When BCM47XX_SSB is enabled and SSB_PCIHOST is disabled, it results in the
following Kbuild warning:
WARNING: unmet direct dependencies detected for SSB_B43_PCI_BRIDGE
Depends on [n]: SSB [=y] && SSB_PCIHOST [=n]
Selected by [y]:
- BCM47XX_SSB [=y] && BCM47XX [=y] && PCI [=y]
The reason is that BCM47XX_SSB selects SSB_B43_PCI_BRIDGE without
depending on or selecting SSB_PCIHOST while SSB_B43_PCI_BRIDGE depends on
SSB_PCIHOST. This can also fail building the kernel as demonstrated in a
bug report.
Honor the kconfig dependency to remove unmet direct dependency warnings
and avoid any potential build failures.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=210051
Signed-off-by: Necip Fazil Yildiran <fazilyildiran@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
In accordance with the Generic EHCI/OHCI bindings the corresponding node
name is suppose to comply with the Generic USB HCD DT schema, which
requires the USB nodes to have the name acceptable by the regexp:
"^usb(@.*)?" . Make sure the "generic-ehci" and "generic-ohci"-compatible
nodes are correctly named.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
In accordance with the Generic EHCI/OHCI bindings the corresponding node
name is suppose to comply with the Generic USB HCD DT schema, which
requires the USB nodes to have the name acceptable by the regexp:
"^usb(@.*)?" . Make sure the "generic-ehci" and "generic-ohci"-compatible
nodes are correctly named.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
In accordance with the Generic EHCI/OHCI bindings the corresponding node
name is suppose to comply with the Generic USB HCD DT schema, which
requires the USB nodes to have the name acceptable by the regexp:
"^usb(@.*)?" . Make sure the "generic-ehci" and "generic-ohci"-compatible
nodes are correctly named.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Current release - regressions:
- arm64: dts: fsl-ls1028a-kontron-sl28: specify in-band mode for ENETC
Current release - bugs in new features:
- mptcp: provide rmem[0] limit offset to fix oops
Previous release - regressions:
- IPv6: Set SIT tunnel hard_header_len to zero to fix path MTU
calculations
- lan743x: correctly handle chips with internal PHY
- bpf: Don't rely on GCC __attribute__((optimize)) to disable GCSE
- mlx5e: Fix VXLAN port table synchronization after function reload
Previous release - always broken:
- bpf: Zero-fill re-used per-cpu map element
- net: udp: fix out-of-order packets when forwarding with UDP GSO
fraglists turned on
- fix UDP header access on Fast/frag0 UDP GRO
- fix IP header access and skb lookup on Fast/frag0 UDP GRO
- ethtool: netlink: add missing netdev_features_change() call
- net: Update window_clamp if SOCK_RCVBUF is set
- igc: Fix returning wrong statistics
- ch_ktls: fix multiple leaks and corner cases in Chelsio TLS offload
- tunnels: Fix off-by-one in lower MTU bounds for ICMP/ICMPv6 replies
- r8169: disable hw csum for short packets on all chip versions
- vrf: Fix fast path output packet handling with async Netfilter rules
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Current release - regressions:
- arm64: dts: fsl-ls1028a-kontron-sl28: specify in-band mode for
ENETC
Current release - bugs in new features:
- mptcp: provide rmem[0] limit offset to fix oops
Previous release - regressions:
- IPv6: Set SIT tunnel hard_header_len to zero to fix path MTU
calculations
- lan743x: correctly handle chips with internal PHY
- bpf: Don't rely on GCC __attribute__((optimize)) to disable GCSE
- mlx5e: Fix VXLAN port table synchronization after function reload
Previous release - always broken:
- bpf: Zero-fill re-used per-cpu map element
- fix out-of-order UDP packets when forwarding with UDP GSO fraglists
turned on:
- fix UDP header access on Fast/frag0 UDP GRO
- fix IP header access and skb lookup on Fast/frag0 UDP GRO
- ethtool: netlink: add missing netdev_features_change() call
- net: Update window_clamp if SOCK_RCVBUF is set
- igc: Fix returning wrong statistics
- ch_ktls: fix multiple leaks and corner cases in Chelsio TLS offload
- tunnels: Fix off-by-one in lower MTU bounds for ICMP/ICMPv6 replies
- r8169: disable hw csum for short packets on all chip versions
- vrf: Fix fast path output packet handling with async Netfilter
rules"
* tag 'net-5.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (65 commits)
lan743x: fix use of uninitialized variable
net: udp: fix IP header access and skb lookup on Fast/frag0 UDP GRO
net: udp: fix UDP header access on Fast/frag0 UDP GRO
devlink: Avoid overwriting port attributes of registered port
vrf: Fix fast path output packet handling with async Netfilter rules
cosa: Add missing kfree in error path of cosa_write
net: switch to the kernel.org patchwork instance
ch_ktls: stop the txq if reaches threshold
ch_ktls: tcb update fails sometimes
ch_ktls/cxgb4: handle partial tag alone SKBs
ch_ktls: don't free skb before sending FIN
ch_ktls: packet handling prior to start marker
ch_ktls: Correction in middle record handling
ch_ktls: missing handling of header alone
ch_ktls: Correction in trimmed_len calculation
cxgb4/ch_ktls: creating skbs causes panic
ch_ktls: Update cheksum information
ch_ktls: Correction in finding correct length
cxgb4/ch_ktls: decrypted bit is not enough
net/x25: Fix null-ptr-deref in x25_connect
...
As the kernel never sets HCR_EL2.EnSCXT, accesses to SCXTNUM_ELx
will trap to EL2. Let's handle that as gracefully as possible
by injecting an UNDEF exception into the guest. This is consistent
with the guest's view of ID_AA64PFR0_EL1.CSV2 being at most 1.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20201110141308.451654-4-maz@kernel.org
A large number of system register trap handlers only inject an
UNDEF exeption, and yet each class of sysreg seems to provide its
own, identical function.
Let's unify them all, saving us introducing yet another one later.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20201110141308.451654-3-maz@kernel.org
We now expose ID_AA64PFR0_EL1.CSV2=1 to guests running on hosts
that are immune to Spectre-v2, but that don't have this field set,
most likely because they predate the specification.
However, this prevents the migration of guests that have started on
a host the doesn't fake this CSV2 setting to one that does, as KVM
rejects the write to ID_AA64PFR0_EL2 on the grounds that it isn't
what is already there.
In order to fix this, allow userspace to set this field as long as
this doesn't result in a promising more than what is already there
(setting CSV2 to 0 is acceptable, but setting it to 1 when it is
already set to 0 isn't).
Fixes: e1026237f9 ("KVM: arm64: Set CSV2 for guests on hardware unaffected by Spectre-v2")
Reported-by: Peng Liang <liangpeng10@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20201110141308.451654-2-maz@kernel.org
It has been observed that resetting force in the detect function can
result in the PHY being powered down in response to hot-plug detect
being asserted, even when the HDMI connector is forced on.
Enabling debug messages and adding a call to dump_stack() in
dw_hdmi_phy_power_off() shows the following in dmesg:
[ 160.637413] dwhdmi-rockchip ff940000.hdmi: EVENT=plugin
[ 160.637433] dwhdmi-rockchip ff940000.hdmi: PHY powered down in 0 iterations
Call trace:
dw_hdmi_phy_power_off
dw_hdmi_phy_disable
dw_hdmi_update_power
dw_hdmi_detect
dw_hdmi_connector_detect
drm_helper_probe_detect_ctx
drm_helper_hpd_irq_event
dw_hdmi_irq
irq_thread_fn
irq_thread
kthread
ret_from_fork
Fixes: 381f05a7a8 ("drm: bridge/dw_hdmi: add connector mode forcing")
Signed-off-by: Jonathan Liu <net147@gmail.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201031081747.372599-1-net147@gmail.com
Commit 716ad0986c ("loop: Switch to set_capacity_revalidate_and_notify")
causes an occasional drop of loop device uevent, which are no longer
triggered in loop_set_size() but in a different part of code.
Bug is reproducible with LTP test uevent01 [1]:
i=0; while true; do
i=$((i+1)); echo "== $i =="
lsmod |grep -q loop && rmmod -f loop
./uevent01 || break
done
Put back triggering through code called in loop_set_size().
Fix required to add yet another parameter to
set_capacity_revalidate_and_notify().
[1] https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/uevents/uevent01.c
[hch: rebased on a different change to the prototype of
set_capacity_revalidate_and_notify]
Cc: stable@vger.kernel.org # v5.9
Fixes: 716ad0986c ("loop: Switch to set_capacity_revalidate_and_notify")
Reported-by: <ltp@lists.linux.it>
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Return if the function ended up sending an uevent or not.
Cc: stable@vger.kernel.org # v5.9
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Backchannel rpc tasks don't have task->tk_client set, so it's necessary
to check it for NULL before dereferencing.
Fixes: c509f15a58 ("SUNRPC: Split the xdr_buf event class")
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Since the commit 943b69ac18 ("perf parse-events: Set exclude_guest=1
for user-space counting"), 'exclude_guest=1' is set for user-space
counting; and the branch sample's modifier has been altered, the sample
event name has been changed from "branches:u:" to "branches:uH:", which
gives out info for "user-space and host counting".
But the cs-etm testing's regular expression cannot match the updated
branch sample event and leads to test failure.
This patch updates the branch sample pattern by using a more flexible
expression '.*' to match branch sample's modifiers, so that allows the
testing to work as expected.
Fixes: 943b69ac18 ("perf parse-events: Set exclude_guest=1 for user-space counting")
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: coresight ml <coresight@lists.linaro.org>
Cc: stable@kernel.org
Link: http://lore.kernel.org/lkml/20201110063417.14467-2-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Fix a typo: s/devce_name/device_name.
Fixes: fe0aed19b2 ("perf test: Introduce script for Arm CoreSight testing")
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: coresight ml <coresight@lists.linaro.org>
Cc: stable@kernel.org
Link: http://lore.kernel.org/lkml/20201110063417.14467-1-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To bring in the change made in this cset:
4d6ffa27b8 ("x86/lib: Change .weak to SYM_FUNC_START_WEAK for arch/x86/lib/mem*_64.S")
6dcc5627f6 ("x86/asm: Change all ENTRY+ENDPROC to SYM_FUNC_*")
I needed to define SYM_FUNC_START_LOCAL() as SYM_L_GLOBAL as
mem{cpy,set}_{orig,erms} are used by 'perf bench'.
This silences these perf tools build warnings:
Warning: Kernel ABI header at 'tools/arch/x86/lib/memcpy_64.S' differs from latest version at 'arch/x86/lib/memcpy_64.S'
diff -u tools/arch/x86/lib/memcpy_64.S arch/x86/lib/memcpy_64.S
Warning: Kernel ABI header at 'tools/arch/x86/lib/memset_64.S' differs from latest version at 'arch/x86/lib/memset_64.S'
diff -u tools/arch/x86/lib/memset_64.S arch/x86/lib/memset_64.S
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Fangrui Song <maskray@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
When execute command "perf lock report", it hits failure and outputs log
as follows:
perf: builtin-lock.c:623: report_lock_release_event: Assertion `!(seq->read_count < 0)' failed.
Aborted
This is an imbalance issue. The locking sequence structure
"lock_seq_stat" contains the reader counter and it is used to check if
the locking sequence is balance or not between acquiring and releasing.
If the tool wrongly frees "lock_seq_stat" when "read_count" isn't zero,
the "read_count" will be reset to zero when allocate a new structure at
the next time; thus it causes the wrong counting for reader and finally
results in imbalance issue.
To fix this issue, if detects "read_count" is not zero (means still have
read user in the locking sequence), goto the "end" tag to skip freeing
structure "lock_seq_stat".
Fixes: e4cef1f650 ("perf lock: Fix state machine to recognize lock sequence")
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20201104094229.17509-2-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The tracepoint "lock:lock_acquire" contains field "flags" but not
"flag". Current code wrongly retrieves value from field "flag" and it
always gets zero for the value, thus "perf lock" doesn't report the
correct result.
This patch replaces the field name "flag" with "flags", so can read out
the correct flags for locking.
Fixes: e4cef1f650 ("perf lock: Fix state machine to recognize lock sequence")
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20201104094229.17509-1-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Use the discovery data from the Chrome EC to register parter altmodes
with the Type C Connector Class framework. Also introduce a node
struct to keep track of the list of registered alt modes.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20201029222738.482366-8-pmalani@chromium.org
Use EC_CMD_TYPE_DISCOVERY to retrieve and store the discovery data for
the port partner. With that data, update the PD Identity VDO values for
the partner, which were earlier not initialized.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20201029222738.482366-7-pmalani@chromium.org
Make a call to the newly introduced EC_CMD_TYPEC_STATUS command.
Currently we just check to see if the SOP (port-partner) discovery was
done and emit a debug level print for it.
Subsequent patches will retrieve and parse the discovery data and fill
out the Type C connector class data structures.
Also check the EC_FEATURE_TYPEC_CMD feature flag at probe, and only call
the new TYPEC_STATUS command if the feature flag is supported.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201029222738.482366-6-pmalani@chromium.org
Import the EC_CMD_TYPEC_STATUS and EC_CMD_TYPEC_DISCOVERY Chrome OS EC
host commands from the EC code base [1].
These commands can be used by the application processor to query Power
Delivery (PD) discovery information concerning connected Type C
peripherals.
Also add the EC_FEATURE_TYPEC_CMD feature flag, which is used to
determine whether these commands are supported by the EC.
[1]:
https://chromium.googlesource.com/chromiumos/platform/ec/+/refs/heads/master/include/ec_commands.h
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201029222738.482366-5-pmalani@chromium.org
The partner identity struct isn't reset when a partner is removed,
meaning a subsequent partner can inherit an old partner's identity VDOs
before discovery is complete. So, clear that struct when a partner
removal is detected.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201029222738.482366-4-pmalani@chromium.org
The cros_unregister_ports() function can be called in situations where
the partner has not been registered yet, and so its related data
structures would not have been initialized. Calling
cros_typec_remove_partner() in such a situation can lead to null pointer
dereferences. So, only call cros_typec_remove_partner() if there is a
valid registered partner pointer.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201029222738.482366-3-pmalani@chromium.org
Move the cros_typec_set_port_params_v0/v1() functions closer to the
place where they are called, cros_typec_port_update().
While we are performing the relocation, also move cros_typec_get_mux_info()
closer to its call-site.
No functional changes are introduced by this commit.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Link: https://lore.kernel.org/r/20201029222738.482366-2-pmalani@chromium.org
Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/via/via_dma.c: In function ‘via_cmdbuf_jump’:
drivers/gpu/drm/via/via_dma.c:596:11: warning: variable ‘agp_base’ set but not used [-Wunused-but-set-variable]
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201112190039.2785914-5-lee.jones@linaro.org
The EC sends an RTC host event when the RTC fires, but we don't need to
treat that as a wakeup event here. The RTC class already properly
handles activating and deactivating a wakeup source in rtc_update_irq()
by calling pm_stay_awake() at the start of processing and pm_relax()
once all expired RTC timers have been processed. This reduces one wakeup
increment but not much else. I noticed this while debugging RTC wakeups
and how they always incremented the wakeup count by two instead of one
because this is duplicated.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc: Guenter Roeck <groeck@chromium.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: <linux-rtc@vger.kernel.org>
Link: https://lore.kernel.org/r/20201030232523.2654478-1-swboyd@chromium.org
No functional changes. This patch just moves some mode checks
around to prepare for adding bigjoiner related mode validation
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201112023954.12301-1-manasi.d.navare@intel.com
The imx-ssi driver was only used by i.MX non-DT platforms.
Since 5.10-rc1, i.MX has been converted to a DT-only platform and all
board files are gone.
Remove the imx-ssi audio driver as there are no more users at all.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20201110203937.25684-6-festevam@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
SND_SOC_IMX_SSI was only used by i.MX non-DT platforms.
SND_SOC_EUKREA_TLV320 already selects the SND_SOC_FSL_SSI symbol,
which is enough.
Remove the unneeded SND_SOC_IMX_SSI selection.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20201110203937.25684-5-festevam@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The imx-mc13783 was used on imx27-pdk and imx31-pdk non-DT platforms.
Since 5.10-rc1, i.MX has been converted to a DT-only platform and all
board files are gone.
Remove the imx-mc13783 audio machine driver as there is no user at all.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20201110203937.25684-4-festevam@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Since commit e1324ece2a ("ARM: imx: Remove i.MX35 board files"), the
MACH_PCM043 and MACH_PCA100 non-DT platform are no longer supported,
so get rid of their machine audio driver too.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20201110203937.25684-3-festevam@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Since commit 879c0e5e0a ("ARM: imx: Remove i.MX27 board files"), the
MACH_IMX27_VISSTRIM_M10 non-DT platform is no longer supported,
so get rid of its machine audio driver too.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20201110203937.25684-2-festevam@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Since commit c93197b004 ("ARM: imx: Remove i.MX31 board files"), the
MACH_MX31ADS_WM1133_EV1 non-DT platform is no longer supported,
so get rid of its machine audio driver too.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20201110203937.25684-1-festevam@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Here's my proposal to fix the use-after-free bugs reported by
Sascha Hauer and Florian Fainelli:
I scrutinized all SPI drivers in the v5.10 tree:
* There are 9 drivers with a use-after-free in the ->remove() hook
caused by accessing driver private data after spi_unregister_controller().
* There are 8 drivers which leak the spi_controller in the ->probe()
error path because of a missing spi_controller_put().
I'm introducing devm_spi_alloc_master/slave() which automatically
calls spi_controller_put() on ->remove(). This fixes both classes
of bugs while at the same time reducing code amount and complexity
in the ->probe() hook.
I propose that spi_controller_unregister() should no longer release
a reference on the spi_controller. Instead, drivers need to either
do it themselves or use one of the devm functions introduced herein.
The vast majority of drivers can be converted to the devm functions.
See the commit message of patch [1/4] for the rationale and details.
Enclosed are patches for 3 Broadcom drivers.
Patches for the other drivers are on this branch:
https://github.com/l1k/linux/commits/spi_fixes
@Florian Fainelli: Could you verify that there are no KASAN splats or
leaks with these patches? Unfortunately I do not have any SPI-capable
hardware at my disposal right now, so can only compile-test. You may
want to augment spi_controller_release() with a printk() to log when
the spi_controller is freed.
@Mark Brown: Patches [2/4] to [4/4] reference the SHA-1 of patch [1/4]
in their stable tags. Because the hash is unknown to me until you apply
the patch, I've used "123456789abc" as a placeholder. You'll have to
replace the hash if/when applying. Alternatively, only apply patch [1/4]
and I'll repost the other patches with the hash fixed up.
Thanks!
Lukas Wunner (4):
spi: Introduce device-managed SPI controller allocation
spi: bcm2835: Fix use-after-free on unbind
spi: bcm2835aux: Fix use-after-free on unbind
spi: bcm-qspi: Fix use-after-free on unbind
drivers/spi/spi-bcm-qspi.c | 34 ++++++++-------------
drivers/spi/spi-bcm2835.c | 24 +++++----------
drivers/spi/spi-bcm2835aux.c | 21 +++++--------
drivers/spi/spi.c | 58 +++++++++++++++++++++++++++++++++++-
include/linux/spi/spi.h | 19 ++++++++++++
5 files changed, 103 insertions(+), 53 deletions(-)
--
2.28.0
Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/sti/sti_hdmi.h:36:40: warning: ‘colorspace_mode_names’ defined but not used [-Wunused-const-variable=]
36 | static const struct drm_prop_enum_list colorspace_mode_names[] = {
| ^~~~~~~~~~~~~~~~~~~~~
Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Vincent Abriou <vincent.abriou@st.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201112190039.2785914-28-lee.jones@linaro.org
The precedent has already been set by other macros in the same file.
Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/vkms/vkms_drv.c:55:19: warning: variable ‘crtc’ set but not used [-Wunused-but-set-variable]
55 | struct drm_crtc *crtc;
| ^~~~
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>
Cc: Rob Clark <robdclark@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201112190039.2785914-3-lee.jones@linaro.org
The comment about them (also removed) says:
/* fb_rsrc and aper_rsrc aren't really used currently, but still exist
* in case we decide we need information on the BAR for BSD in the
* future.
*/
Well that was written 12 years ago in 2008. We are now in the future
and they are still superfluous. We can always add them again at a
later date if they are ever required.
Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/savage/savage_bci.c: In function ‘savage_driver_firstopen’:
drivers/gpu/drm/savage/savage_bci.c:580:24: warning: variable ‘aper_rsrc’ set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/savage/savage_bci.c:580:15: warning: variable ‘fb_rsrc’ set but not used [-Wunused-but-set-variable]
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201112190039.2785914-2-lee.jones@linaro.org
Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c:283:6: warning: no previous prototype for ‘atmel_hlcdc_plane_setup_scaler’ [-Wmissing-prototypes]
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Boris Brezillon <bbrezillon@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201112190039.2785914-17-lee.jones@linaro.org
Andrii has been a de-facto maintainer for libbpf and other components.
Update maintainers entry to acknowledge his work de-jure.
The folks with git write permissions will continue to follow the rule
of not applying their own patches unless absolutely trivial.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20201112180340.45265-1-alexei.starovoitov@gmail.com
Make $(LIBBPF)-clean and $(LIBBPF_BOOTSTRAP)-clean .PHONY targets, in
case those files exist. And keep consistency within the Makefile by
making the directory dependencies order-only.
Suggested-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20201112091049.3159055-2-jean-philippe@linaro.org
- Fix documentation regarding GPIO properties (Andy Shevchenko).
- Fix spelling mistakes in ACPI documentation (Flavio Suligoi).
- Fix white space inconsistencies in ACPI code (Maximilian Luz).
- Fix string formatting in the ACPI Generic Event Device (GED)
driver (Nick Desaulniers).
- Add Intel Alder Lake device IDs to the ACPI drivers used by the
Dynamic Platform and Thermal Framework (Srinivas Pandruvada).
- Add lid-related DMI quirk for Medion Akoya E2228T to the ACPI
button driver (Hans de Goede).
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Merge tag 'acpi-5.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These are mostly docmentation fixes and janitorial changes plus some
new device IDs and a new quirk.
Specifics:
- Fix documentation regarding GPIO properties (Andy Shevchenko)
- Fix spelling mistakes in ACPI documentation (Flavio Suligoi)
- Fix white space inconsistencies in ACPI code (Maximilian Luz)
- Fix string formatting in the ACPI Generic Event Device (GED) driver
(Nick Desaulniers)
- Add Intel Alder Lake device IDs to the ACPI drivers used by the
Dynamic Platform and Thermal Framework (Srinivas Pandruvada)
- Add lid-related DMI quirk for Medion Akoya E2228T to the ACPI
button driver (Hans de Goede)"
* tag 'acpi-5.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: DPTF: Support Alder Lake
Documentation: ACPI: fix spelling mistakes
ACPI: button: Add DMI quirk for Medion Akoya E2228T
ACPI: GED: fix -Wformat
ACPI: Fix whitespace inconsistencies
ACPI: scan: Fix acpi_dma_configure_id() kerneldoc name
Documentation: firmware-guide: gpio-properties: Clarify initial output state
Documentation: firmware-guide: gpio-properties: active_low only for GpioIo()
Documentation: firmware-guide: gpio-properties: Fix factual mistakes
