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

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>

1 files changed, 6 insertions, 2 deletions

diff --git a/arch/arm/plat-omap/include/plat/mailbox.h b/arch/arm/plat-omap/include/plat/mailbox.h
index bf0695310bde..729166b76a7c 100644
--- a/arch/arm/plat-omap/include/plat/mailbox.h
+++ b/arch/arm/plat-omap/include/plat/mailbox.h
@@ -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;
 };