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mmc: tmio: document mandatory and optional callbacks 

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Simon Horman 2016-11-03 15:16:01 +01:00 committed by Ulf Hansson
parent 96e0b2ba00
commit 2f87365f83
1 changed files with 4 additions and 1 deletions
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5
drivers/mmc/host/tmio_mmc.h
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@ -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);