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Commit 2f87365f authored by Simon Horman's avatar Simon Horman Committed by Ulf Hansson
Browse files

mmc: tmio: document mandatory and optional callbacks 



Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
Acked-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 96e0b2ba

drivers/mmc/host/tmio_mmc.h

+4 −1
Original line number Diff line number Diff line
@@ -154,8 +154,10 @@ struct tmio_mmc_host { 
	bool			native_hotplug;

	bool			sdio_irq_enabled;



	int (*write16_hook)(struct tmio_mmc_host *host, int addr);

	/* Mandatory callback */

	int (*clk_enable)(struct tmio_mmc_host *host);



	/* Optional callbacks */

	unsigned int (*clk_update)(struct tmio_mmc_host *host,

				   unsigned int new_clock);

	void (*clk_disable)(struct tmio_mmc_host *host);
@@ -164,6 +166,7 @@ struct tmio_mmc_host { 
	int (*card_busy)(struct mmc_host *mmc);

	int (*start_signal_voltage_switch)(struct mmc_host *mmc,

					   struct mmc_ios *ios);

	int (*write16_hook)(struct tmio_mmc_host *host, int addr);

};



struct tmio_mmc_host *tmio_mmc_host_alloc(struct platform_device *pdev);