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-rw-r--r--include/linux/pm.h51
-rw-r--r--include/linux/pm_runtime.h6
-rw-r--r--include/linux/serial_sci.h6
3 files changed, 57 insertions, 6 deletions
diff --git a/include/linux/pm.h b/include/linux/pm.h
index e80df06ad22a..8e258c727971 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -215,20 +215,59 @@ struct dev_pm_ops {
int (*runtime_idle)(struct device *dev);
};
+#ifdef CONFIG_PM_SLEEP
+#define SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
+ .suspend = suspend_fn, \
+ .resume = resume_fn, \
+ .freeze = suspend_fn, \
+ .thaw = resume_fn, \
+ .poweroff = suspend_fn, \
+ .restore = resume_fn,
+#else
+#define SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn)
+#endif
+
+#ifdef CONFIG_PM_RUNTIME
+#define SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
+ .runtime_suspend = suspend_fn, \
+ .runtime_resume = resume_fn, \
+ .runtime_idle = idle_fn,
+#else
+#define SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn)
+#endif
+
/*
* Use this if you want to use the same suspend and resume callbacks for suspend
* to RAM and hibernation.
*/
#define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
const struct dev_pm_ops name = { \
- .suspend = suspend_fn, \
- .resume = resume_fn, \
- .freeze = suspend_fn, \
- .thaw = resume_fn, \
- .poweroff = suspend_fn, \
- .restore = resume_fn, \
+ SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
+}
+
+/*
+ * Use this for defining a set of PM operations to be used in all situations
+ * (sustem suspend, hibernation or runtime PM).
+ */
+#define UNIVERSAL_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \
+const struct dev_pm_ops name = { \
+ SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
+ SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
}
+/*
+ * Use this for subsystems (bus types, device types, device classes) that don't
+ * need any special suspend/resume handling in addition to invoking the PM
+ * callbacks provided by device drivers supporting both the system sleep PM and
+ * runtime PM, make the pm member point to generic_subsys_pm_ops.
+ */
+#ifdef CONFIG_PM_OPS
+extern struct dev_pm_ops generic_subsys_pm_ops;
+#define GENERIC_SUBSYS_PM_OPS (&generic_subsys_pm_ops)
+#else
+#define GENERIC_SUBSYS_PM_OPS NULL
+#endif
+
/**
* PM_EVENT_ messages
*
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index 7d773aac5314..b776db737244 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -62,6 +62,11 @@ static inline void device_set_run_wake(struct device *dev, bool enable)
dev->power.run_wake = enable;
}
+static inline bool pm_runtime_suspended(struct device *dev)
+{
+ return dev->power.runtime_status == RPM_SUSPENDED;
+}
+
#else /* !CONFIG_PM_RUNTIME */
static inline int pm_runtime_idle(struct device *dev) { return -ENOSYS; }
@@ -89,6 +94,7 @@ static inline void pm_runtime_get_noresume(struct device *dev) {}
static inline void pm_runtime_put_noidle(struct device *dev) {}
static inline bool device_run_wake(struct device *dev) { return false; }
static inline void device_set_run_wake(struct device *dev, bool enable) {}
+static inline bool pm_runtime_suspended(struct device *dev) { return false; }
#endif /* !CONFIG_PM_RUNTIME */
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
index 1c297ddc9d5a..1b177d29a7f0 100644
--- a/include/linux/serial_sci.h
+++ b/include/linux/serial_sci.h
@@ -2,6 +2,7 @@
#define __LINUX_SERIAL_SCI_H
#include <linux/serial_core.h>
+#include <asm/dmaengine.h>
/*
* Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts)
@@ -16,6 +17,8 @@ enum {
SCIx_NR_IRQS,
};
+struct device;
+
/*
* Platform device specific platform_data struct
*/
@@ -26,6 +29,9 @@ struct plat_sci_port {
unsigned int type; /* SCI / SCIF / IRDA */
upf_t flags; /* UPF_* flags */
char *clk; /* clock string */
+ struct device *dma_dev;
+ enum sh_dmae_slave_chan_id dma_slave_tx;
+ enum sh_dmae_slave_chan_id dma_slave_rx;
};
#endif /* __LINUX_SERIAL_SCI_H */