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Commit 1fb654fd authored by Andreas Fenkart's avatar Andreas Fenkart Committed by Ulf Hansson
Browse files

mmc: sdio: add reset callback to bus operations 



Some drivers schedule automatic hw resets. An example is mwifiex,
which schedules a card reset if the command handler between driver
and card firmware becomes out of sync

Signed-off-by: default avatarAndreas Fenkart <afenkart@gmail.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent ba155e2d

drivers/mmc/core/sdio.c

+7 −0
Original line number Diff line number Diff line
@@ -1056,6 +1056,12 @@ static int mmc_sdio_runtime_resume(struct mmc_host *host) 
	return mmc_sdio_power_restore(host);

}



static int mmc_sdio_reset(struct mmc_host *host)

{

	mmc_power_cycle(host, host->card->ocr);

	return mmc_sdio_power_restore(host);

}



static const struct mmc_bus_ops mmc_sdio_ops = {

	.remove = mmc_sdio_remove,

	.detect = mmc_sdio_detect,
@@ -1066,6 +1072,7 @@ static const struct mmc_bus_ops mmc_sdio_ops = { 
	.runtime_resume = mmc_sdio_runtime_resume,

	.power_restore = mmc_sdio_power_restore,

	.alive = mmc_sdio_alive,

	.reset = mmc_sdio_reset,

};