diff options
| author | Hiroshi DOYU <Hiroshi.DOYU@nokia.com> | 2009-03-23 18:07:26 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2009-03-23 18:07:26 -0700 |
| commit | c75ee7520b4ad48a6948f51ca43b2e46ebd3696a (patch) | |
| tree | b3807d91e6bb892db8f35c4e18fd78293926df88 /arch/arm/plat-omap/include | |
| parent | da8cfe03a461fe759041e7f130f96913b262aa6b (diff) | |
| download | kernel_samsung_tuna-c75ee7520b4ad48a6948f51ca43b2e46ebd3696a.zip kernel_samsung_tuna-c75ee7520b4ad48a6948f51ca43b2e46ebd3696a.tar.gz kernel_samsung_tuna-c75ee7520b4ad48a6948f51ca43b2e46ebd3696a.tar.bz2 | |
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')
| -rw-r--r-- | arch/arm/plat-omap/include/mach/mailbox.h | 23 |
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 577db68..b7a6991 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 */ |