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X1G+i25Cn4YnnEqosSCSczXx1a2ktI444i7L1aYHdUXUAjilJXnjjGwcSEq8ssmKOfYbikL/6U2XbT17SGEW8g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR11MB5171 X-OriginatorOrg: intel.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260714_005155_385844_B1FE979F X-CRM114-Status: GOOD ( 17.94 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 13/07/2026 07:38, ziniu.wang_1@oss.nxp.com wrote: > From: Luke Wang > > This series fixes several suspend/resume issues in the sdhci-esdhc-imx > driver, primarily affecting SDIO devices (e.g., WiFi). > > Issues fixed: > - Tuning delay values not saved/restored for out-of-band wakeup devices > - DLL override lost after resume for DDR modes > - Pinctrl not restored before DDR_EN is set, causing CRC errors > - Unhandled interrupt during resume causing "nobody cared" warning > - Various error handling issues in suspend/resume paths > > All patches now carry a Fixes tag pointing at v6.16. Patches 2-8 fix > regressions introduced by commit 676a83855614 ("mmc: host: > sdhci-esdhc-imx: refactor the system PM logic") in v6.16; patch 1 fixes > commit c63d25cdc59a ("mmc: sdhci-esdhc-imx: Save tuning value when card > stays powered in suspend"), also in v6.16. > > Changes since v5: > - Added Fixes tags to all remaining patches (patch 3, 6, 7, 8) so the > whole series is properly tagged for stable, as requested by Ulf. > No functional changes. > > Changes since v4: > - New patch 3: Fix esdhc_change_pinstate() to move IS_ERR checks for > pins_100mhz/pins_200mhz into their respective switch cases, so that > legacy timing modes can still reach pinctrl_select_default_state(). > This avoids log spam on resume for devices without UHS pin states (Sashiko) > > Changes since v3: > - Patch 2: Remove unused 'boarddata' variable in esdhc_set_uhs_signaling() > - Patch 7: Expand commit message to document intentional skip of enable_irq() > and sdhci_disable_irq_wakeups() on early return, and explain why the > PM runtime usage counter leak is acceptable (Sashiko) > > Changes since v2: > - Patch 3: Updated commit message to explain the SoC IP integration > detail about internal loopback path change when switching pinctrl > from GPIO to USDHC function (per Bough Chen suggestion) > - Patch 5 (v2): Split into three separate patches (5/6/7) so each > patch fixes one problem (per Frank Li suggestion) > > Changes since v1: > - Added patch 5 to fix error handling issues identified during review > - Use pm_runtime_resume_and_get() instead of pm_runtime_get_sync() > - Make pinctrl and cd-wake failures non-fatal (dev_warn only) > - Use esdhc_change_pinstate() instead of pinctrl_pm_select_default_state() > in resume to restore correct pin state based on timing mode > - Skip pinctrl restore for wakeup devices to avoid SD bus glitch > - Check pm_runtime_force_resume() return value in resume > > Luke Wang (8): > mmc: sdhci-esdhc-imx: remove unnecessary mmc_card_wake_sdio_irq check > for tuning save/restore > mmc: sdhci-esdhc-imx: restore DLL override for DDR modes on resume > mmc: sdhci-esdhc-imx: fix esdhc_change_pinstate() to allow default > state restore > mmc: sdhci-esdhc-imx: restore pinctrl before restoring ios timing on > resume > mmc: sdhci-esdhc-imx: disable irq during suspend to fix unhandled > interrupt > mmc: sdhci-esdhc-imx: use pm_runtime_resume_and_get() in suspend > mmc: sdhci-esdhc-imx: make non-fatal errors non-blocking in suspend > mmc: sdhci-esdhc-imx: fix resume error handling > > drivers/mmc/host/sdhci-esdhc-imx.c | 84 ++++++++++++++++++++---------- > 1 file changed, 56 insertions(+), 28 deletions(-) > Already acked patches 1 and 2, but now for all the rest: Acked-by: Adrian Hunter