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authorHiroshi DOYU <Hiroshi.DOYU@nokia.com>2009-03-23 18:07:26 -0700
committerTony Lindgren <tony@atomide.com>2009-03-23 18:07:26 -0700
commitc75ee7520b4ad48a6948f51ca43b2e46ebd3696a (patch)
treeb3807d91e6bb892db8f35c4e18fd78293926df88 /arch/arm/plat-omap/include/mach/mailbox.h
parentda8cfe03a461fe759041e7f130f96913b262aa6b (diff)
omap mailbox: add save_/restore_ctx() for PM
To preserve the registers during off-mode Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Diffstat (limited to 'arch/arm/plat-omap/include/mach/mailbox.h')
-rw-r--r--arch/arm/plat-omap/include/mach/mailbox.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/mailbox.h b/arch/arm/plat-omap/include/mach/mailbox.h
index 577db6852f4..b7a6991814e 100644
--- a/arch/arm/plat-omap/include/mach/mailbox.h
+++ b/arch/arm/plat-omap/include/mach/mailbox.h
@@ -33,6 +33,9 @@ struct omap_mbox_ops {
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 */
+ void (*save_ctx)(struct omap_mbox *mbox);
+ void (*restore_ctx)(struct omap_mbox *mbox);
};
struct omap_mbox_queue {
@@ -70,4 +73,24 @@ void omap_mbox_put(struct omap_mbox *);
int omap_mbox_register(struct device *parent, struct omap_mbox *);
int omap_mbox_unregister(struct omap_mbox *);
+static inline void omap_mbox_save_ctx(struct omap_mbox *mbox)
+{
+ if (!mbox->ops->save_ctx) {
+ dev_err(mbox->dev, "%s:\tno save\n", __func__);
+ return;
+ }
+
+ mbox->ops->save_ctx(mbox);
+}
+
+static inline void omap_mbox_restore_ctx(struct omap_mbox *mbox)
+{
+ if (!mbox->ops->restore_ctx) {
+ dev_err(mbox->dev, "%s:\tno restore\n", __func__);
+ return;
+ }
+
+ mbox->ops->restore_ctx(mbox);
+}
+
#endif /* MAILBOX_H */