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[v8,3/6] mmc: tmio: document mandatory and optional callbacks

Message ID 1478182564-18762-4-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State Accepted
Delegated to: Geert Uytterhoeven
Headers show

Commit Message

Simon Horman Nov. 3, 2016, 2:16 p.m. UTC 
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
v5
* New patch
---
 drivers/mmc/host/tmio_mmc.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 8e126afd988c..b93762950e8f 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);