Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3e207c8c authored by Adrian Hunter's avatar Adrian Hunter Committed by Ulf Hansson
Browse files

mmc: core: Turn off CQE before sending commands 



CQE needs to be off for the host controller to accept non-CQ commands. Turn
off the CQE before sending commands, and ensure it is off in any reset or
power management paths, or re-tuning.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent d3bf68ae

drivers/mmc/core/core.c

+9 −0
Original line number Diff line number Diff line
@@ -260,6 +260,9 @@ static void __mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) 


	trace_mmc_request_start(host, mrq);



	if (host->cqe_on)

		host->cqe_ops->cqe_off(host);



	host->ops->request(host, mrq);

}
@@ -979,6 +982,9 @@ int mmc_execute_tuning(struct mmc_card *card) 
	if (!host->ops->execute_tuning)

		return 0;



	if (host->cqe_on)

		host->cqe_ops->cqe_off(host);



	if (mmc_card_mmc(card))

		opcode = MMC_SEND_TUNING_BLOCK_HS200;

	else
@@ -1018,6 +1024,9 @@ void mmc_set_bus_width(struct mmc_host *host, unsigned int width) 
 */

void mmc_set_initial_state(struct mmc_host *host)

{

	if (host->cqe_on)

		host->cqe_ops->cqe_off(host);



	mmc_retune_disable(host);



	if (mmc_host_is_spi(host))