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Enhance the documentation for the enum iwl_nvm_channel_flags to
provide better clarity for NVM_CHANNEL_IBSS and NVM_CHANNEL_ACTIVE flags
Signed-off-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241226174257.d4018e62b2bd.Ie20fe3408bcc358078e3e5bf38edeb6b951c9a40@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This is not MVM specific.
Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://patch.msgid.link/20241226174257.9b35dfce796b.Ie61e17a488f6a34bcbe814dd89a138fe1f55585c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently driver requests periodic statistics after entering EMLSR.
This means that when not in EMLSR, link selection decisions will be
done based on old statistics, from the association time.
Request periodic statistics already at association instead,
Signed-off-by: Somashekhar(Som) <somashekhar.puttagangaiah@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241226174257.4ca59fe0e060.Ic46280aad4dc7087a7d6d0773b86c255133cb7d6@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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As the session protection command will be used in mld, it shouldn't
be associated by name to mvm
Signed-off-by: Yedidya Benshimol <yedidya.ben.shimol@intel.com>
Link: https://patch.msgid.link/20241226174257.0cd9ae2499b6.If228310b0578e5da88ccb28ff8dceb56e1c61b27@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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frame body to the generated elements
According to Draft P802.11be_D7.0 clause 35.3.4.2, if a multi-link
request requests an MLD with which an AP corresponding to the
nontransmitted BSSID, the corresponding multi-link probe response
shall carry a basic multi-mink element of that MLD in the frame body
of the multi-link probe response, whose location is outside of the
Multiple BSSID element carried in the frame.
Therefore additional handing is needed for parsing multi-link probe
response and generating the merged elements so that the MLD in the frame
body can be correctly copied to the generated elements. Otherwise, the
nontransmitted BSS looks like non-MLD.
Signed-off-by: Money Wang <money.wang@mediatek.com>
Signed-off-by: Michael-CY Lee <michael-cy.lee@mediatek.com>
Link: https://patch.msgid.link/20241225073725.847062-1-michael-cy.lee@mediatek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Now it neither sets the ret argument or return something else than
false.
Cleanup this function to be void and to not receive the ret argument.
This also allows to get rid of the sta_in_fw parameter in
iwl_mvm_mld_free_sta_link.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241224192322.ecebfa16c62c.Ia1cc352b871593be4f51cb3db98f9eedd5267857@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently, the sequence goes like this (among others):
1. flush all stations (including the AP ones) -> this will tell the
drivers to remove the stations
2. notify the driver the vif is not associated.
Which means that in between 1 and 2, the state is that the vif is
associated, but there is no AP station, which makes no sense, and may be
problematic for some drivers (for example iwlwifi)
Change the sequence to:
1. flush the TDLS stations
2. move the AP station to IEEE80211_STA_NONE
3. notify the driver about the vif being unassociated
4. flush the AP station
In order to not break other drivers, add a vif flag to indicate whether
the driver wants to new sequence or not. If the flag is not set, then
things will be done in the old sequence.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241224192322.996ad1be6cb3.I7815d33415aa1d65c0120b54be7a15a45388f807@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Sometimes we might want to flush only part of the stations of a vif,
for example only the TDLS ones.
To allow this, add a do_not_flush_sta argument to __sta_info_flush,
which in turn, will not flush this station.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241224192322.535e1fcca192.Icecf7f443bf98c9535ce8ec03b24d0d17dfbc28e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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in iwl_mvm_sta_del we call iwl_mvm_sec_key_remove_ap with link id 0,
when it might actually be something else, causing us to skip all
the keys.
Since the call to iwl_mvm_sec_key_remove_ap was mostly skipped (because
for STA mode we are not removing the ap sta immediately, but later when
the vif is set to unassocicated),
this was fine.
The other call to iwl_mvm_sec_key_remove_ap, when we actually do remove the
ap sta, was called with the right link id. So the bug didn't happen so far.
Now that mac80211 is going to change such that we can immediately
remove the ap sta, the call to iwl_mvm_sec_key_remove_ap with link id 0
will not be skipped, so no key will be removed, and then when
mac80211 eventually tells us to remove that keys, we no longer have the
sta ids for them.
Simply pass the right link id to iwl_mvm_sec_key_remove_ap.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20241224192322.db7a5f551492.I79fe16a14fa0bb20751ba2526c3195fef39ef772@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This code is only relevant for older devices, that are not supporting
mld, so shouldn't be in iwl_mvm_sta_del, which is common to both pre-mld
and mld.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://patch.msgid.link/20241224192322.a665d16a3857.I840b00a7b38f3967ec5e75ff6a85e756f4d82437@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The inverse value is stored in the table, make the documentation match the code.
Signed-off-by: Rolf Eike Beer <eb@emlix.com>
Acked-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/2008554.usQuhbGJ8B@devpool47.emlix.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The last use of ieee80211_debugfs_key_sta_del() was removed in 2007 by
commit 11a843b7e160 ("[MAC80211]: rework key handling")
The last use of ieee80211_debugfs_key_add_mgmt_default() was removed
in 2010 by
commit f7e0104c1a4e ("mac80211: support separate default keys")
The last use of ieee80211_debugfs_key_add_beacon_default() was
removed in 2020 by
commit e5473e80d467 ("mac80211: Support BIGTK configuration for Beacon
protection")
Remove them.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://patch.msgid.link/20241224013257.185742-2-linux@treblig.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Normally dequeue_entities() will continue to dequeue an empty group entity;
except DELAY_DEQUEUE changes things -- it retains empty entities such that they
might continue to compete and burn off some lag.
However, doing this results in update_cfs_group() re-computing the cgroup
weight 'slice' for an empty group, which it (rightly) figures isn't much at
all. This in turn means that the delayed entity is not competing at the
expected weight. Worse, the very low weight causes its lag to be inflated,
which combined with avg_vruntime() using scale_load_down(), leads to artifacts.
As such, don't adjust the weight for empty group entities and let them compete
at their original weight.
Fixes: 152e11f6df29 ("sched/fair: Implement delayed dequeue")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20250110115720.GA17405@noisy.programming.kicks-ass.net
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The whole module_writable_address() nonsense made a giant mess of
alternative.c, not to mention it still contains bugs -- notable some of the
CFI variants crash and burn.
Mike has been working on patches to clean all this up again, but given the
current state of things, this stuff just isn't ready.
Disable for now, lets try again next cycle.
Fixes: 5185e7f9f3bd ("x86/module: enable ROX caches for module text on 64 bit")
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20250113112934.GA8385@noisy.programming.kicks-ass.net
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kthread.c:1073: warning: expecting prototype for kthread_create_worker(). Prototype was for kthread_create_worker_on_node() instead
Fixes: 41f70d8e1634 ("kthread: Unify kthread_create_on_cpu() and kthread_create_worker_on_cpu() automatic format")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Frederic Weisbecker <frederic@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
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In multi-channel scenarios, the granted channel must be aborted before
station remove. Otherwise, the firmware will be put into a wrong state,
resulting in have chance to make subsequence scan no APs.
With this patch, the granted channel will be always aborted before
station remove.
Signed-off-by: Quan Zhou <quan.zhou@mediatek.com>
Reviewed-by: Sean Wang <sean.wang@mediatek.com>
Tested-by: David Ruth <druth@chromium.org>
Reviewed-by: David Ruth <druth@chromium.org>
Link: https://patch.msgid.link/1ac1ae779db86d4012199a24ea2ca74050ed4af6.1721300411.git.quan.zhou@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Wireshark and iwlwifi use zero-based NSS reporting, adjust
mt76 to do the same.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Link: https://patch.msgid.link/20240909211238.3237111-2-greearb@candelatech.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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This duplicates what the 7925 driver is doing, wireshark seems to
at least mostly decode it as expected.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Link: https://patch.msgid.link/20240909211238.3237111-1-greearb@candelatech.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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commit c4f075582304 ("wifi: mt76: mt7915: fix command timeout in AP stop
period") changes the behavior of mt7915_bss_info_changed() in mesh mode
when enable_beacon becomes false: it calls mt7915_mcu_add_bss_info(...,
false) and mt7915_mcu_add_sta(..., false) while the previous code
didn't. These sends mcu commands that apparently confuse the firmware.
This breaks scanning while in mesh mode on AsiaRF MT7916 DBDC-based cards:
scanning works but no mesh frames get sent afterwards and the firmware
seems to be hosed. It breaks on MT7916 DBDC but not on MT7915 DBDC.
Fixes: c4f075582304 ("wifi: mt76: mt7915: fix command timeout in AP stop period")
Signed-off-by: Nicolas Cavallari <nicolas.cavallari@green-communications.fr>
Link: https://patch.msgid.link/20240927085350.4594-1-nicolas.cavallari@green-communications.fr
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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To ensure code clarity and prevent potential errors, it's advisable
to employ the ';' as a statement separator, except when ',' are
intentionally used for specific purposes.
Signed-off-by: Shen Lichuan <shenlichuan@vivo.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20240911034243.31596-1-shenlichuan@vivo.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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This comparison should be >= instead of > to prevent an out of bounds
read and write.
Fixes: 9679ca7326e5 ("wifi: mt76: mt7925: fix a potential array-index-out-of-bounds issue for clc")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/84bf5dd2-2fe3-4410-a7af-ae841e41082a@stanley.mountain
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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The maximum command quota of the firmware may be exceeded because the
command to retrieve the quota setting has not been taken into account.
This patch considers not only the quota usage of the command retrieving
quota settings but also limits the total quota usage.
Signed-off-by: Leon Yen <leon.yen@mediatek.com>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Link: https://patch.msgid.link/20240916060157.10157-1-mingyen.hsieh@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Regist the NL80211_IFTYPE_P2P_DEVICE to support p2p device
for mt792x chips
Signed-off-by: Hao Zhang <hao.zhang.mediatek@gmail.com>
Signed-off-by: allan.wang <allan.wang@mediatek.com>
Signed-off-by: Ming Yen Hsieh <MingYen.Hsieh@mediatek.com>
Link: https://patch.msgid.link/20240919081713.23787-1-mingyen.hsieh@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Some of the variants do not support background radar, so add a helper
to report background radar capability.
Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Link: https://patch.msgid.link/20240926032440.15978-3-shayne.chen@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Current varaints supported:
- mt7996 chipset: tri-band, 4+4+4 NSS, eFEM
- mt7992 chipset: dual-band, 4+4 NSS, eFEM
This patch adds support for the following variants:
- mt7996 chipset:
- tri-band, 4+4+4 NSS, iFEM
- tri-band, 2+3+3 NSS, eFEM
- tri-band, 2+3+3 NSS, iFEM
- mt7992 chipset:
- dual-band, 4+4 NSS, iFEM
- dual-band, 4+4 NSS, with band0 iFEM and band1 eFEM
- dual-band, 2+3 NSS, eFEM
- dual-band, 2+3 NSS, iFEM
Co-developed-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Link: https://patch.msgid.link/20240926032440.15978-2-shayne.chen@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Support passing customized buffer pointer and length to
mt7996_mcu_get_eeprom().
This is the preparation for adding more variants support which needs to
prefetch FEM module from efuse, and also fixes potential OOB issue when
reading the last efuse block.
Co-developed-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Link: https://patch.msgid.link/20240926032440.15978-1-shayne.chen@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Use U32 to get value from ACPI and explicitly cast to U16.
Fixes: 5282e45ccbfa ("HID: intel-thc-hid: intel-quicki2c: Add THC QuickI2C ACPI interfaces")
Signed-off-by: Even Xu <even.xu@intel.com>
Link: https://patch.msgid.link/20250113085047.2100403-1-even.xu@intel.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
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Return -ENOMEM if the allocation fails. Don't return success.
Fixes: 4228966def88 ("HID: intel-thc-hid: intel-thc: Add THC I2C config interfaces")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/eb4ea363-c3b7-4988-9ff5-5ed74bf47620@stanley.mountain
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
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Use corrected function parameter names to eliminate kernel-doc
warnings:
slab.h:142: warning: Function parameter or struct member 's' not described in 'slab_folio'
slab.h:142: warning: Excess function parameter 'slab' description in 'slab_folio'
slab.h:168: warning: Function parameter or struct member 's' not described in 'slab_page'
slab.h:168: warning: Excess function parameter 'slab' description in 'slab_page'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Extend HDMI connector output format tests to verify its registration
succeeds only when the presence of YUV420 in the supported formats
matches the state of ycbcr_420_allowed flag.
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241224-bridge-conn-fmt-prio-v4-4-a9ceb5671379@collabora.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Ensure HDMI connector initialization fails when the presence of
HDMI_COLORSPACE_YUV420 in the given supported_formats bitmask doesn't
match the value of drm_connector->ycbcr_420_allowed.
Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241224-bridge-conn-fmt-prio-v4-3-a9ceb5671379@collabora.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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The case of having an HDMI bridge in the pipeline which advertises
YUV420 capability via its ->supported_formats and a non-HDMI one that
didn't enable ->ycbcr_420_allowed, is incorrectly handled because
supported_formats is passed as is to the helper initializing the HDMI
connector.
Ensure HDMI_COLORSPACE_YUV420 is removed from the bitmask passed to
drmm_connector_hdmi_init() when connector's ->ycbcr_420_allowed flag
ends up not being set.
Fixes: 3ced1c687512 ("drm/display: bridge_connector: handle ycbcr_420_allowed")
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241224-bridge-conn-fmt-prio-v4-2-a9ceb5671379@collabora.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Bridges having DRM_BRIDGE_OP_HDMI set in their ->ops are supposed to
rely on the ->supported_formats bitmask to advertise the permitted
colorspaces, including HDMI_COLORSPACE_YUV420.
However, a new flag ->ycbcr_420_allowed has been recently introduced,
which brings the necessity to require redundant and potentially
inconsistent information to be provided on HDMI bridges initialization.
Adjust ->ycbcr_420_allowed for HDMI bridges according to
->supported_formats, right before adding them to the global bridge list.
This keeps the initialization process straightforward and unambiguous,
thereby preventing any further confusion.
Fixes: 3ced1c687512 ("drm/display: bridge_connector: handle ycbcr_420_allowed")
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241224-bridge-conn-fmt-prio-v4-1-a9ceb5671379@collabora.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Passing a sufficient amount of imix entries leads to invalid access to the
pkt_dev->imix_entries array because of the incorrect boundary check.
UBSAN: array-index-out-of-bounds in net/core/pktgen.c:874:24
index 20 is out of range for type 'imix_pkt [20]'
CPU: 2 PID: 1210 Comm: bash Not tainted 6.10.0-rc1 #121
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)
Call Trace:
<TASK>
dump_stack_lvl lib/dump_stack.c:117
__ubsan_handle_out_of_bounds lib/ubsan.c:429
get_imix_entries net/core/pktgen.c:874
pktgen_if_write net/core/pktgen.c:1063
pde_write fs/proc/inode.c:334
proc_reg_write fs/proc/inode.c:346
vfs_write fs/read_write.c:593
ksys_write fs/read_write.c:644
do_syscall_64 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe arch/x86/entry/entry_64.S:130
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 52a62f8603f9 ("pktgen: Parse internet mix (imix) input")
Signed-off-by: Artem Chernyshev <artem.chernyshev@red-soft.ru>
[ fp: allow to fill the array completely; minor changelog cleanup ]
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes the volume adjustment issue on the Lenovo ThinkBook 16P Gen5
by applying the necessary quirk configuration for the Realtek ALC287 codec.
The issue was caused by incorrect configuration in the driver,
which prevented proper volume control on certain systems.
Signed-off-by: Yage Geng <icoderdev@gmail.com>
Link: https://patch.msgid.link/20250113085208.15351-1-icoderdev@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Provide an optimized arch_test_bit() implementation which makes use of
flag output constraint. This generates slightly better code:
bloat-o-meter:
add/remove: 51/19 grow/shrink: 450/2444 up/down: 25198/-49136 (-23938)
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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The generic bitops implementation is nearly identical to the s390
implementation therefore switch to the generic variant.
This results in a small kernel image size decrease. This is because for
the generic variant the nr parameter for most bitops functions is of
type unsigned int while the s390 variant uses unsigned long.
bloat-o-meter:
add/remove: 670/670 grow/shrink: 167/209 up/down: 21440/-21792 (-352)
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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The inline assembly uses the ahi instruction to decrement and test
whether more than 256 bytes are left for conversion. But the nr
variable passed is of type unsigned long. Therefore use aghi.
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reported-by: Jens Remus <jremus@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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The current code compares whether the nr argument is less or equal to
zero. As nr is of type unsigned long, this isn't correct. Fix this by just
testing for zero. This is also reported by checkpatch:
unsignedLessThanZero: Checking if unsigned expression 'nr--' is less
than zero.
Reported-by: Jens Remus <jremus@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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exrl is present in all machines currently supported, therefore prefer
it over ex. This saves one instruction and doesn't need an additional
register to hold the address of the target instruction.
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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exrl is present in all machines currently supported, therefore prefer
it over ex. This saves one instruction and doesn't need an additional
register to hold the address of the target instruction.
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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exrl is present in all machines currently supported, therefore prefer
it over ex. This saves one instruction and doesn't need an additional
register to hold the address of the target instruction.
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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exrl is present in all machines currently supported, therefore prefer
it over ex. This saves one instruction and doesn't need an additional
register to hold the address of the target instruction.
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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Add early polarization detection instead of assuming horizontal
polarization.
Signed-off-by: Mete Durlu <meted@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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Set the gpiochip request and free ops to the generic implementations.
This way a user can provide a gpio-ranges property defined for a pinmux,
easing muxing of gpio functions. Provided that the pin controller
implementents the pinmux op .gpio_request_enable(), pins will
automatically be muxed to their GPIO function when requested.
Signed-off-by: Sander Vanheule <sander@svanheule.net>
Acked-by: Michael Walle <mwalle@kernel.org>
Link: https://lore.kernel.org/r/20250107201621.12467-1-sander@svanheule.net
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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struct altera_gpio_chip::mapped_irq is only used in the driver's probe
function. So it's enough if mapped_irq is a local variable, and can be
dropped from driver data.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20250109090802.3763275-2-u.kleine-koenig@baylibre.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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GPIO input, output, and interrupts have been tested on a MPC8314E board.
Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250102-mpc83xx-v1-13-86f78ba2a7af@posteo.net
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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This is for the MPC831{4,5}{,E} SoCs.
Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250102-mpc83xx-v1-11-86f78ba2a7af@posteo.net
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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From looking at the data sheets, it is not obvious that CS# and latch
clock can be treated at the same, but doing so works fine and saves the
hassle of (1) trying to specify a SPI device without CS, and (2) adding
another property to drive the latch clock[1].
[1]: https://lore.kernel.org/lkml/20241213-gpio74-v1-2-fa2c089caf41@posteo.net/
Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20241224-gpio74-v2-3-bbcf14183191@posteo.net
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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With the recent rework of the PCI power control code, the workaround for
the wlan-enable GPIO - where we don't set a default (low) state in the
power sequencing driver, but instead request the pin as-is - should no
longer be needed but some platforms still fail to probe the WLAN
controller. This is caused by the Qcom PCIe controller and needs a
workaround in the controller driver so add a FIXME to eventually remove
the hack from this driver once this is done.
Link: https://lore.kernel.org/r/20250102121530.26993-1-brgl@bgdev.pl
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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