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mmc: extend and rename cd-gpio helpers to handle more slot GPIO functions

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GPIOs can be used in MMC/SD-card slots not only for hotplug detection, but
also to implement the write-protection pin. Rename cd-gpio helpers to
slot-gpio to make addition of further slot GPIO functions possible.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Guennadi Liakhovetski
2012-04-30 23:31:57 +02:00
committed by Chris Ball
parent 0f506a9669
commit fd0ea65d3e
4 changed files with 32 additions and 32 deletions
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8
include/linux/mmc/cd-gpio.h → include/linux/mmc/slot-gpio.h
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@@ -8,11 +8,11 @@
* published by the Free Software Foundation.
*/
#ifndef MMC_CD_GPIO_H
#define MMC_CD_GPIO_H
#ifndef MMC_SLOT_GPIO_H
#define MMC_SLOT_GPIO_H
struct mmc_host;
int mmc_cd_gpio_request(struct mmc_host *host, unsigned int gpio);
void mmc_cd_gpio_free(struct mmc_host *host);
int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio);
void mmc_gpio_free_cd(struct mmc_host *host);
#endif