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

Commit d887874e authored by Johan Rudholm's avatar Johan Rudholm Committed by Chris Ball
Browse files

mmc: core: Add card_busy to host_ops 



This host_ops member is used to test if the card is signaling busy by
pulling dat[0:3] low.

Signed-off-by: default avatarJohan Rudholm <johan.rudholm@stericsson.com>
Acked-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Tested-by: default avatarWei WANG <wei_wang@realsil.com.cn>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent 276e090f

include/linux/mmc/host.h

+3 −0
Original line number Diff line number Diff line
@@ -131,6 +131,9 @@ struct mmc_host_ops { 


	int	(*start_signal_voltage_switch)(struct mmc_host *host, struct mmc_ios *ios);



	/* Check if the card is pulling dat[0:3] low */

	int	(*card_busy)(struct mmc_host *host);



	/* The tuning command opcode value is different for SD and eMMC cards */

	int	(*execute_tuning)(struct mmc_host *host, u32 opcode);

	void	(*enable_preset_value)(struct mmc_host *host, bool enable);