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-rw-r--r--include/linux/mmc/host.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index cbde4b7e675..015eb334ce5 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -292,6 +292,11 @@ struct mmc_host {
int detect_change; /* card detect flag */
struct mmc_hotplug hotplug;
+ struct delayed_work resume; /* deferred resume work */
+ unsigned int pm_state; /* used for deferred resume */
+#define MMC_HOST_DEFERRED_RESUME (1 << 0)
+#define MMC_HOST_NEEDS_RESUME (1 << 1)
+
const struct mmc_bus_ops *bus_ops; /* current bus driver */
unsigned int bus_refs; /* reference counter */
@@ -340,6 +345,7 @@ static inline void *mmc_priv(struct mmc_host *host)
extern int mmc_suspend_host(struct mmc_host *);
extern int mmc_resume_host(struct mmc_host *);
+extern void mmc_resume_host_sync(struct mmc_host *);
extern int mmc_power_save_host(struct mmc_host *host);
extern int mmc_power_restore_host(struct mmc_host *host);
@@ -429,4 +435,15 @@ static inline unsigned int mmc_host_clk_rate(struct mmc_host *host)
return host->ios.clock;
}
#endif
+
+static inline int mmc_host_deferred_resume(struct mmc_host *host)
+{
+ return host->pm_state & MMC_HOST_DEFERRED_RESUME;
+}
+
+static inline int mmc_host_needs_resume(struct mmc_host *host)
+{
+ return host->pm_state & MMC_HOST_NEEDS_RESUME;
+}
+
#endif /* LINUX_MMC_HOST_H */