Merge tag 'mmc-v6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull mmc fix from Ulf Hansson:

 - Fix regression of detection of eMMC/SD/SDIO cards

* tag 'mmc-v6.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: Revert "mmc: core: Allow mmc_start_host() synchronously detect a card"

Author: torvalds

drivers/mmc/core/core.c

@@ -2199,8 +2199,10 @@ int mmc_card_alternative_gpt_sector(struct mmc_card *card, sector_t *gpt_sector)
 }
 EXPORT_SYMBOL(mmc_card_alternative_gpt_sector);
 
-static void __mmc_rescan(struct mmc_host *host)
+void mmc_rescan(struct work_struct *work)
 {
+	struct mmc_host *host =
+		container_of(work, struct mmc_host, detect.work);
 	int i;
 
 	if (host->rescan_disable)
@@ -2272,14 +2274,6 @@ static void __mmc_rescan(struct mmc_host *host)
 		mmc_schedule_delayed_work(&host->detect, HZ);
 }
 
-void mmc_rescan(struct work_struct *work)
-{
-	struct mmc_host *host =
-		container_of(work, struct mmc_host, detect.work);
-
-	__mmc_rescan(host);
-}
-
 void mmc_start_host(struct mmc_host *host)
 {
 	host->f_init = max(min(freqs[0], host->f_max), host->f_min);
@@ -2292,8 +2286,7 @@ void mmc_start_host(struct mmc_host *host)
 	}
 
 	mmc_gpiod_request_cd_irq(host);
-	host->detect_change = 1;
-	__mmc_rescan(host);
+	_mmc_detect_change(host, 0, false);
 }
 
 void __mmc_stop_host(struct mmc_host *host)