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-rw-r--r--include/linux/mmc/host.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index e77d7541da3c..ddd7adef8a08 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -201,6 +201,10 @@ struct mmc_host {
const struct mmc_bus_ops *bus_ops; /* current bus driver */
unsigned int bus_refs; /* reference counter */
+ unsigned int bus_resume_flags;
+#define MMC_BUSRESUME_MANUAL_RESUME (1 << 0)
+#define MMC_BUSRESUME_NEEDS_RESUME (1 << 1)
+
unsigned int sdio_irqs;
struct task_struct *sdio_irq_thread;
atomic_t sdio_irq_thread_abort;
@@ -231,6 +235,17 @@ static inline void *mmc_priv(struct mmc_host *host)
#define mmc_dev(x) ((x)->parent)
#define mmc_classdev(x) (&(x)->class_dev)
#define mmc_hostname(x) (dev_name(&(x)->class_dev))
+#define mmc_bus_needs_resume(host) ((host)->bus_resume_flags & MMC_BUSRESUME_NEEDS_RESUME)
+
+static inline void mmc_set_bus_resume_policy(struct mmc_host *host, int manual)
+{
+ if (manual)
+ host->bus_resume_flags |= MMC_BUSRESUME_MANUAL_RESUME;
+ else
+ host->bus_resume_flags &= ~MMC_BUSRESUME_MANUAL_RESUME;
+}
+
+extern int mmc_resume_bus(struct mmc_host *host);
extern int mmc_suspend_host(struct mmc_host *);
extern int mmc_resume_host(struct mmc_host *);