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2023-01-20octeontx2-af: update cpt lf alloc mailboxSrujana Challa
The CN10K CPT coprocessor contains a context processor to accelerate updates to the IPsec security association contexts. The context processor contains a context cache. This patch updates CPT LF ALLOC mailbox to config ctx_ilen requested by VFs. CPT_LF_ALLOC:ctx_ilen is the size of initial context fetch. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20octeontx2-af: restore rxc conf after teardown sequenceNithin Dabilpuram
CN10K CPT coprocessor includes a component named RXC which is responsible for reassembly of inner IP packets. RXC has the feature to evict oldest entries based on age/threshold. The age/threshold is being set to minimum values to evict all entries at the time of teardown. This patch adds code to restore timeout and threshold config after teardown sequence is complete as it is global config. Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20octeontx2-af: optimize cpt pf identificationSrujana Challa
Optimize CPT PF identification in mbox handling for faster mbox response by doing it at AF driver probe instead of every mbox message. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20octeontx2-af: modify FLR sequence for CPTSrujana Challa
On OcteonTX2 platform CPT instruction enqueue is only possible via LMTST operations. The existing FLR sequence mentioned in HRM requires a dummy LMTST to CPT but LMTST can't be submitted from AF driver. So, HW team provided a new sequence to avoid dummy LMTST. This patch adds code for the same. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20octeontx2-af: add mbox for CPT LF resetSrujana Challa
On OcteonTX2 SoC, the admin function (AF) is the only one with all priviliges to configure HW and alloc resources, PFs and it's VFs have to request AF via mailbox for all their needs. This patch adds a new mailbox for CPT VFs to request for CPT LF reset. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20octeontx2-af: recover CPT engine when it gets faultSrujana Challa
When CPT engine has uncorrectable errors, it will get halted and must be disabled and re-enabled. This patch adds code for the same. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20drm/i915: move GT_FREQUENCY_MULTIPLIER and GEN9_FREQ_SCALER to intel_rps.hJani Nikula
Declutter i915_drv.h. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Acked-by: Nirmoy Das <nirmoy.das@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230118131538.3558599-7-jani.nikula@intel.com
2023-01-20drm/i915: move I915_COLOR_UNEVICTABLE to i915_gem_gtt.hJani Nikula
Declutter i915_drv.h. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Acked-by: Nirmoy Das <nirmoy.das@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230118131538.3558599-6-jani.nikula@intel.com
2023-01-20drm/i915: move I915_GEM_GPU_DOMAINS to i915_gem.hJani Nikula
Declutter i915_drv.h. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Nirmoy Das <nirmoy.das@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230118131538.3558599-5-jani.nikula@intel.com
2023-01-20drm/i915: move a few HAS_ macros closer to their placeJani Nikula
There's not that much organization with where the various HAS_FEATURE() macros are placed, but at least try to group them closer together. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Nirmoy Das <nirmoy.das@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230118131538.3558599-4-jani.nikula@intel.com
2023-01-20drm/i915: drop a number of unnecessary forward declarationsJani Nikula
Remove leftovers from earlier cleanups. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Acked-by: Nirmoy Das <nirmoy.das@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230118131538.3558599-3-jani.nikula@intel.com
2023-01-20drm/i915: move I915_IDLE_ENGINES_TIMEOUT next to its only userJani Nikula
Declutter i915_drv.h. If there's ever a need to use this in more than one place, we can figure out a better spot then. For now, this seems easiest. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Acked-by: Nirmoy Das <nirmoy.das@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230118131538.3558599-2-jani.nikula@intel.com
2023-01-20drm/i915: add i915_config.h and move relevant declarations thereJani Nikula
We already have i915_config.c. Add the i915_config.h counterpart, and declutter i915_drv.h in the process. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Acked-by: Nirmoy Das <nirmoy.das@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230118131538.3558599-1-jani.nikula@intel.com
2023-01-20Merge tag 'amd-drm-fixes-6.2-2023-01-19' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-fixes amd-drm-fixes-6.2-2023-01-19: amdgpu: - Fix display scaling - Fix RN/CZN power reporting on some firmware versions - Colorspace fixes - Fix resource freeing in error case in CS IOCTL - Fix warning on driver unload - GC11 fixes - DCN 3.1.4/5 S/G display workarounds Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230119195908.7670-1-alexander.deucher@amd.com
2023-01-20Merge tag 'drm-misc-fixes-2023-01-19' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes A fix for vc4 to address a memory leak when allocating a buffer, a Kconfig fix for panfrost and two fixes for i915 and fb-helper to address some bugs with vga-switcheroo. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20230119082059.h32bs7zqoxmjbcvn@houat
2023-01-20Merge tag 'drm-intel-fixes-2023-01-19' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-intel into drm-fixes - Reject display plane with height == 0 (Drew) - re-disable RC6p on Sandy Bridge (Sasa) - Fix hugepages' selftest (Chris) - DG2 hw workarounds (Matt Atwood) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/Y8mf3/ANNWctpc7R@intel.com
2023-01-19drm/amd/display: remove duplicate included header filesye xingchen
resource.h is included more than once. Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amdgpu: return the PCIe gen and lanes from the INFO ioctlMarek Olšák
For computing PCIe bandwidth in userspace and troubleshooting PCIe bandwidth issues. Note that this intentionally fills holes and padding in drm_amdgpu_info_device. Mesa MR: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20790 Signed-off-by: Marek Olšák <marek.olsak@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amdgpu: print bo inode number instead of ptrPierre-Eric Pelloux-Prayer
This allows to correlate the infos printed by /sys/kernel/debug/dri/n/amdgpu_gem_info to the ones found in /proc/.../fdinfo and /sys/kernel/debug/dma_buf/bufinfo. Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amdgpu: retire unused get_umc_v6_7_channel_indexTao Zhou
Fix the following compile warning: drivers/gpu/drm/amd/amdgpu/umc_v6_7.c:53:24: warning: unused function 'get_umc_v6_7_channel_index' [-Wunused-function] static inline uint32_t get_umc_v6_7_channel_index(struct amdgpu_device *adev, ^ 1 warning generated. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amdgpu: Optimize sdma ras block initialization code for sdma v4_0YiPeng Chai
Optimize sdma ras block initialization code for sdma v4_0. Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com> Reviewed-by: Tao Zhou <tao.zhou1@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amd/display: fix hdmi_encoded_link_bw definitionArnd Bergmann
Some of the data structures are hidden when CONFIG_DRM_AMD_DC_DCN is disabled, which leads to a link failure: drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_capability.c:234:21: error: 'union hdmi_encoded_link_bw' declared inside parameter list will not be visible outside of this definition or declaration [-Werror] 234 | const union hdmi_encoded_link_bw hdmi_encoded_link_bw) | ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_capability.c:234:42: error: parameter 2 ('hdmi_encoded_link_bw') has incomplete type 234 | const union hdmi_encoded_link_bw hdmi_encoded_link_bw) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_capability.c:232:17: error: function declaration isn't a prototype [-Werror=strict-prototypes] 232 | static uint32_t intersect_frl_link_bw_support( | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_capability.c: In function 'get_active_converter_info': drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_capability.c:1126:76: error: storage size of 'hdmi_encoded_link_bw' isn't known 1126 | union hdmi_encoded_link_bw hdmi_encoded_link_bw; | ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_capability.c:1130:101: error: 'struct <anonymous>' has no member named 'MAX_ENCODED_LINK_BW_SUPPORT' 1130 | hdmi_color_caps.bits.MAX_ENCODED_LINK_BW_SUPPORT); There is probably no need to hide the data structure, and removing the #ifdef makes it build cleanly. Fixes: d5a43956b73b ("drm/amd/display: move dp capability related logic to link_dp_capability") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amd/display: fix dp_retrieve_lttpr_cap() return valueArnd Bergmann
gcc-13 notices a mismatch between the return type of dp_retrieve_lttpr_cap() and the returned value: drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_capability.c: In function 'dp_retrieve_lttpr_cap': drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_capability.c:1465:24: error: implicit conversion from 'enum <anonymous>' to 'enum dc_status' [-Werror=enum-conversion] 1465 | return false; | ^~~~~ Change the value to an actual dc_status code and remove the bogus initialization that was apparently meant to get returned here. Fixes: b473bd5fc333 ("drm/amd/display: refine wake up aux in retrieve link caps") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amdgpu: Add sdma ras function on sdma v6_0_3YiPeng Chai
Add sdma ras function on sdma v6_0_3. Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com> Reviewed-by: Tao Zhou <tao.zhou1@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amd/display: disable S/G display on DCN 3.1.4Alex Deucher
Causes flickering or white screens in some configurations. Disable it for now until we can fix the issue. Cc: roman.li@amd.com Cc: yifan1.zhang@amd.com Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Roman Li <Roman.Li@amd.com> Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amd/display: disable S/G display on DCN 3.1.5Alex Deucher
Causes flickering or white screens in some configurations. Disable it for now until we can fix the issue. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2354 Cc: roman.li@amd.com Cc: yifan1.zhang@amd.com Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amd: decrease message about missing PSP runtime database to debugMario Limonciello
Laptops with APUs from a variety of manufacturers and generations show a warning about a missing PSP runtime database. As it's not required for PSP to dump this database into framebuffer, decrease messages about it missing to debug. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amd/display: Decrease messaging about DP alt mode state to debugMario Limonciello
Currently plugging in a USB-C device that issues an HPD will emit a warning level message `DP Alt mode state on HPD: %d`. This is needlessly noisy for most people, decrease it to debug so that it can be turned on by dynamic debug as needed. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amdgpu/vcn4: fail to schedule IB for AV1 if VCN0 is harvestedAlex Deucher
Only VCN0 supports AV1. Reviewed-by: Leo Liu <leo.liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amdgpu/soc21: don't expose AV1 if VCN0 is harvestedAlex Deucher
Only VCN0 supports AV1. Reviewed-by: Leo Liu <leo.liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amdgpu/vcn3: fail to schedule IB for AV1 if VCN0 is harvestedAlex Deucher
Only VCN0 supports AV1. Reviewed-by: Leo Liu <leo.liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19drm/amdgpu/nv: don't expose AV1 if VCN0 is harvestedAlex Deucher
Only VCN0 supports AV1. Reviewed-by: Leo Liu <leo.liu@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-01-19acpi: Fix suspend with Xen PVJuergen Gross
Commit f1e525009493 ("x86/boot: Skip realmode init code when running as Xen PV guest") missed one code path accessing real_mode_header, leading to dereferencing NULL when suspending the system under Xen: [ 348.284004] PM: suspend entry (deep) [ 348.289532] Filesystems sync: 0.005 seconds [ 348.291545] Freezing user space processes ... (elapsed 0.000 seconds) done. [ 348.292457] OOM killer disabled. [ 348.292462] Freezing remaining freezable tasks ... (elapsed 0.104 seconds) done. [ 348.396612] printk: Suspending console(s) (use no_console_suspend to debug) [ 348.749228] PM: suspend devices took 0.352 seconds [ 348.769713] ACPI: EC: interrupt blocked [ 348.816077] BUG: kernel NULL pointer dereference, address: 000000000000001c [ 348.816080] #PF: supervisor read access in kernel mode [ 348.816081] #PF: error_code(0x0000) - not-present page [ 348.816083] PGD 0 P4D 0 [ 348.816086] Oops: 0000 [#1] PREEMPT SMP NOPTI [ 348.816089] CPU: 0 PID: 6764 Comm: systemd-sleep Not tainted 6.1.3-1.fc32.qubes.x86_64 #1 [ 348.816092] Hardware name: Star Labs StarBook/StarBook, BIOS 8.01 07/03/2022 [ 348.816093] RIP: e030:acpi_get_wakeup_address+0xc/0x20 Fix that by adding an optional acpi callback allowing to skip setting the wakeup address, as in the Xen PV case this will be handled by the hypervisor anyway. Fixes: f1e525009493 ("x86/boot: Skip realmode init code when running as Xen PV guest") Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com> Signed-off-by: Juergen Gross <jgross@suse.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Link: https://lore.kernel.org/all/20230117155724.22940-1-jgross%40suse.com
2023-01-20Merge tag 'drm-msm-fixes-2023-01-16' of ↵Dave Airlie
https://gitlab.freedesktop.org/drm/msm into drm-fixes msm-fixes for v6.3-rc5 Two GPU fixes which were meant to be part of the previous pull request, but I'd forgotten to fetch from gitlab after the MR was merged so that git tag was applied to the wrong commit. - kexec shutdown fix - fix potential double free Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rob Clark <robdclark@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGskguoVsz2wqAK2k+f32LwcVY5JC6+e2RwLqZswz3RY2Q@mail.gmail.com
2023-01-19Merge tag 'printk-for-6.2-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux Pull printk fixes from Petr Mladek: - Prevent a potential deadlock when configuring kgdb console - Fix a kernel doc warning * tag 'printk-for-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: kernel/printk/printk.c: Fix W=1 kernel-doc warning tty: serial: kgdboc: fix mutex locking order for configure_kgdboc()
2023-01-19thermal: core: call put_device() only after device_register() failsViresh Kumar
put_device() shouldn't be called before a prior call to device_register(). __thermal_cooling_device_register() doesn't follow that properly and needs fixing. Also thermal_cooling_device_destroy_sysfs() is getting called unnecessarily on few error paths. Fix all this by placing the calls at the right place. Based on initial work done by Caleb Connolly. Fixes: 4748f9687caa ("thermal: core: fix some possible name leaks in error paths") Fixes: c408b3d1d9bb ("thermal: Validate new state in cur_state_store()") Reported-by: Caleb Connolly <caleb.connolly@linaro.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Tested-by: Frank Rowand <frowand.list@gmail.com> Reviewed-by: Yang Yingliang <yangyingliang@huawei.com> Tested-by: Caleb Connolly <caleb.connolly@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2023-01-19Merge tag 'usb-serial-6.2-rc5' of ↵Greg Kroah-Hartman
https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus Johan writes: "USB-serial fixes for 6.2-rc5 Here are some new device ids, mostly for Quectel modems. All have been in linux-next with no reported issues." * tag 'usb-serial-6.2-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial: USB: serial: option: add Quectel EM05CN modem USB: serial: option: add Quectel EM05CN (SG) modem USB: serial: cp210x: add SCALANCE LPE-9000 device id USB: serial: option: add Quectel EC200U modem USB: serial: option: add Quectel EM05-G (RS) modem USB: serial: option: add Quectel EM05-G (GR) modem USB: serial: option: add Quectel EM05-G (CS) modem
2023-01-19net: dsa: microchip: ksz9477: port map correction in ALU table entry registerRakesh Sankaranarayanan
ALU table entry 2 register in KSZ9477 have bit positions reserved for forwarding port map. This field is referred in ksz9477_fdb_del() for clearing forward port map and alu table. But current fdb_del refer ALU table entry 3 register for accessing forward port map. Update ksz9477_fdb_del() to get forward port map from correct alu table entry register. With this bug, issue can be observed while deleting static MAC entries. Delete any specific MAC entry using "bridge fdb del" command. This should clear all the specified MAC entries. But it is observed that entries with self static alone are retained. Tested on LAN9370 EVB since ksz9477_fdb_del() is used common across LAN937x and KSZ series. Fixes: b987e98e50ab ("dsa: add DSA switch driver for Microchip KSZ9477") Signed-off-by: Rakesh Sankaranarayanan <rakesh.sankaranarayanan@microchip.com> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Link: https://lore.kernel.org/r/20230118174735.702377-1-rakesh.sankaranarayanan@microchip.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-01-19driver core: Fix test_async_probe_init saves device in wrong arrayChen Zhongjin
In test_async_probe_init, second set of asynchronous devices are saved in sync_dev[sync_id], which should be async_dev[async_id]. This makes these devices not unregistered when exit. > modprobe test_async_driver_probe && \ > modprobe -r test_async_driver_probe && \ > modprobe test_async_driver_probe ... > sysfs: cannot create duplicate filename '/devices/platform/test_async_driver.4' > kobject_add_internal failed for test_async_driver.4 with -EEXIST, don't try to register things with the same name in the same directory. Fixes: 57ea974fb871 ("driver core: Rewrite test_async_driver_probe to cover serialization and NUMA affinity") Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com> Link: https://lore.kernel.org/r/20221125063541.241328-1-chenzhongjin@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-19w1: fix WARNING after calling w1_process()Yang Yingliang
I got the following WARNING message while removing driver(ds2482): ------------[ cut here ]------------ do not call blocking ops when !TASK_RUNNING; state=1 set at [<000000002d50bfb6>] w1_process+0x9e/0x1d0 [wire] WARNING: CPU: 0 PID: 262 at kernel/sched/core.c:9817 __might_sleep+0x98/0xa0 CPU: 0 PID: 262 Comm: w1_bus_master1 Tainted: G N 6.1.0-rc3+ #307 RIP: 0010:__might_sleep+0x98/0xa0 Call Trace: exit_signals+0x6c/0x550 do_exit+0x2b4/0x17e0 kthread_exit+0x52/0x60 kthread+0x16d/0x1e0 ret_from_fork+0x1f/0x30 The state of task is set to TASK_INTERRUPTIBLE in loop in w1_process(), set it to TASK_RUNNING when it breaks out of the loop to avoid the warning. Fixes: 3c52e4e62789 ("W1: w1_process, block or sleep") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20221205101558.3599162-1-yangyingliang@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-19w1: fix deadloop in __w1_remove_master_device()Yang Yingliang
I got a deadloop report while doing device(ds2482) add/remove test: [ 162.241881] w1_master_driver w1_bus_master1: Waiting for w1_bus_master1 to become free: refcnt=1. [ 163.272251] w1_master_driver w1_bus_master1: Waiting for w1_bus_master1 to become free: refcnt=1. [ 164.296157] w1_master_driver w1_bus_master1: Waiting for w1_bus_master1 to become free: refcnt=1. ... __w1_remove_master_device() can't return, because the dev->refcnt is not zero. w1_add_master_device() | w1_alloc_dev() | atomic_set(&dev->refcnt, 2) | kthread_run() | |__w1_remove_master_device() | kthread_stop() // KTHREAD_SHOULD_STOP is set, | // threadfn(w1_process) won't be | // called. | kthread() | | // refcnt will never be 0, it's deadloop. | while (atomic_read(&dev->refcnt)) {...} After calling w1_add_master_device(), w1_process() is not really invoked, before w1_process() starting, if kthread_stop() is called in __w1_remove_master_device(), w1_process() will never be called, the refcnt can not be decreased, then it causes deadloop in remove function because of non-zero refcnt. We need to make sure w1_process() is really started, so move the set refcnt into w1_process() to fix this problem. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20221205080434.3149205-1-yangyingliang@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-19comedi: adv_pci1760: Fix PWM instruction handlingIan Abbott
(Actually, this is fixing the "Read the Current Status" command sent to the device's outgoing mailbox, but it is only currently used for the PWM instructions.) The PCI-1760 is operated mostly by sending commands to a set of Outgoing Mailbox registers, waiting for the command to complete, and reading the result from the Incoming Mailbox registers. One of these commands is the "Read the Current Status" command. The number of this command is 0x07 (see the User's Manual for the PCI-1760 at <https://advdownload.advantech.com/productfile/Downloadfile2/1-11P6653/PCI-1760.pdf>. The `PCI1760_CMD_GET_STATUS` macro defined in the driver should expand to this command number 0x07, but unfortunately it currently expands to 0x03. (Command number 0x03 is not defined in the User's Manual.) Correct the definition of the `PCI1760_CMD_GET_STATUS` macro to fix it. This is used by all the PWM subdevice related instructions handled by `pci1760_pwm_insn_config()` which are probably all broken. The effect of sending the undefined command number 0x03 is not known. Fixes: 14b93bb6bbf0 ("staging: comedi: adv_pci_dio: separate out PCI-1760 support") Cc: <stable@vger.kernel.org> # v4.5+ Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Link: https://lore.kernel.org/r/20230103143754.17564-1-abbotti@mev.co.uk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-19tty: serial: qcom_geni: avoid duplicate struct member initArnd Bergmann
When -Woverride-init is enabled in a build, gcc points out that qcom_geni_serial_pm_ops contains conflicting initializers: drivers/tty/serial/qcom_geni_serial.c:1586:20: error: initialized field overwritten [-Werror=override-init] 1586 | .restore = qcom_geni_serial_sys_hib_resume, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/tty/serial/qcom_geni_serial.c:1586:20: note: (near initialization for 'qcom_geni_serial_pm_ops.restore') drivers/tty/serial/qcom_geni_serial.c:1587:17: error: initialized field overwritten [-Werror=override-init] 1587 | .thaw = qcom_geni_serial_sys_hib_resume, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Open-code the initializers with the version that was already used, and use the pm_sleep_ptr() method to deal with unused ones, in place of the __maybe_unused annotation. Fixes: 35781d8356a2 ("tty: serial: qcom-geni-serial: Add support for Hibernation feature") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20221215165453.1864836-1-arnd@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-19serial: atmel: fix incorrect baudrate setupTobias Schramm
Commit ba47f97a18f2 ("serial: core: remove baud_rates when serial console setup") changed uart_set_options to select the correct baudrate configuration based on the absolute error between requested baudrate and available standard baudrate settings. Prior to that commit the baudrate was selected based on which predefined standard baudrate did not exceed the requested baudrate. This change of selection logic was never reflected in the atmel serial driver. Thus the comment left in the atmel serial driver is no longer accurate. Additionally the manual rounding up described in that comment and applied via (quot - 1) requests an incorrect baudrate. Since uart_set_options uses tty_termios_encode_baud_rate to determine the appropriate baudrate flags this can cause baudrate selection to fail entirely because tty_termios_encode_baud_rate will only select a baudrate if relative error between requested and selected baudrate does not exceed +/-2%. Fix that by requesting actual, exact baudrate used by the serial. Fixes: ba47f97a18f2 ("serial: core: remove baud_rates when serial console setup") Cc: stable <stable@kernel.org> Signed-off-by: Tobias Schramm <t.schramm@manjaro.org> Acked-by: Richard Genoud <richard.genoud@gmail.com> Link: https://lore.kernel.org/r/20230109072940.202936-1-t.schramm@manjaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-19tty: fix possible null-ptr-defer in spk_ttyio_releaseGaosheng Cui
Run the following tests on the qemu platform: syzkaller:~# modprobe speakup_audptr input: Speakup as /devices/virtual/input/input4 initialized device: /dev/synth, node (MAJOR 10, MINOR 125) speakup 3.1.6: initialized synth name on entry is: (null) synth probe spk_ttyio_initialise_ldisc failed because tty_kopen_exclusive returned failed (errno -16), then remove the module, we will get a null-ptr-defer problem, as follow: syzkaller:~# modprobe -r speakup_audptr releasing synth audptr BUG: kernel NULL pointer dereference, address: 0000000000000080 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 0 P4D 0 Oops: 0002 [#1] PREEMPT SMP PTI CPU: 2 PID: 204 Comm: modprobe Not tainted 6.1.0-rc6-dirty #1 RIP: 0010:mutex_lock+0x14/0x30 Call Trace: <TASK> spk_ttyio_release+0x19/0x70 [speakup] synth_release.part.6+0xac/0xc0 [speakup] synth_remove+0x56/0x60 [speakup] __x64_sys_delete_module+0x156/0x250 ? fpregs_assert_state_consistent+0x1d/0x50 do_syscall_64+0x37/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd </TASK> Modules linked in: speakup_audptr(-) speakup Dumping ftrace buffer: in_synth->dev was not initialized during modprobe, so we add check for in_synth->dev to fix this bug. Fixes: 4f2a81f3a882 ("speakup: Reference synth from tty and tty from synth") Cc: stable <stable@kernel.org> Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> Link: https://lore.kernel.org/r/20221202060633.217364-1-cuigaosheng1@huawei.com Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-19Merge tag 'mlx5-fixes-2023-01-18' of ↵Paolo Abeni
git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux Saeed Mahameed says: ==================== This series provides bug fixes to mlx5 driver. * tag 'mlx5-fixes-2023-01-18' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux: net: mlx5: eliminate anonymous module_init & module_exit net/mlx5: E-switch, Fix switchdev mode after devlink reload net/mlx5e: Protect global IPsec ASO net/mlx5e: Remove optimization which prevented update of ESN state net/mlx5e: Set decap action based on attr for sample net/mlx5e: QoS, Fix wrongfully setting parent_element_id on MODIFY_SCHEDULING_ELEMENT net/mlx5: E-switch, Fix setting of reserved fields on MODIFY_SCHEDULING_ELEMENT net/mlx5e: Remove redundant xsk pointer check in mlx5e_mpwrq_validate_xsk net/mlx5e: Avoid false lock dependency warning on tc_ht even more net/mlx5: fix missing mutex_unlock in mlx5_fw_fatal_reporter_err_work() ==================== Link: https://lore.kernel.org/r/ Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-01-19drm/panel: vtdr6130: fix unused ret in visionox_vtdr6130_bl_update_statusNeil Armstrong
Fix the following warning: panel-visionox-vtdr6130.c:249:12: warning: 'ret' is used uninitialized [-Wuninitialized] Fixes: 9402cde9347e ("drm/panel: vtdr6130: Use 16-bit brightness function") Reported-by: Daniel Vetter <daniel@ffwll.ch> Reported-by: kernel test robot <lkp@intel.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230119-topic-sm8550-vtdr6130-fixup-v1-1-82c4fb008138@linaro.org
2023-01-19Merge branch 'rework/console-list-lock' into for-linusPetr Mladek
2023-01-19serial: stm32: Merge hard IRQ and threaded IRQ handling into single IRQ handlerMarek Vasut
Requesting an interrupt with IRQF_ONESHOT will run the primary handler in the hard-IRQ context even in the force-threaded mode. The force-threaded mode is used by PREEMPT_RT in order to avoid acquiring sleeping locks (spinlock_t) in hard-IRQ context. This combination makes it impossible and leads to "sleeping while atomic" warnings. Use one interrupt handler for both handlers (primary and secondary) and drop the IRQF_ONESHOT flag which is not needed. Fixes: e359b4411c283 ("serial: stm32: fix threaded interrupt handling") Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Tested-by: Valentin Caron <valentin.caron@foss.st.com> # V3 Signed-off-by: Marek Vasut <marex@denx.de> Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20230112180417.25595-1-marex@denx.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-19serial: amba-pl011: fix high priority character transmission in rs486 modeLino Sanfilippo
In RS485 mode the transmission of a high priority character fails since it is written to the data register before the transmitter is enabled. Fix this in pl011_tx_chars() by enabling RS485 transmission before writing the character. Fixes: 8d479237727c ("serial: amba-pl011: add RS485 support") Cc: stable@vger.kernel.org Signed-off-by: Lino Sanfilippo <l.sanfilippo@kunbus.com> Link: https://lore.kernel.org/r/20230108181735.10937-1-LinoSanfilippo@gmx.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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