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Commit e6f29a8d authored by Michal Miroslaw's avatar Michal Miroslaw Committed by Chris Ball
Browse files

mmc: fix detection of memory part of SD-combo card with broken SDIO 



In case of failure, mmc_attach_sdio() will power off the SD bus.
Power it up and reinitialize before trying SD memory detection.

Reported-by: default avatarSahitya Tummala <stummala@codeaurora.org>
Signed-off-by: default avatarMichał Mirosław <mirq-linux@rere.qmqm.pl>
Reviewed-by: default avatarChris Ball <cjb@laptop.org>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent 080bc977

drivers/mmc/core/core.c

+5 −0
Original line number Diff line number Diff line
@@ -1569,6 +1569,11 @@ void mmc_rescan(struct work_struct *work) 
				 * Try SDMEM (but not MMC) even if SDIO

				 * is broken.

				 */

				mmc_power_up(host);

				sdio_reset(host);

				mmc_go_idle(host);

				mmc_send_if_cond(host, host->ocr_avail);



				if (mmc_send_app_op_cond(host, 0, &ocr))

					goto out_fail;