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[PATCH v2 5.10.y] fsdax: mark the iomap argument to dax_iomap_sector as const

by Eliav Farber

From: Christoph Hellwig <hch(a)lst.de> [ Upstream commit 7e4f4b2d689d959b03cb07dfbdb97b9696cb1076 ] Signed-off-by: Christoph Hellwig <hch(a)lst.de> Reviewed-by: Darrick J. Wong <djwong(a)kernel.org> Signed-off-by: Darrick J. Wong <djwong(a)kernel.org> Signed-off-by: Eliav Farber <farbere(a)amazon.com> --- V1 -> V2: Added missing 'Signed-off-by' Fixes: fs/dax.c: In function 'dax_iomap_iter': fs/dax.c:1147:44: error: passing argument 1 of 'dax_iomap_sector' discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers] const sector_t sector = dax_iomap_sector(iomap, pos); ^~~~~ fs/dax.c:1009:17: note: expected 'struct iomap *' but argument is of type 'const struct iomap *' static sector_t dax_iomap_sector(struct iomap *iomap, loff_t pos) ^~~~~~~~~~~~~~~~ The issue was introduced by the cherry-pick of commit 8df4919cb921 ("fsdax: switch dax_iomap_rw to use iomap_iter") https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/… The upstream change made callers pass a const struct iomap *: const struct iomap *iomap = &iomi->iomap; but dax_iomap_sector() still expected a mutable pointer: static sector_t dax_iomap_sector(struct iomap *iomap, loff_t pos) fs/dax.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/dax.c b/fs/dax.c index 91820b9b50b7..2ca33ef5d519 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -1006,7 +1006,7 @@ int dax_writeback_mapping_range(struct address_space *mapping, } EXPORT_SYMBOL_GPL(dax_writeback_mapping_range); -static sector_t dax_iomap_sector(struct iomap *iomap, loff_t pos) +static sector_t dax_iomap_sector(const struct iomap *iomap, loff_t pos) { return (iomap->addr + (pos & PAGE_MASK) - iomap->offset) >> 9; } -- 2.47.3

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[PATCH] powerpc: Use relocated font data pointer for btext_drawchar()

by Finn Thain

From: Christophe Leroy <christophe.leroy(a)csgroup.eu> Since Linux v6.7, booting using BootX on an Old World PowerMac produces an early crash. Stan Johnson writes, "the symptoms are that the screen goes blank and the backlight stays on, and the system freezes (Linux doesn't boot)." Further testing revealed that the failure can be avoided by disabling CONFIG_BOOTX_TEXT. Bisection revealed that the regression was caused by a patch which replaced the static btext font data with const data in a different compilation unit. To fix this, access the font data at its relocated address. Cc: Cedar Maxwell <cedarmaxwell(a)mac.com> Cc: Stan Johnson <userm57(a)yahoo.com> Cc: "Dr. David Alan Gilbert" <linux(a)treblig.org> Cc: Benjamin Herrenschmidt <benh(a)kernel.crashing.org> Cc: stable(a)vger.kernel.org Link: https://lists.debian.org/debian-powerpc/2025/10/msg00111.html Link: https://lore.kernel.org/linuxppc-dev/d81ddca8-c5ee-d583-d579-02b19ed95301@y… Reported-by: Cedar Maxwell <cedarmaxwell(a)mac.com> Closes: https://lists.debian.org/debian-powerpc/2025/09/msg00031.html Bisected-by: Stan Johnson <userm57(a)yahoo.com> Tested-by: Stan Johnson <userm57(a)yahoo.com> Fixes: 0ebc7feae79a ("powerpc: Use shared font data") Signed-off-by: Finn Thain <fthain(a)linux-m68k.org> --- Christophe, as you're the author of this patch, this submission will probably need your sign-off. --- arch/powerpc/kernel/btext.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c index 7f63f1cdc6c3..ca00c4824e31 100644 --- a/arch/powerpc/kernel/btext.c +++ b/arch/powerpc/kernel/btext.c @@ -20,6 +20,7 @@ #include <asm/io.h> #include <asm/processor.h> #include <asm/udbg.h> +#include <asm/setup.h> #define NO_SCROLL @@ -463,7 +464,7 @@ static noinline void draw_byte(unsigned char c, long locX, long locY) { unsigned char *base = calc_base(locX << 3, locY << 4); unsigned int font_index = c * 16; - const unsigned char *font = font_sun_8x16.data + font_index; + const unsigned char *font = PTRRELOC(font_sun_8x16.data) + font_index; int rb = dispDeviceRowBytes; rmci_maybe_on(); -- 2.49.1

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[PATCH v1 1/2] ALSA: hda/tas2781: fix speaker id retrieval for multiple probes

by Antheas Kapenekakis

Currently, on ASUS projects, the TAS2781 codec attaches the speaker GPIO to the first tasdevice_priv instance using devm. This causes tas2781_read_acpi to fail on subsequent probes since the GPIO is already managed by the first device. This causes a failure on Xbox Ally X, because it has two amplifiers, and prevents us from quirking both the Xbox Ally and Xbox Ally X in the realtek codec driver. It is unnecessary to attach the GPIO to a device as it is static. Therefore, instead of attaching it and then reading it when loading the firmware, read its value directly in tas2781_read_acpi and store it in the private data structure. Then, make reading the value non-fatal so that ASUS projects that miss a speaker pin can still work, perhaps using fallback firmware. Fixes: 4e7035a75da9 ("ALSA: hda/tas2781: Add speaker id check for ASUS projects") Cc: stable(a)vger.kernel.org # 6.17 Signed-off-by: Antheas Kapenekakis <lkml(a)antheas.dev> --- include/sound/tas2781.h | 2 +- .../hda/codecs/side-codecs/tas2781_hda_i2c.c | 44 +++++++++++-------- 2 files changed, 26 insertions(+), 20 deletions(-) diff --git a/include/sound/tas2781.h b/include/sound/tas2781.h index 0fbcdb15c74b..29d15ba65f04 100644 --- a/include/sound/tas2781.h +++ b/include/sound/tas2781.h @@ -197,7 +197,6 @@ struct tasdevice_priv { struct acoustic_data acou_data; #endif struct tasdevice_fw *fmw; - struct gpio_desc *speaker_id; struct gpio_desc *reset; struct mutex codec_lock; struct regmap *regmap; @@ -215,6 +214,7 @@ struct tasdevice_priv { unsigned int magic_num; unsigned int chip_id; unsigned int sysclk; + int speaker_id; int irq; int cur_prog; diff --git a/sound/hda/codecs/side-codecs/tas2781_hda_i2c.c b/sound/hda/codecs/side-codecs/tas2781_hda_i2c.c index 0357401a6023..c8619995b1d7 100644 --- a/sound/hda/codecs/side-codecs/tas2781_hda_i2c.c +++ b/sound/hda/codecs/side-codecs/tas2781_hda_i2c.c @@ -87,6 +87,7 @@ static const struct acpi_gpio_mapping tas2781_speaker_id_gpios[] = { static int tas2781_read_acpi(struct tasdevice_priv *p, const char *hid) { + struct gpio_desc *speaker_id; struct acpi_device *adev; struct device *physdev; LIST_HEAD(resources); @@ -119,19 +120,31 @@ static int tas2781_read_acpi(struct tasdevice_priv *p, const char *hid) /* Speaker id was needed for ASUS projects. */ ret = kstrtou32(sub, 16, &subid); if (!ret && upper_16_bits(subid) == PCI_VENDOR_ID_ASUSTEK) { - ret = devm_acpi_dev_add_driver_gpios(p->dev, - tas2781_speaker_id_gpios); - if (ret < 0) + ret = acpi_dev_add_driver_gpios(adev, tas2781_speaker_id_gpios); + if (ret < 0) { dev_err(p->dev, "Failed to add driver gpio %d.\n", ret); - p->speaker_id = devm_gpiod_get(p->dev, "speakerid", GPIOD_IN); - if (IS_ERR(p->speaker_id)) { - dev_err(p->dev, "Failed to get Speaker id.\n"); - ret = PTR_ERR(p->speaker_id); - goto err; + p->speaker_id = -1; + goto end_2563; + } + + speaker_id = fwnode_gpiod_get_index(acpi_fwnode_handle(adev), + "speakerid", 0, GPIOD_IN, NULL); + if (!IS_ERR(speaker_id)) { + p->speaker_id = gpiod_get_value_cansleep(speaker_id); + dev_dbg(p->dev, "Got speaker id gpio from ACPI: %d.\n", + p->speaker_id); + gpiod_put(speaker_id); + } else { + p->speaker_id = -1; + ret = PTR_ERR(speaker_id); + dev_err(p->dev, "Get speaker id gpio failed %d.\n", + ret); } + + acpi_dev_remove_driver_gpios(adev); } else { - p->speaker_id = NULL; + p->speaker_id = -1; } end_2563: @@ -432,23 +445,16 @@ static void tasdevice_dspfw_init(void *context) struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev); struct tas2781_hda_i2c_priv *hda_priv = tas_hda->hda_priv; struct hda_codec *codec = tas_priv->codec; - int ret, spk_id; + int ret; tasdevice_dsp_remove(tas_priv); tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING; - if (tas_priv->speaker_id != NULL) { - // Speaker id need to be checked for ASUS only. - spk_id = gpiod_get_value(tas_priv->speaker_id); - if (spk_id < 0) { - // Speaker id is not valid, use default. - dev_dbg(tas_priv->dev, "Wrong spk_id = %d\n", spk_id); - spk_id = 0; - } + if (tas_priv->speaker_id >= 0) { snprintf(tas_priv->coef_binaryname, sizeof(tas_priv->coef_binaryname), "TAS2XXX%04X%d.bin", lower_16_bits(codec->core.subsystem_id), - spk_id); + tas_priv->speaker_id); } else { snprintf(tas_priv->coef_binaryname, sizeof(tas_priv->coef_binaryname), base-commit: 211ddde0823f1442e4ad052a2f30f050145ccada -- 2.51.1

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[PATCH] rtc: Fix error handling in devm_rtc_allocate_device

by Ma Ke

In rtc_allocate_device(), device_initialize() sets the reference count to 1. In rtc_allocate_device(), when devm_add_action_or_reset() or dev_set_name() fails after successful device initialization via device_initialize(), rtc_allocate_device() returns an error without properly calling put_device() and releasing the reference count. Add proper error handling that calls put_device() in all error paths after device_initialize(), ensuring proper resource cleanup. Found by code review. Cc: stable(a)vger.kernel.org Fixes: 3068a254d551 ("rtc: introduce new registration method") Signed-off-by: Ma Ke <make24(a)iscas.ac.cn> --- drivers/rtc/class.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c index b1a2be1f9e3b..db5f33a22b14 100644 --- a/drivers/rtc/class.c +++ b/drivers/rtc/class.c @@ -379,13 +379,17 @@ struct rtc_device *devm_rtc_allocate_device(struct device *dev) rtc->dev.parent = dev; err = devm_add_action_or_reset(dev, devm_rtc_release_device, rtc); if (err) - return ERR_PTR(err); + goto err_put_device; err = dev_set_name(&rtc->dev, "rtc%d", id); if (err) - return ERR_PTR(err); + goto err_put_device; return rtc; + +err_put_device: + put_device(&rtc->dev); + return ERR_PTR(err); } EXPORT_SYMBOL_GPL(devm_rtc_allocate_device); -- 2.17.1

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by Mr, Lee Timur

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[GIT PULL] KVM/arm64 fixes for 6.18, take #2

by Marc Zyngier

Paolo, Much later than expected, but here's the second set of fixes KVM/arm64 for 6.18. The core changes are mostly fixes for a bunch of recent regressions, plus a couple that address the way pKVM deals with untrusted data. The rest address a couple of selftests, and Oliver's new email address. Please pull, M. The following changes since commit ca88ecdce5f51874a7c151809bd2c936ee0d3805: arm64: Revamp HCR_EL2.E2H RES1 detection (2025-10-14 08:18:40 +0100) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-6.18-2 for you to fetch changes up to 4af235bf645516481a82227d82d1352b9788903a: MAINTAINERS: Switch myself to using kernel.org address (2025-11-08 11:21:20 +0000) ---------------------------------------------------------------- KVM/arm654 fixes for 6.18, take #2 * Core fixes - Fix trapping regression when no in-kernel irqchip is present (20251021094358.1963807-1-sascha.bischoff(a)arm.com) - Check host-provided, untrusted ranges and offsets in pKVM (20251016164541.3771235-1-vdonnefort(a)google.com) (20251017075710.2605118-1-sebastianene(a)google.com) - Fix regression restoring the ID_PFR1_EL1 register (20251030122707.2033690-1-maz(a)kernel.org - Fix vgic ITS locking issues when LPIs are not directly injected (20251107184847.1784820-1-oupton(a)kernel.org) * Test fixes - Correct target CPU programming in vgic_lpi_stress selftest (20251020145946.48288-1-mdittgen(a)amazon.de) - Fix exposure of SCTLR2_EL2 and ZCR_EL2 in get-reg-list selftest (20251023-b4-kvm-arm64-get-reg-list-sctlr-el2-v1-1-088f88ff992a(a)kernel.org) (20251024-kvm-arm64-get-reg-list-zcr-el2-v1-1-0cd0ff75e22f(a)kernel.org) * Misc - Update Oliver's email address (20251107012830.1708225-1-oupton(a)kernel.org) ---------------------------------------------------------------- Marc Zyngier (3): KVM: arm64: Make all 32bit ID registers fully writable KVM: arm64: Set ID_{AA64PFR0,PFR1}_EL1.GIC when GICv3 is configured KVM: arm64: Limit clearing of ID_{AA64PFR0,PFR1}_EL1.GIC to userspace irqchip Mark Brown (2): KVM: arm64: selftests: Add SCTLR2_EL2 to get-reg-list KVM: arm64: selftests: Filter ZCR_EL2 in get-reg-list Maximilian Dittgen (1): KVM: selftests: fix MAPC RDbase target formatting in vgic_lpi_stress Oliver Upton (3): KVM: arm64: vgic-v3: Reinstate IRQ lock ordering for LPI xarray KVM: arm64: vgic-v3: Release reserved slot outside of lpi_xa's lock MAINTAINERS: Switch myself to using kernel.org address Sascha Bischoff (1): KVM: arm64: vgic-v3: Trap all if no in-kernel irqchip Sebastian Ene (1): KVM: arm64: Check the untrusted offset in FF-A memory share Vincent Donnefort (1): KVM: arm64: Check range args for pKVM mem transitions .mailmap | 3 +- MAINTAINERS | 2 +- arch/arm64/kvm/hyp/nvhe/ffa.c | 9 ++- arch/arm64/kvm/hyp/nvhe/mem_protect.c | 28 +++++++++ arch/arm64/kvm/sys_regs.c | 71 ++++++++++++---------- arch/arm64/kvm/vgic/vgic-debug.c | 16 +++-- arch/arm64/kvm/vgic/vgic-init.c | 16 ++++- arch/arm64/kvm/vgic/vgic-its.c | 18 +++--- arch/arm64/kvm/vgic/vgic-v3.c | 3 +- arch/arm64/kvm/vgic/vgic.c | 23 ++++--- tools/testing/selftests/kvm/arm64/get-reg-list.c | 3 + tools/testing/selftests/kvm/lib/arm64/gic_v3_its.c | 9 ++- 12 files changed, 137 insertions(+), 64 deletions(-)

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[PATCH v2 0/1] Bluetooth: btusb: add new custom firmwares

by Shuai Zhang

add new custom firmwares Please refer to the link for information about the qcs2066 folder. a3f9f6dd047a ("Bluetooth: btusb: QCA: Support downloading custom-made firmwares") Changes for v2 - Add a more detailed description of the patch. - remove CC stable - V1 link https://lore.kernel.org/all/20251107021345.2759890-1-quic_shuaz@quicinc.com/ Shuai Zhang (1): Bluetooth: btusb: add new custom firmwares drivers/bluetooth/btusb.c | 1 + 1 file changed, 1 insertion(+) -- 2.34.1

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FAILED: patch "[PATCH] wifi: mac80211: use wiphy_hrtimer_work for ttlm_work" failed to apply to 6.12-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.12-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.12.y git checkout FETCH_HEAD git cherry-pick -x dfa865d490b1bd252045463588a91a4d3c82f3c8 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025110934-construct-gestate-8ed7@gregkh' --subject-prefix 'PATCH 6.12.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From dfa865d490b1bd252045463588a91a4d3c82f3c8 Mon Sep 17 00:00:00 2001 From: Benjamin Berg <benjamin.berg(a)intel.com> Date: Tue, 28 Oct 2025 12:58:38 +0200 Subject: [PATCH] wifi: mac80211: use wiphy_hrtimer_work for ttlm_work The work item may be scheduled relatively far in the future. As the event happens at a specific point in time, the normal timer accuracy is not sufficient in that case. Switch to use wiphy_hrtimer_work so that the accuracy is sufficient. CC: stable(a)vger.kernel.org Fixes: 702e80470a33 ("wifi: mac80211: support handling of advertised TID-to-link mapping") Signed-off-by: Benjamin Berg <benjamin.berg(a)intel.com> Reviewed-by: Johannes Berg <johannes.berg(a)intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit(a)intel.com> Link: https://patch.msgid.link/20251028125710.83c2c611545e.I35498a6d883ea24b0dc49… Signed-off-by: Johannes Berg <johannes.berg(a)intel.com> diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 73fd86ec1bce..eb22279c6e01 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -616,7 +616,7 @@ struct ieee80211_if_managed { u16 removed_links; /* TID-to-link mapping support */ - struct wiphy_delayed_work ttlm_work; + struct wiphy_hrtimer_work ttlm_work; struct ieee80211_adv_ttlm_info ttlm_info; struct wiphy_work teardown_ttlm_work; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 3b5827ea438e..623a46b3214e 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -45,7 +45,7 @@ #define IEEE80211_ASSOC_TIMEOUT_SHORT (HZ / 10) #define IEEE80211_ASSOC_MAX_TRIES 3 -#define IEEE80211_ADV_TTLM_SAFETY_BUFFER_MS msecs_to_jiffies(100) +#define IEEE80211_ADV_TTLM_SAFETY_BUFFER_MS (100 * USEC_PER_MSEC) #define IEEE80211_ADV_TTLM_ST_UNDERFLOW 0xff00 #define IEEE80211_NEG_TTLM_REQ_TIMEOUT (HZ / 5) @@ -4242,7 +4242,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, memset(&sdata->u.mgd.ttlm_info, 0, sizeof(sdata->u.mgd.ttlm_info)); - wiphy_delayed_work_cancel(sdata->local->hw.wiphy, &ifmgd->ttlm_work); + wiphy_hrtimer_work_cancel(sdata->local->hw.wiphy, &ifmgd->ttlm_work); memset(&sdata->vif.neg_ttlm, 0, sizeof(sdata->vif.neg_ttlm)); wiphy_delayed_work_cancel(sdata->local->hw.wiphy, @@ -7095,7 +7095,7 @@ static void ieee80211_process_adv_ttlm(struct ieee80211_sub_if_data *sdata, /* if a planned TID-to-link mapping was cancelled - * abort it */ - wiphy_delayed_work_cancel(sdata->local->hw.wiphy, + wiphy_hrtimer_work_cancel(sdata->local->hw.wiphy, &sdata->u.mgd.ttlm_work); } else if (sdata->u.mgd.ttlm_info.active) { /* if no TID-to-link element, set to default mapping in @@ -7130,7 +7130,7 @@ static void ieee80211_process_adv_ttlm(struct ieee80211_sub_if_data *sdata, if (ttlm_info.switch_time) { u16 beacon_ts_tu, st_tu, delay; - u32 delay_jiffies; + u64 delay_usec; u64 mask; /* The t2l map switch time is indicated with a partial @@ -7152,23 +7152,23 @@ static void ieee80211_process_adv_ttlm(struct ieee80211_sub_if_data *sdata, if (delay > IEEE80211_ADV_TTLM_ST_UNDERFLOW) return; - delay_jiffies = TU_TO_JIFFIES(delay); + delay_usec = ieee80211_tu_to_usec(delay); /* Link switching can take time, so schedule it * 100ms before to be ready on time */ - if (delay_jiffies > IEEE80211_ADV_TTLM_SAFETY_BUFFER_MS) - delay_jiffies -= + if (delay_usec > IEEE80211_ADV_TTLM_SAFETY_BUFFER_MS) + delay_usec -= IEEE80211_ADV_TTLM_SAFETY_BUFFER_MS; else - delay_jiffies = 0; + delay_usec = 0; sdata->u.mgd.ttlm_info = ttlm_info; - wiphy_delayed_work_cancel(sdata->local->hw.wiphy, + wiphy_hrtimer_work_cancel(sdata->local->hw.wiphy, &sdata->u.mgd.ttlm_work); - wiphy_delayed_work_queue(sdata->local->hw.wiphy, + wiphy_hrtimer_work_queue(sdata->local->hw.wiphy, &sdata->u.mgd.ttlm_work, - delay_jiffies); + us_to_ktime(delay_usec)); return; } } @@ -8802,7 +8802,7 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata) timer_setup(&ifmgd->conn_mon_timer, ieee80211_sta_conn_mon_timer, 0); wiphy_delayed_work_init(&ifmgd->tx_tspec_wk, ieee80211_sta_handle_tspec_ac_params_wk); - wiphy_delayed_work_init(&ifmgd->ttlm_work, + wiphy_hrtimer_work_init(&ifmgd->ttlm_work, ieee80211_tid_to_link_map_work); wiphy_delayed_work_init(&ifmgd->neg_ttlm_timeout_work, ieee80211_neg_ttlm_timeout_work);

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FAILED: patch "[PATCH] wifi: mac80211: use wiphy_hrtimer_work for ml_reconf_work" failed to apply to 6.12-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.12-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.12.y git checkout FETCH_HEAD git cherry-pick -x 3f654d53dff565095d83a84e3b6187526dadf4c8 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025110916-yodel-snowcap-81c9@gregkh' --subject-prefix 'PATCH 6.12.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 3f654d53dff565095d83a84e3b6187526dadf4c8 Mon Sep 17 00:00:00 2001 From: Benjamin Berg <benjamin.berg(a)intel.com> Date: Tue, 28 Oct 2025 12:58:39 +0200 Subject: [PATCH] wifi: mac80211: use wiphy_hrtimer_work for ml_reconf_work The work item may be scheduled relatively far in the future. As the event happens at a specific point in time, the normal timer accuracy is not sufficient in that case. Switch to use wiphy_hrtimer_work so that the accuracy is sufficient. CC: stable(a)vger.kernel.org Fixes: 8eb8dd2ffbbb ("wifi: mac80211: Support link removal using Reconfiguration ML element") Signed-off-by: Benjamin Berg <benjamin.berg(a)intel.com> Reviewed-by: Johannes Berg <johannes.berg(a)intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit(a)intel.com> Link: https://patch.msgid.link/20251028125710.24a7b54e9e37.I063c5c15bf7672f94cea7… Signed-off-by: Johannes Berg <johannes.berg(a)intel.com> diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index eb22279c6e01..eb38049b2252 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -612,7 +612,7 @@ struct ieee80211_if_managed { u8 *assoc_req_ies; size_t assoc_req_ies_len; - struct wiphy_delayed_work ml_reconf_work; + struct wiphy_hrtimer_work ml_reconf_work; u16 removed_links; /* TID-to-link mapping support */ diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 623a46b3214e..f95bcf84ecc2 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -4249,7 +4249,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, &ifmgd->neg_ttlm_timeout_work); sdata->u.mgd.removed_links = 0; - wiphy_delayed_work_cancel(sdata->local->hw.wiphy, + wiphy_hrtimer_work_cancel(sdata->local->hw.wiphy, &sdata->u.mgd.ml_reconf_work); wiphy_work_cancel(sdata->local->hw.wiphy, @@ -6876,7 +6876,7 @@ static void ieee80211_ml_reconfiguration(struct ieee80211_sub_if_data *sdata, /* In case the removal was cancelled, abort it */ if (sdata->u.mgd.removed_links) { sdata->u.mgd.removed_links = 0; - wiphy_delayed_work_cancel(sdata->local->hw.wiphy, + wiphy_hrtimer_work_cancel(sdata->local->hw.wiphy, &sdata->u.mgd.ml_reconf_work); } return; @@ -6906,9 +6906,9 @@ static void ieee80211_ml_reconfiguration(struct ieee80211_sub_if_data *sdata, } sdata->u.mgd.removed_links = removed_links; - wiphy_delayed_work_queue(sdata->local->hw.wiphy, + wiphy_hrtimer_work_queue(sdata->local->hw.wiphy, &sdata->u.mgd.ml_reconf_work, - TU_TO_JIFFIES(delay)); + us_to_ktime(ieee80211_tu_to_usec(delay))); } static int ieee80211_ttlm_set_links(struct ieee80211_sub_if_data *sdata, @@ -8793,7 +8793,7 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata) ieee80211_csa_connection_drop_work); wiphy_delayed_work_init(&ifmgd->tdls_peer_del_work, ieee80211_tdls_peer_del_work); - wiphy_delayed_work_init(&ifmgd->ml_reconf_work, + wiphy_hrtimer_work_init(&ifmgd->ml_reconf_work, ieee80211_ml_reconf_work); wiphy_delayed_work_init(&ifmgd->reconf.wk, ieee80211_ml_sta_reconf_timeout);

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FAILED: patch "[PATCH] scsi: ufs: core: Add a quirk to suppress link_startup_again" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x d34caa89a132cd69efc48361d4772251546fdb88 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025110907-aloof-vocally-61bd@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From d34caa89a132cd69efc48361d4772251546fdb88 Mon Sep 17 00:00:00 2001 From: Adrian Hunter <adrian.hunter(a)intel.com> Date: Fri, 24 Oct 2025 11:59:16 +0300 Subject: [PATCH] scsi: ufs: core: Add a quirk to suppress link_startup_again ufshcd_link_startup() has a facility (link_startup_again) to issue DME_LINKSTARTUP a 2nd time even though the 1st time was successful. Some older hardware benefits from that, however the behaviour is non-standard, and has been found to cause link startup to be unreliable for some Intel Alder Lake based host controllers. Add UFSHCD_QUIRK_PERFORM_LINK_STARTUP_ONCE to suppress link_startup_again, in preparation for setting the quirk for affected controllers. Fixes: 7dc9fb47bc9a ("scsi: ufs: ufs-pci: Add support for Intel ADL") Cc: stable(a)vger.kernel.org Signed-off-by: Adrian Hunter <adrian.hunter(a)intel.com> Reviewed-by: Bart Van Assche <bvanassche(a)acm.org> Link: https://patch.msgid.link/20251024085918.31825-3-adrian.hunter@intel.com Signed-off-by: Martin K. Petersen <martin.petersen(a)oracle.com> diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 2b76f543d072..453a99ec6282 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -5066,7 +5066,8 @@ static int ufshcd_link_startup(struct ufs_hba *hba) * If UFS device isn't active then we will have to issue link startup * 2 times to make sure the device state move to active. */ - if (!ufshcd_is_ufs_dev_active(hba)) + if (!(hba->quirks & UFSHCD_QUIRK_PERFORM_LINK_STARTUP_ONCE) && + !ufshcd_is_ufs_dev_active(hba)) link_startup_again = true; link_startup: diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index 9425cfd9d00e..0f95576bf1f6 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -688,6 +688,13 @@ enum ufshcd_quirks { * single doorbell mode. */ UFSHCD_QUIRK_BROKEN_LSDBS_CAP = 1 << 25, + + /* + * This quirk indicates that DME_LINKSTARTUP should not be issued a 2nd + * time (refer link_startup_again) after the 1st time was successful, + * because it causes link startup to become unreliable. + */ + UFSHCD_QUIRK_PERFORM_LINK_STARTUP_ONCE = 1 << 26, }; enum ufshcd_caps {

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