag 'drm-fixes-2019-08-09' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Usual fixes roundup. Nothing too crazy or serious, one non-released
ioctl is removed in the amdkfd driver.
core:
- mode parser strncpy fix
i915:
- GLK DSI escape clock setting
- HDCP memleak fix
tegra:
- one gpiod/of regression fix
amdgpu:
- fix VCN to handle the latest navi10 firmware
- fix for fan control on navi10
- properly handle SMU metrics table on navi10
- fix a resume regression on Stoney
- kfd revert a GWS ioctl
vmwgfx:
- memory leak fix
rockchip:
- suspend fix"
* tag 'drm-fixes-2019-08-09' of git://anongit.freedesktop.org/drm/drm:
drm/vmwgfx: fix memory leak when too many retries have occurred
Revert "drm/amdkfd: New IOCTL to allocate queue GWS"
Revert "drm/amdgpu: fix transform feedback GDS hang on gfx10 (v2)"
drm/amdgpu: pin the csb buffer on hw init for gfx v8
drm/rockchip: Suspend DP late
drm/i915: Fix wrong escape clock divisor init for GLK
drm/i915: fix possible memory leak in intel_hdcp_auth_downstream()
drm/modes: Fix unterminated strncpy
drm/amd/powerplay: correct navi10 vcn powergate
drm/amd/powerplay: honor hw limit on fetching metrics data for navi10
drm/amd/powerplay: Allow changing of fan_control in smu_v11_0
drm/amd/amdgpu/vcn_v2_0: Move VCN 2.0 specific dec ring test to vcn_v2_0
drm/amd/amdgpu/vcn_v2_0: Mark RB commands as KMD commands
drm/tegra: Fix gpiod_get_from_of_node() regression
- Map vdso also for statically linked binaries like all other
architectures.
- Fix no .bss usage compile-time check to account common objects with the
help of binutils size tool. Top level Makefile change acked-by
Masahiro.
- A fix to make perf happy with _etext symbol type.
- Fix dump_pagetables which is broken since p*d_offset implementation
change to comply with mm/gup.c expectations.
- Revert memory sharing for diag calls in protected virtualization, since
this is not required after all.
- Couple of other minor code cleanups.
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Merge tag 's390-5.3-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Map vdso also for statically linked binaries like all other
architectures.
- Fix no .bss usage compile-time check to account common objects with
the help of binutils size tool. Top level Makefile change acked-by
Masahiro.
- A fix to make perf happy with _etext symbol type.
- Fix dump_pagetables which is broken since p*d_offset implementation
change to comply with mm/gup.c expectations.
- Revert memory sharing for diag calls in protected virtualization,
since this is not required after all.
- Couple of other minor code cleanups.
* tag 's390-5.3-5' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/vdso: map vdso also for statically linked binaries
s390/build: use size command to perform empty .bss check
kbuild: add OBJSIZE variable for the size tool
s390: put _stext and _etext into .text section
s390/head64: cleanup unused labels
s390/unwind: remove stack recursion warning
s390/setup: adjust start_code of init_mm to _text
s390/mm: fix dump_pagetables top level page table walking
s390/protvirt: avoid memory sharing for diag 308 set/store
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Merge tag 'for-linus-20190809' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Revert of a bcache patch that caused an oops for some (Coly)
- ata rb532 unused warning fix (Gustavo)
- AoE kernel crash fix (He)
- Error handling fixup for blkdev_get() (Jan)
- libata read/write translation and SFF PIO fix (me)
- Use after free and error handling fix for O_DIRECT fragments. There's
still a nowait + sync oddity in there, we'll nail that start next
week. If all else fails, I'll queue a revert of the NOWAIT change.
(me)
- Loop GFP_KERNEL -> GFP_NOIO deadlock fix (Mikulas)
- Two BFQ regression fixes that caused crashes (Paolo)
* tag 'for-linus-20190809' of git://git.kernel.dk/linux-block:
bcache: Revert "bcache: use sysfs_match_string() instead of __sysfs_match_string()"
loop: set PF_MEMALLOC_NOIO for the worker thread
bdev: Fixup error handling in blkdev_get()
block, bfq: handle NULL return value by bfq_init_rq()
block, bfq: move update of waker and woken list to queue freeing
block, bfq: reset last_completed_rq_bfqq if the pointed queue is freed
block: aoe: Fix kernel crash due to atomic sleep when exiting
libata: add SG safety checks in SFF pio transfers
libata: have ata_scsi_rw_xlat() fail invalid passthrough requests
block: fix O_DIRECT error handling for bio fragments
ata: rb532_cf: Fix unused variable warning in rb532_pata_driver_probe
- update fbdev git tree in MAINTAINERS file
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Merge tag 'fbdev-v5.3-rc4' of git://github.com/bzolnier/linux
Pull fbdev fix from Bartlomiej Zolnierkiewicz:
"fbdev patches will now go to upstream through drm-misc tree for
improved maintainership and better integration testing so update
MAINTAINERS file accordingly"
* tag 'fbdev-v5.3-rc4' of git://github.com/bzolnier/linux:
MAINTAINERS: handle fbdev changes through drm-misc tree
This contains a single fix for a backlight brightness regression
introduced in v5.3-rc1.
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Merge tag 'pwm/for-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm fix from Thierry Reding:
"A single fix for a backlight brightness regression introduced in
this merge window"
* tag 'pwm/for-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: Fallback to the static lookup-list when acpi_pwm_get fails
Lots of small fixes at this time since we've received the ASoC
fix batch now.
- Some coverage in ASoC core mostly for minor issues like NULL
checks for DPCM and proper error handling in DAI instantiation
- A collection of small device-specific changes in various ASoC
codec and platform drivers
- OF-tree refcount fixes in a few ASoC drivers
- Fixes of memory leaks in the error paths of various ASoC / ALSA
drivers
- A workaround for a long-standing issue on AMD HD-audio device
- Updates of MAINTAINERS, mail addresses, file permission fixups
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Merge tag 'sound-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Lots of small fixes at this time since we've received the ASoC fix
batch now.
- Some coverage in ASoC core mostly for minor issues like NULL checks
for DPCM and proper error handling in DAI instantiation
- A collection of small device-specific changes in various ASoC codec
and platform drivers
- OF-tree refcount fixes in a few ASoC drivers
- Fixes of memory leaks in the error paths of various ASoC / ALSA
drivers
- A workaround for a long-standing issue on AMD HD-audio device
- Updates of MAINTAINERS, mail addresses, file permission fixups"
* tag 'sound-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (38 commits)
ALSA: firewire: fix a memory leak bug
sound: fix a memory leak bug
ALSA: hda - Workaround for crackled sound on AMD controller (1022:1457)
ALSA: hiface: fix multiple memory leak bugs
ALSA: hda - Don't override global PCM hw info flag
ALSA: usb-audio: fix a memory leak bug
ASoC: max98373: Remove executable bits
ASoC: amd: acp3x: use dma address for acp3x dma driver
ASoC: amd: acp3x: use dma_ops of parent device for acp3x dma driver
ASoC: max98373: add 88200 and 96000 sampling rate support
ASoC: sun4i-i2s: Incorrect SR and WSS computation
MAINTAINERS: Update Intel ASoC drivers maintainers
ASoC: ti: davinci-mcasp: Correct slot_width posed constraint
ASoC: rockchip: Fix mono capture
ASoC: Intel: Fix some acpi vs apci typo in somme comments
ASoC: ti: davinci-mcasp: Fix clk PDIR handling for i2s master mode
ASoC: Fail card instantiation if DAI format setup fails
ASoC: SOF: Intel: hda: remove misleading error trace from IRQ thread
ASoC: qcom: apq8016_sbc: Fix oops with multiple DAI links
ASoC: dapm: fix a memory leak bug
...
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Merge tag 'media/v5.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fix from Mauro Carvalho Chehab:
"A fix at the vivid CEC support"
* tag 'media/v5.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: vivid: fix missing cec adapter name
Revert a recent PCI power management change that caused problems to
occur on multiple systems (Mika Westerberg).
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Merge tag 'pm-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Revert a recent PCI power management change that caused problems to
occur on multiple systems (Mika Westerberg)"
* tag 'pm-5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "PCI: Add missing link delays required by the PCIe spec"
atomic 64 bits REG operations are useless currently
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
implement 64 bits operations via 32 bits interface
v2: make use of lower_32_bits() and upper_32_bits() macros
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Pull crypto fixes from Herbert Xu:
"Fix a number of bugs in the ccp driver"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: ccp - Ignore tag length when decrypting GCM ciphertext
crypto: ccp - Add support for valid authsize values less than 16
crypto: ccp - Fix oops by properly managing allocated structures
what we really want is a read or write that is guaranteed to be 64 bits
at a time, atomic64 operations are supported on all architectures
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Jesper Dangaard Brouer says:
====================
V3: Hopefully fixed all issues point out by Yonghong Song
V2: Addressed issues point out by Yonghong Song
- Please ACK patch 2/3 again
- Added ACKs and reviewed-by to other patches
This patchset is focused on improvements for XDP forwarding sample
named xdp_fwd, which leverage the existing FIB routing tables as
described in LPC2018[1] talk by David Ahern.
The primary motivation is to illustrate how Toke's recent work
improves usability of XDP_REDIRECT via lookups in devmap. The other
patches are to help users understand the sample.
I have more improvements to xdp_fwd, but those might requires changes
to libbpf. Thus, sending these patches first as they are isolated.
[1] http://vger.kernel.org/lpc-networking2018.html#session-1
====================
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Make it clear that this XDP program depend on the network
stack to do the ARP resolution. This is connected with the
BPF_FIB_LKUP_RET_NO_NEIGH return code from bpf_fib_lookup().
Another common mistake (seen via XDP-tutorial) is that users
don't realize that sysctl net.ipv{4,6}.conf.all.forwarding
setting is honored by bpf_fib_lookup.
Reported-by: Anton Protopopov <a.s.protopopov@gmail.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Acked-by: Yonghong Song <yhs@fb.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This address the TODO in samples/bpf/xdp_fwd_kern.c, which points out
that the chosen egress index should be checked for existence in the
devmap. This can now be done via taking advantage of Toke's work in
commit 0cdbb4b09a ("devmap: Allow map lookups from eBPF").
This change makes xdp_fwd more practically usable, as this allows for
a mixed environment, where IP-forwarding fallback to network stack, if
the egress device isn't configured to use XDP.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
The devmap name 'tx_port' came from a copy-paste from xdp_redirect_map
which only have a single TX port. Change name to xdp_tx_ports
to make it more descriptive.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Acked-by: Yonghong Song <yhs@fb.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Use kmap instead of page_address as it's not always in low memory.
Acked-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
In gfs2_alloc_inode, when kmem_cache_alloc cannot allocate a new object, return
NULL immediately. The code currently relies on the fact that i_inode is the
first member in struct gfs2_inode and so ip and &ip->i_inode evaluate to the
same address, but that isn't immediately obvious.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Bob Peterson <rpeterso@redhat.com>
iomap handles all the nitty-gritty details of zeroing a file
range for us, so use the proper helper.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Bob Peterson <rpeterso@redhat.com>
Add support for the IOMAP_ZERO iomap operation so that iomap_zero_range will
work as expected. In the IOMAP_ZERO case, the caller of iomap_zero_range is
responsible for taking an exclusive glock on the inode, so we need no
additional locking in gfs2_iomap_begin.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Bob Peterson <rpeterso@redhat.com>
Following commit d0a22a4b03 ("gfs2: Fix iomap write page reclaim deadlock"),
gfs2_iomap_begin and gfs2_iomap_begin_write can be further cleaned up and the
split between those two functions can be improved.
With suggestions from Christoph Hellwig.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Bob Peterson <rpeterso@redhat.com>
It turns out that the current version of gfs2_metadata_walker suffers
from multiple problems that can cause gfs2_hole_size to report an
incorrect size. This will confuse fiemap as well as lseek with the
SEEK_DATA flag.
Fix that by changing gfs2_hole_walker to compute the metapath to the
first data block after the hole (if any), and compute the hole size
based on that.
Fixes xfstest generic/490.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Bob Peterson <rpeterso@redhat.com>
Cc: stable@vger.kernel.org # v4.18+
Jakub Kicinski says:
====================
First make sure we don't use "prog" in error messages because
the pinning operation could be performed on a map. Second add
back missing error message if pin syscall failed.
====================
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
No error message is currently printed if the pin syscall
itself fails. It got lost in the loadall refactoring.
Fixes: 77380998d9 ("bpftool: add loadall command")
Reported-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Change an error message to work for any object being
pinned not just programs.
Fixes: 71bb428fe2 ("tools: bpf: add bpftool")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This is not needed for anything, and prevents proper PM transitions for
parent devices which is bad in case of ti-sysc; this effectively kills
PM completely. Thus, remove the flag.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Current implementation of OMAP IOMMU enforces strict ordering of device
probe, initiated by iommu and followed by remoteproc later. This doesn't
work too well with the new setup done with ti-sysc changes which may
have the devices probed at pretty much any order. To overcome this limitation,
if iommu has not been probed yet when a consumer tries to attach to it,
add the device to orphan device list which will be parsed during iommu
probe to see if any orphan devices should be attached.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This patch adds the support for the OMAP IOMMUs to be suspended
during the auto suspend/resume of the OMAP remoteproc devices. The
remote processors are auto suspended after a certain time of idle
or inactivity period. This is done by introducing two new API,
omap_iommu_domain_deactivate() and omap_iommu_domain_activate()
to allow the client users/master devices of the IOMMU devices to
deactivate & activate the IOMMU devices from their runtime
suspend/resume operations. There is no API exposed by the IOMMU
layer at present, and so these new API are added directly in the
OMAP IOMMU driver to minimize framework changes.
The API simply decrements and increments the runtime usage count
of the IOMMU devices and let the context be saved/restored using
the existing runtime pm callbacks.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
The MMU registers for the remote processors lose their context
in Open Switch Retention (OSWR) or device OFF modes. Hence, the
context of the IOMMU needs to be saved before it is put into any
of these lower power state (OSWR/OFF) and restored before it is
powered up to ON again. The IOMMUs need to be active as long as
the client devices that are present behind the IOMMU are active.
This patch adds the dev_pm_ops callbacks to provide the system
suspend/resume functionality through the appropriate runtime
PM callbacks. The PM runtime_resume and runtime_suspend callbacks
are already used to enable, configure and disable the IOMMUs during
the attaching and detaching of the client devices to the IOMMUs,
and the new PM callbacks reuse the same code by invoking the
pm_runtime_force_suspend() and pm_runtime_force_resume() API. The
functionality in dev_pm_ops .prepare() checks if the IOMMU device
was already runtime suspended, and skips invoking the suspend/resume
PM callbacks. The suspend/resume PM callbacks are plugged in through
the 'late' pm ops to ensure that the IOMMU devices will be suspended
only after its master devices (remoteproc devices) are suspended and
restored before them.
NOTE:
There are two other existing API, omap_iommu_save_ctx() and
omap_iommu_restore_ctx(). These are left as is to support
suspend/resume of devices on legacy OMAP3 SoC.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
The MMUs provide a mechanism to lock TLB entries to avoid
eviction and fetching of frequently used page table entries.
These TLBs lose context when the MMUs are turned OFF. Add the
logic to save and restore these locked TLBS during suspend
and resume respectively. There are no locked TLBs during
initial power ON, and they need not be saved during final
shutdown.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
The OMAP IOMMU devices are typically present within the respective
client processor subsystem and have their own dedicated hard-reset
line. Enabling an IOMMU requires the reset line to be deasserted
and the clocks to be enabled before programming the necessary IOMMU
registers. The IOMMU disable sequence follow the reverse order of
enabling. The OMAP IOMMU driver programs the reset lines through
pdata ops to invoke the omap_device_assert/deassert_hardreset API.
The clocks are managed through the pm_runtime framework, and the
callbacks associated with the device's pm_domain, implemented in
the omap_device layer.
Streamline the enable and disable sequences in the OMAP IOMMU
driver by implementing all the above operations within the
runtime pm callbacks. All the OMAP devices have device pm_domain
callbacks plugged in the omap_device layer for automatic runtime
management of the clocks. Invoking the reset management functions
within the runtime pm callbacks in OMAP IOMMU driver therefore
requires that the default device's pm domain callbacks in the
omap_device layer be reset, as the ordering sequence for managing
the reset lines and clocks from the pm_domain callbacks don't gel
well with the implementation in the IOMMU driver callbacks. The
omap_device_enable/omap_device_idle functions are invoked through
the newly added pdata ops.
Consolidating all the device management sequences within the
runtime pm callbacks allows the driver to easily support both
system suspend/resume and runtime suspend/resume using common
code.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Add two new platform data ops to allow the OMAP iommu driver to
be able to invoke the omap_device_enable and omap_device_idle
from within the driver. These are being added to streamline the
sequence between managing the hard reset lines and the clocks
during the suspend path, as the default device pm_domain callback
sequences in omap_device layer are not conducive for the OMAP
IOMMU driver.
This could have been done by expanding the existing pdata ops
for reset management (like in the OMAP remoteproc driver), but
this was chosen to avoid adding additional code in the separate
file in the mach-omap2 layer.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
