From 2f87365f832bbc26e32f23588aaeb40abe15ff0d Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Thu, 3 Nov 2016 15:16:01 +0100 Subject: [PATCH] mmc: tmio: document mandatory and optional callbacks Signed-off-by: Simon Horman Acked-by: Wolfram Sang Tested-by: Wolfram Sang Signed-off-by: Ulf Hansson --- drivers/mmc/host/tmio_mmc.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h index 839755c7f2b0..f46d25e1612c 100644 --- a/drivers/mmc/host/tmio_mmc.h +++ b/drivers/mmc/host/tmio_mmc.h @@ -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); -- 2.20.1