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Add link training process functions in this moduel.
Signed-off-by: Baihan Li <libaihan@huawei.com>
Signed-off-by: Yongbang Shi <shiyongbang@huawei.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250103093824.1963816-3-shiyongbang@huawei.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Add dp aux read/write functions. They are basic functions
and will be used later.
Signed-off-by: Baihan Li <libaihan@huawei.com>
Signed-off-by: Yongbang Shi <shiyongbang@huawei.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250103093824.1963816-2-shiyongbang@huawei.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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DDI might be HDMI or DP only, leaving the other encoder
uninitialized. Calling the shutdown hook on an uninitialized encoder may
lead to a NULL pointer dereference. Check the encoder types (and thus
validity via the DP output_reg or HDMI hdmi_reg checks) before calling
the hooks.
Reported-and-tested-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Closes: https://lore.kernel.org/r/20241031105145.2140590-1-senozhatsky@chromium.org
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8b197c50e7f3be2bbc07e3935b21e919815015d5.1735568047.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Similar to intel_encoder_is_dp() and friends.
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Tested-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/e6bf9e01deb5d0d8b566af128a762d1313638847.1735568047.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Errors from intel_ddi_init_hdmi_connector() can just mean "there's no
HDMI" while we'll still want to continue with DP only. Handle the errors
gracefully, but don't propagate. Clear the hdmi_reg which is used as a
proxy to indicate the HDMI is initialized.
v2: Gracefully handle but do not propagate
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Reported-and-tested-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Closes: https://lore.kernel.org/r/20241031105145.2140590-1-senozhatsky@chromium.org
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org> # v1
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/d72cb54ac7cc5ca29b3b9d70e4d368ea41643b08.1735568047.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Handle encoder and connector init failures in g4x_hdmi_init(). This is
similar to g4x_dp_init().
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Reported-and-tested-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Closes: https://lore.kernel.org/r/20241031105145.2140590-1-senozhatsky@chromium.org
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/cafae7bf1f9ffb8f6a1d7a508cd2ce7dcf06fef7.1735568047.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Propagate errors from intel_hdmi_init_connector() to be able to handle
them at callers. This is similar to intel_dp_init_connector().
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Reported-and-tested-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Closes: https://lore.kernel.org/r/20241031105145.2140590-1-senozhatsky@chromium.org
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/cdaf9e32cc4880c46e120933438c37b4d87be12e.1735568047.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The caller doesn't actually need the returned struct intel_connector;
it's stored in the ->attached_connector of intel_dp and
intel_hdmi. Switch to returning an int with 0 for success and negative
errors codes to be able to indicate success even when we don't have a
connector.
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Tested-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/8ef7fe838231919e85eaead640c51ad3e4550d27.1735568047.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Instead of distributing the memory allocation and pointer arithmetic to
place slib and sl on the page that is allocated for them over multiple
functions and comments, move both into the same context directly next to
each other, so that the knowledge of how this is done is immediately
visible.
The actual layout in memory doesn't change with this, just the structure
of the code to achieve it.
Signed-off-by: Benjamin Block <bblock@linux.ibm.com>
Reviewed-by: Steffen Maier <maier@linux.ibm.com>
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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ccw_device_get_ciw() already uses array indices to iterate over the vector
of CIWs, but then switches to pointer arithmetic when returning the one it
found. Change this to make it more consistent.
Signed-off-by: Benjamin Block <bblock@linux.ibm.com>
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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This feature is not only utilized by OSA, but by QDIO in general. Clear
up possible confusions.
Signed-off-by: Benjamin Block <bblock@linux.ibm.com>
Reviewed-by: Steffen Maier <maier@linux.ibm.com>
Acked-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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Return value of ipmi_destroy_user() has no meaning, because it's always
zero and callers can do nothing with it. And in most cases it's not
checked. So make this function return void. This also will eliminate static
code analyzer warnings such as unreachable code/redundant comparison when
the return value is checked against non-zero value.
Found by Linux Verification Center (linuxtesting.org) with Svace.
Signed-off-by: Vitaliy Shevtsov <v.shevtsov@maxima.ru>
Message-ID: <20241225014532.20091-1-v.shevtsov@maxima.ru>
Signed-off-by: Corey Minyard <corey@minyard.net>
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ipc_mmio_init() used the post-decrement operator in its loop continuing
condition of "retries" counter being "> 0", which meant that when this
condition caused loop exit "retries" counter reached -1.
But the later valid exec stage failure check only tests for "retries"
counter being exactly zero, so it didn't trigger in this case (but
would wrongly trigger if the code reaches a valid exec stage in the
very last loop iteration).
Fix this by using the pre-decrement operator instead, so the loop counter
is exactly zero on valid exec stage failure.
Fixes: dc0514f5d828 ("net: iosm: mmio scratchpad")
Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Link: https://patch.msgid.link/8b19125a825f9dcdd81c667c1e5c48ba28d505a6.1735490770.git.mail@maciej.szmigiero.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix cmd_rcgr offset for blsp1_uart6_apps_clk_src on mdm9607 platform.
Fixes: 48b7253264ea ("clk: qcom: Add MDM9607 GCC driver")
Cc: stable@vger.kernel.org
Signed-off-by: Satya Priya Kakitapalli <quic_skakitap@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20241220095048.248425-1-quic_skakitap@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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If the rmii_refclk_ext boolean is set, configure the ENET QOS TX_CLK pin
direction to input. Otherwise, it defaults to output.
That mirrors what is already happening for the imx8mp in the
imx8mp_set_intf_mode function.
Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>
Link: https://patch.msgid.link/20241227095923.4414-1-othacehe@gnu.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In efx_tc_ct_zone_ht_params, the key_len was previously set to
offsetof(struct efx_tc_ct_zone, linkage). This calculation is incorrect
because it includes any padding between the zone field and the linkage
field due to structure alignment, which can vary between systems.
This patch updates key_len to use sizeof_field(struct efx_tc_ct_zone, zone)
, ensuring that the hash table correctly uses the zone as the key. This fix
prevents potential hash lookup errors and improves connection tracking
reliability.
Fixes: c3bb5c6acd4e ("sfc: functions to register for conntrack zone offload")
Signed-off-by: Liang Jie <liangjie@lixiang.com>
Acked-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://patch.msgid.link/20241230093709.3226854-1-buaajxlj@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The sysfs core now allows instances of 'struct bin_attribute' to be
moved into read-only memory. Make use of that to protect them against
accidental or malicious modifications.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20241222-sysfs-const-bin_attr-ptp-v1-1-5c1f3ee246fb@weissschuh.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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genphy_c45_write_eee_adv() becomes a no-op if phydev->supported_eee
is cleared. That's not what we want because this function is still
needed to clear the EEE advertisement register(s).
Fill phydev->eee_broken_modes instead to ensure that userspace
can't re-enable EEE advertising.
Fixes: b55498ff14bd ("net: phy: add phy_disable_eee")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/57e2ae5f-4319-413c-b5c4-ebc8d049bc23@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
Driver Changes:
- A couple of OA fixes squashed for stable backporting (Umesh)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z3bur0RmH6-70YSh@fedora
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https://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung into devel
Samsung pinctrl drivers changes for v6.14
Two fixes for very old issues around error handling and also one
cleanup.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
drm-misc-fixes for v6.13-rc6:
- Only fixes for adv7511 driver, including a use-after-free.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f58429b7-5f11-4b78-b577-de32b41299ea@linux.intel.com
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https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes
- Fix C10 pll programming sequence [cx0_phy] (Suraj Kandpal)
- Fix power gate sequence. [dg1] (Rodrigo Vivi)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Tvrtko Ursulin <tursulin@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z2wKf7tmElKFdnoP@linux
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
UAPI Changes:
- Revert some devcoredump file format changes
breaking a mesa debug tool (John)
Driver Changes:
- Fixes around waits when moving to system (Nirmoy)
- Fix a typo when checking for LMEM provisioning (Michal)
- Fix a fault on fd close after unbind (Lucas)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z2mjt7OTfH76cgua@fedora
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Use the proper API instead of open coding it.
However it looks like kthreads here could be replaced by the use of a
per-cpu workqueue instead.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain fixes from Ulf Hansson:
- Silence warning by adding a dummy release function
- imx: Fix an OF node reference leak in imx_gpcv2_probe()
* tag 'pmdomain-v6.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
pmdomain: core: add dummy release function to genpd device
pmdomain: imx: gpcv2: fix an OF node reference leak in imx_gpcv2_probe()
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fix from Ulf Hansson:
- sdhci-msm: Fix crypto key eviction
* tag 'mmc-v6.13-rc2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-msm: fix crypto key eviction
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This is a set of squashed commits to facilitate smooth applying to
stable. Each commit message is retained for reference.
1) Allow a GGTT mapped batch to be submitted to user exec queue
For a OA use case, one of the HW registers needs to be modified by
submitting an MI_LOAD_REGISTER_IMM command to the users exec queue, so
that the register is modified in the user's hardware context. In order
to do this a batch that is mapped in GGTT, needs to be submitted to the
user exec queue. Since all user submissions use q->vm and hence PPGTT,
add some plumbing to enable submission of batches mapped in GGTT.
v2: ggtt is zero-initialized, so no need to set it false (Matt Brost)
2) xe/oa: Use MI_LOAD_REGISTER_IMMEDIATE to enable OAR/OAC
To enable OAR/OAC, a bit in RING_CONTEXT_CONTROL needs to be set.
Setting this bit cause the context image size to change and if not done
correct, can cause undesired hangs.
Current code uses a separate exec_queue to modify this bit and is
error-prone. As per HW recommendation, submit MI_LOAD_REGISTER_IMM to
the target hardware context to modify the relevant bit.
In v2 version, an attempt to submit everything to the user-queue was
made, but it failed the unprivileged-single-ctx-counters test. It
appears that the OACTXCONTROL must be modified from a remote context.
In v3 version, all context specific register configurations were moved
to use LOAD_REGISTER_IMMEDIATE and that seems to work well. This is a
cleaner way, since we can now submit all configuration to user
exec_queue and the fence handling is simplified.
v2:
(Matt)
- set job->ggtt to true if create job is successful
- unlock vm on job error
(Ashutosh)
- don't wait on job submission
- use kernel exec queue where possible
v3:
(Ashutosh)
- Fix checkpatch issues
- Remove extra spaces/new-lines
- Add Fixes: and Cc: tags
- Reset context control bit when OA stream is closed
- Submit all config via MI_LOAD_REGISTER_IMMEDIATE
(Umesh)
- Update commit message for v3 experiment
- Squash patches for easier port to stable
v4:
(Ashutosh)
- No need to pass q to xe_oa_submit_bb
- Do not support exec queues with width > 1
- Fix disabling of CTX_CTRL_OAC_CONTEXT_ENABLE
v5:
(Ashutosh)
- Drop reg_lri related comments
- Use XE_OA_SUBMIT_NO_DEPS in xe_oa_load_with_lri
Fixes: 8135f1c09dd2 ("drm/xe/oa: Don't reset OAC_CONTEXT_ENABLE on OA stream close")
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com> # commit 1
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241220171919.571528-2-umesh.nerlige.ramappa@intel.com
(cherry picked from commit 55039832f98c7e05f1cf9e0d8c12b2490abd0f16)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
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SM8550/SM8650 SoCs
SM8550 and SM8650 SoCs doesn't support UFS PHY retention. So once these SoCs
reaches the low power state (CX power collapse) during system suspend, all
the PHY hardware state gets lost. This leads to the UFS resume failure:
ufshcd-qcom 1d84000.ufs: ufshcd_uic_hibern8_exit: hibern8 exit failed. ret = 5
ufshcd-qcom 1d84000.ufs: __ufshcd_wl_resume: hibern8 exit failed 5
ufs_device_wlun 0:0:0:49488: ufshcd_wl_resume failed: 5
ufs_device_wlun 0:0:0:49488: PM: dpm_run_callback(): scsi_bus_resume+0x0/0x84 returns 5
ufs_device_wlun 0:0:0:49488: PM: failed to resume async: error 5
With the default system suspend level of UFS_PM_LVL_3, the power domain for
UFS PHY needs to be kept always ON to retain the state. But this would
prevent these SoCs from reaching the CX power collapse state, leading to
poor power saving during system suspend.
So to fix this issue without affecting the power saving, set
'ufs_qcom_drvdata::no_phy_retention' to true which sets 'hba->spm_lvl' to
UFS_PM_LVL_5 to allow both the controller and device (in turn the PHY) to be
powered down during system suspend for these SoCs by default.
Cc: stable@vger.kernel.org # 6.3
Fixes: 35cf1aaab169 ("arm64: dts: qcom: sm8550: Add UFS host controller and phy nodes")
Fixes: 10e024671295 ("arm64: dts: qcom: sm8650: add interconnect dependent device nodes")
Reported-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Amit Pundir <amit.pundir@linaro.org> # on SM8550-HDK
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20241219-ufs-qcom-suspend-fix-v3-4-63c4b95a70b9@linaro.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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In order to allow platform specific flags and configurations, introduce the
platform specific OF data and move the existing quirk
UFSHCD_QUIRK_BROKEN_LSDBS_CAP for SM8550 and SM8650 SoCs.
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Amit Pundir <amit.pundir@linaro.org> # on SM8550-HDK
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20241219-ufs-qcom-suspend-fix-v3-3-63c4b95a70b9@linaro.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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drivers
Otherwise, the default levels will override the levels set by the host
controller drivers.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20241219-ufs-qcom-suspend-fix-v3-2-63c4b95a70b9@linaro.org
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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ufs_qcom_power_up_sequence()
PHY might already be powered on during ufs_qcom_power_up_sequence() in a
couple of cases:
1. During UFSHCD_QUIRK_REINIT_AFTER_MAX_GEAR_SWITCH quirk
2. Resuming from spm_lvl = 5 suspend
In those cases, it is necessary to call phy_power_off() and phy_exit() in
ufs_qcom_power_up_sequence() function to power off the PHY before calling
phy_init() and phy_power_on().
Case (1) is doing it via ufs_qcom_reinit_notify() callback, but case (2) is
not handled. So to satisfy both cases, call phy_power_off() and phy_exit()
if the phy_count is non-zero. And with this change, the reinit_notify()
callback is no longer needed.
This fixes the below UFS resume failure with spm_lvl = 5:
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore: Host init failed -5
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore: Host init failed -5
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore: Host init failed -5
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore: Host init failed -5
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore: Host init failed -5
ufs_device_wlun 0:0:0:49488: ufshcd_wl_resume failed: -5
ufs_device_wlun 0:0:0:49488: PM: dpm_run_callback(): scsi_bus_resume returns -5
ufs_device_wlun 0:0:0:49488: PM: failed to resume async: error -5
Cc: stable@vger.kernel.org # 6.3
Fixes: baf5ddac90dc ("scsi: ufs: ufs-qcom: Add support for reinitializing the UFS device")
Reported-by: Ram Kumar Dwivedi <quic_rdwivedi@quicinc.com>
Tested-by: Amit Pundir <amit.pundir@linaro.org> # on SM8550-HDK
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20241219-ufs-qcom-suspend-fix-v3-1-63c4b95a70b9@linaro.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-next
Georgi writes:
interconnect fixes for v6.13-rc
This contains two fixes. One fixing a boot error on db410c board when UBSAN
is enabled with clang-19 builds. The other one adds a missing return value
check after devm_kasprintf.
- interconnect: qcom: icc-rpm: Set the count member before accessing the flex array
- interconnect: icc-clk: check return values of devm_kasprintf()
Signed-off-by: Georgi Djakov <djakov@kernel.org>
* tag 'icc-6.13-rc6' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/djakov/icc:
interconnect: icc-clk: check return values of devm_kasprintf()
interconnect: qcom: icc-rpm: Set the count member before accessing the flex array
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The DP calibration data is stored in nvmem cells, and the data layout is
described in the `mtk_dp_efuse_fmt` arrays for each platform.
There is no guarantee that the data is always a 4-length u32 cell array.
For example, MT8188 has a data length of 3, preventing it from passing
the preliminary check and undergoing calibration.
Update the logic to support flexible data lengths. Specifically, we
validate the length returned from `nvmem_cell_read()` against the
platform-specific efuse format. If out-of-bound access is detected, fall
back to the default calibration values. This likely indicates an error
in either the efuse data length described in DT or the efuse format
within the driver.
Signed-off-by: Fei Shao <fshao@chromium.org>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20241204142626.158395-1-fshao@chromium.org/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
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cocci warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/mediatek/mtk_drm_drv.c:1092:2-3: Unneeded semicolon
Fixes: 4c932840db1d ("drm/mediatek: Implement OF graphs support for display paths")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202412022048.kY2ZhxZ4-lkp@intel.com/
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20241230135314.5419-1-chunkuang.hu@kernel.org/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
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This reverts commit 1460bb1fef9ccf7390af0d74a15252442fd6effd.
In all places the MI_STORE_DATA_IMM are not followed by a read of
the same memory address in the same batch buffer and the posted writes
are flushed with PIPE_CONTROL or MI_FLUSH_DW in xe_ring_ops.c functions
so there is no need to set this register.
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Ashutosh Dixit <ashutosh.dixit@intel.com>
Fixes: 1460bb1fef9c ("drm/xe: Force write completion of MI_STORE_DATA_IMM")
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241227183230.101334-1-jose.souza@intel.com
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The commit below prevented MPV from unloading correctly due to blocking
the netdev down event, allow sending the event for MPV mode to maintain
proper unload flow.
Fixes: 379013776222 ("RDMA/mlx5: Handle link status event only for LAG device")
Signed-off-by: Patrisious Haddad <phaddad@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Link: https://patch.msgid.link/d7731478e456f61255af798a7fd4e64b006ddebb.1735567976.git.leonro@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Pull NVMe fixes from Keith:
"nvme fixes for Linux 6.13
- Fix device specific quirk for PRP list alignment (Robert)
- Fix target name overflow (Leo)
- Fix target write granularity (Luis)
- Fix target sleeping in atomic context (Nilay)
- Remove unnecessary tcp queue teardown (Chunguang)"
* tag 'nvme-6.13-2024-12-31' of git://git.infradead.org/nvme:
nvme-tcp: remove nvme_tcp_destroy_io_queues()
nvmet-loop: avoid using mutex in IO hotpath
nvmet: propagate npwg topology
nvmet: Don't overflow subsysnqn
nvme-pci: 512 byte aligned dma pool segment quirk
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Fixed to return ENXIO from __send_message_basic_sanity()
to indicate that device is in error state. In the case of
ERR_DEVICE_DETACHED state, the driver should not post the
commands to the firmware as it will time out eventually.
Removed bnxt_re_modify_qp() call from bnxt_re_dev_stop()
as it is a no-op.
Fixes: cc5b9b48d447 ("RDMA/bnxt_re: Recover the device when FW error is detected")
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Link: https://patch.msgid.link/20241231025008.2267162-1-kalesh-anakkur.purayil@broadcom.com
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Move the declaration of the 'ib_sge list' variable outside the
'always_invalidate' block to ensure it remains accessible for use
throughout the function.
Previously, 'ib_sge list' was declared within the 'always_invalidate'
block, limiting its accessibility, then caused a
'BUG: kernel NULL pointer dereference'[1].
? __die_body.cold+0x19/0x27
? page_fault_oops+0x15a/0x2d0
? search_module_extables+0x19/0x60
? search_bpf_extables+0x5f/0x80
? exc_page_fault+0x7e/0x180
? asm_exc_page_fault+0x26/0x30
? memcpy_orig+0xd5/0x140
rxe_mr_copy+0x1c3/0x200 [rdma_rxe]
? rxe_pool_get_index+0x4b/0x80 [rdma_rxe]
copy_data+0xa5/0x230 [rdma_rxe]
rxe_requester+0xd9b/0xf70 [rdma_rxe]
? finish_task_switch.isra.0+0x99/0x2e0
rxe_sender+0x13/0x40 [rdma_rxe]
do_task+0x68/0x1e0 [rdma_rxe]
process_one_work+0x177/0x330
worker_thread+0x252/0x390
? __pfx_worker_thread+0x10/0x10
This change ensures the variable is available for subsequent operations
that require it.
[1] https://lore.kernel.org/linux-rdma/6a1f3e8f-deb0-49f9-bc69-a9b03ecfcda7@fujitsu.com/
Fixes: 9cb837480424 ("RDMA/rtrs: server: main functionality")
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Link: https://patch.msgid.link/20241231013416.1290920-1-lizhijian@fujitsu.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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When driver processes the internal state change command, it use an
asynchronous thread to process the command operation. If the main
thread detects that the task has timed out, the asynchronous thread
will panic when executing the completion notification because the
main thread completion object has been released.
BUG: unable to handle page fault for address: fffffffffffffff8
PGD 1f283a067 P4D 1f283a067 PUD 1f283c067 PMD 0
Oops: 0000 [#1] PREEMPT SMP NOPTI
RIP: 0010:complete_all+0x3e/0xa0
[...]
Call Trace:
<TASK>
? __die_body+0x68/0xb0
? page_fault_oops+0x379/0x3e0
? exc_page_fault+0x69/0xa0
? asm_exc_page_fault+0x22/0x30
? complete_all+0x3e/0xa0
fsm_main_thread+0xa3/0x9c0 [mtk_t7xx (HASH:1400 5)]
? __pfx_autoremove_wake_function+0x10/0x10
kthread+0xd8/0x110
? __pfx_fsm_main_thread+0x10/0x10 [mtk_t7xx (HASH:1400 5)]
? __pfx_kthread+0x10/0x10
ret_from_fork+0x38/0x50
? __pfx_kthread+0x10/0x10
ret_from_fork_asm+0x1b/0x30
</TASK>
[...]
CR2: fffffffffffffff8
---[ end trace 0000000000000000 ]---
Use the reference counter to ensure safe release as Sergey suggests:
https://lore.kernel.org/all/da90f64c-260a-4329-87bf-1f9ff20a5951@gmail.com/
Fixes: 13e920d93e37 ("net: wwan: t7xx: Add core components")
Signed-off-by: Jinjian Song <jinjian.song@fibocom.com>
Acked-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Link: https://patch.msgid.link/20241224041552.8711-1-jinjian.song@fibocom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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A Marvell 88E8075 ethernet controller has this device ID instead of
11ab:4370 and works fine with the sky2 driver.
Signed-off-by: Pascal Hambourg <pascal@plouf.fr.eu.org>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/10165a62-99fb-4be6-8c64-84afd6234085@plouf.fr.eu.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Current implementation of mv643xx_eth_shared_of_add_port() calls
of_parse_phandle(), but does not release the refcount on error. Call
of_node_put() in the error path and in mv643xx_eth_shared_of_remove().
This bug was found by an experimental verification tool that I am
developing.
Fixes: 76723bca2802 ("net: mv643xx_eth: add DT parsing support")
Signed-off-by: Joe Hattori <joe@pf.is.s.u-tokyo.ac.jp>
Link: https://patch.msgid.link/20241221081448.3313163-1-joe@pf.is.s.u-tokyo.ac.jp
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit ba0925c34e0f ("gve: process XSK TX descriptors as part of RX NAPI")
moved XSK TX processing to be part of the RX NAPI. However, that commit
did not include triggering the RX NAPI in gve_xsk_wakeup. This is
necessary because the TX NAPI only processes TX completions, meaning
that a TX wakeup would not actually trigger XSK descriptor processing.
Also, the branch on XDP_WAKEUP_TX was supposed to have been removed, as
the NAPI should be scheduled whether the wakeup is for RX or TX.
Fixes: ba0925c34e0f ("gve: process XSK TX descriptors as part of RX NAPI")
Cc: stable@vger.kernel.org
Signed-off-by: Joshua Washington <joshwash@google.com>
Signed-off-by: Praveen Kaligineedi <pkaligineedi@google.com>
Link: https://patch.msgid.link/20241221032807.302244-1-pkaligineedi@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Check the return value of clk_prepare_enable to ensure that priv->clk has
been successfully enabled.
If priv->clk was not enabled during bcm_sysport_probe, bcm_sysport_resume,
or bcm_sysport_open, it must not be disabled in any subsequent execution
paths.
Fixes: 31bc72d97656 ("net: systemport: fetch and use clock resources")
Signed-off-by: Vitalii Mordan <mordan@ispras.ru>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20241227123007.2333397-1-mordan@ispras.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix typo in cd_dbg line to add trailing newline character.
Signed-off-by: Steven Davis <goldside000@outlook.com>
Link: https://lore.kernel.org/lkml/20241229165744.21725-1-goldside000@outlook.com
Reviewed-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/lkml/Z3GV2W_MUOw5BrtR@equinox
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20241230193431.441120-2-phil@philpotter.co.uk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers fixes from Ilpo Järvinen:
"hp-wmi:
- mark 8A15 board for timed OMEN thermal profile
mlx-platform:
- call pci_dev_put() to balance the refcount
thinkpad-acpi:
- Add support for hotkey 0x1401"
* tag 'platform-drivers-x86-v6.13-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: thinkpad-acpi: Add support for hotkey 0x1401
platform/x86: hp-wmi: mark 8A15 board for timed OMEN thermal profile
platform/x86: mlx-platform: call pci_dev_put() to balance the refcount
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The RDMA CM module might invoke erdma_create_ah() or erdma_destroy_ah()
in a non-sleepable context. Both of these functions will call the
erdma_post_cmd_wait(), which can potentially sleep and occasionally lead
to a hard lockup. Therefore, post the create_ah and destroy_ah commands in
polling mode if the RDMA_CREATE_AH_SLEEPABLE and RDMA_DESTROY_AH_SLEEPABLE
flags are not set, respectively.
Reviewed-by: Cheng Xu <chengyou@linux.alibaba.com>
Signed-off-by: Boshi Yu <boshiyu@linux.alibaba.com>
Link: https://patch.msgid.link/20241226084141.74823-5-boshiyu@linux.alibaba.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Several scenarios require posting commands to the cmdq in a non-sleepable
context. For example, the cm_alloc_msg() might call erdma_create_ah()
while still holding a spinlock. So we add support for non-sleeping
erdma_post_cmd_wait().
Reviewed-by: Cheng Xu <chengyou@linux.alibaba.com>
Signed-off-by: Boshi Yu <boshiyu@linux.alibaba.com>
Link: https://patch.msgid.link/20241226084141.74823-4-boshiyu@linux.alibaba.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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The erdma_post_cmd_wait() function returns the cmdq response
only when both resp0 and resp1 are not NULL.
Reviewed-by: Cheng Xu <chengyou@linux.alibaba.com>
Signed-off-by: Boshi Yu <boshiyu@linux.alibaba.com>
Link: https://patch.msgid.link/20241226084141.74823-3-boshiyu@linux.alibaba.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Set the query_ah field to the erdma_create_ah() function and set
the size_ib_ah field to the size of struct erdma_ah.
Reviewed-by: Cheng Xu <chengyou@linux.alibaba.com>
Signed-off-by: Boshi Yu <boshiyu@linux.alibaba.com>
Link: https://patch.msgid.link/20241226084141.74823-2-boshiyu@linux.alibaba.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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