From: Sergey Yanovich Date: Thu, 14 Mar 2013 01:23:13 +0000 (+0400) Subject: mmc: core: wait while adding MMC host to ensure root mounts successfully X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3500ed90b26a9935b943b5e2e4cd3226600d6b58;p=linux-beck.git mmc: core: wait while adding MMC host to ensure root mounts successfully MMC hosts are added asynchronously. We need to wait until detect returns to avoid failed root filesystem mounts. VFS: Cannot open root device "mmcblk0p1" or unknown-block(0,0): error -6 Please append a correct "root=" boot option; here are the available partitions: mmc0: host does not support reading read-only switch. assuming write-enable. 1f00 256 mtdblock0 (driver?) 1f01 256 mtdblock1 (driver?) 1f02 2560 mtdblock2 mmc0: new SDHC card at address b368 (driver?) 1f03 29696 mtdblock3 (driver?) 1f04 16384 mtdblock4 mmcblk0: mmc0:b368 USD 3.72 GiB (driver?) mmcblk0: p1 b300 3910656 mmcblk0 driver: mmcblk b301 3906560 mmcblk0p1 00000000-01 Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) Signed-off-by: Sergey Yanovich Signed-off-by: Chris Ball --- diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 3bf1c462eded..ad7decc3340a 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -2418,6 +2418,7 @@ void mmc_start_host(struct mmc_host *host) host->rescan_disable = 0; mmc_power_up(host); mmc_detect_change(host, 0); + mmc_flush_scheduled_work(); } void mmc_stop_host(struct mmc_host *host)