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mmc: core: convert slot functions to managed allocation

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This prepares for the addition of further slot functions.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Guennadi Liakhovetski
2012-05-01 16:51:38 +02:00
committed by Chris Ball
parent befe4048d8
commit a7d1a1ebd8
3 changed files with 43 additions and 13 deletions
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3
include/linux/mmc/host.h
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@@ -11,6 +11,7 @@
#define LINUX_MMC_HOST_H
#include <linux/leds.h>
#include <linux/mutex.h>
#include <linux/sched.h>
#include <linux/device.h>
#include <linux/fault-inject.h>
@@ -154,6 +155,7 @@ struct mmc_async_req {
* struct mmc_slot - MMC slot functions
*
* @cd_irq: MMC/SD-card slot hotplug detection IRQ or -EINVAL
* @lock: protect the @handler_priv pointer
* @handler_priv: MMC/SD-card slot context
*
* Some MMC/SD host controllers implement slot-functions like card and
@@ -163,6 +165,7 @@ struct mmc_async_req {
*/
struct mmc_slot {
int cd_irq;
struct mutex lock;
void *handler_priv;
};