xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

omap: mailbox: OMAP4 Mailbox-driver Patch to support tasklet implementation

Browse Source 
This patch uses a tasklet implementation for
sending mailbox messages.

Signed-off-by: C A Subramaniam <subramaniam.ca@ti.com>
Signed-off-by: Ramesh Gupta G <grgupta@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
C A Subramaniam
2009-11-22 10:11:24 -08:00
committed by Tony Lindgren
parent 5e68382592
commit 5ed8d32ea3
2 changed files with 23 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
arch/arm/plat-omap/include/plat/mailbox.h
View File

@@ -6,6 +6,7 @@
#include <linux/wait.h>
#include <linux/workqueue.h>
#include <linux/blkdev.h>
#include <linux/interrupt.h>
typedef u32 mbox_msg_t;
struct omap_mbox;
@@ -28,8 +29,10 @@ struct omap_mbox_ops {
int (*fifo_empty)(struct omap_mbox *mbox);
int (*fifo_full)(struct omap_mbox *mbox);
/* irq */
void (*enable_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
void (*disable_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
void (*enable_irq)(struct omap_mbox *mbox,
omap_mbox_irq_t irq);
void (*disable_irq)(struct omap_mbox *mbox,
omap_mbox_irq_t irq);
void (*ack_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
int (*is_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
/* ctx */
@@ -41,6 +44,7 @@ struct omap_mbox_queue {
spinlock_t lock;
struct request_queue *queue;
struct work_struct work;
struct tasklet_struct tasklet;
int (*callback)(void *);
struct omap_mbox *mbox;
};