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X-Spam-Score: -1.9 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: aisheng.dong@nxp.com, ulf.hansson@linaro.org, dongas86@gmail.com, chris@printf.net, haibo.chen@nxp.com, adrian.hunter@intel.com, shawnguo@kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.2 required=5.0 tests=BAD_ENC_HEADER,BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP During card detection process, mmc core may sends commands to detect if card is still exist in mmc_rescan for removable card which may trigger mmc retuning process after a bit time of runtime pm suspend. Obviously this retuning process is meaningless for card remove case, so we disable mmc_retune in mmc_detect_change() for it. For card insert case, the mmc_retune will be enabled normally in its card initialization process later in mmc_execute_tuning(). So disable it at first has no side effection. CC: stable Signed-off-by: Dong Aisheng --- drivers/mmc/core/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 52bfaf0..76d0802 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1888,6 +1888,7 @@ static void _mmc_detect_change(struct mmc_host *host, unsigned long delay, pm_wakeup_event(mmc_dev(host), 5000); host->detect_change = 1; + mmc_retune_disable(host); mmc_schedule_delayed_work(&host->detect, delay); }