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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2012-05-01 16:51:38 +0200
committerChris Ball <cjb@laptop.org>2012-07-21 00:02:17 -0400
commita7d1a1ebd8f5858a812ac3d5fbbc178b4959a63b (patch)
treeb96e8522469e2b228a265db89a9d2bc8f0b5e390 /include
parentbefe4048d8d20483a62636e20f3dbffebf85a1c1 (diff)
downloadlinux-a7d1a1ebd8f5858a812ac3d5fbbc178b4959a63b.tar.bz2
mmc: core: convert slot functions to managed allocation
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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mmc/host.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index c1a03eed1d17..65c64ee578a7 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -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;
};