ssb: Turn suspend/resume upside down
Turn the SSB bus suspend mechanism upside down.
Instead of deciding by an internal reference count when to suspend/resume,
let the parent bus call us in their suspend/resume routine.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index 8644e03..a8ca396 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -260,9 +260,6 @@
struct ssb_device devices[SSB_MAX_NR_CORES];
u8 nr_devices;
- /* Reference count. Number of suspended devices. */
- u8 suspend_cnt;
-
/* Software ID number for this bus. */
unsigned int busnumber;
@@ -334,6 +331,13 @@
extern void ssb_bus_unregister(struct ssb_bus *bus);
+/* Suspend a SSB bus.
+ * Call this from the parent bus suspend routine. */
+extern int ssb_bus_suspend(struct ssb_bus *bus);
+/* Resume a SSB bus.
+ * Call this from the parent bus resume routine. */
+extern int ssb_bus_resume(struct ssb_bus *bus);
+
extern u32 ssb_clockspeed(struct ssb_bus *bus);
/* Is the device enabled in hardware? */