Hello.
On 24-10-2010 00:45, Mike Frysinger wrote:
From: Bob Liu<lliubbo@xxxxxxxxx>
Split the USB MMR init steps out into a helper func that both the platform
init and the resume code may call.
Then while suspending, the gpio_vrsel will change from high to low which
will generate a wakeup event and resume the system immediately, so we need
to manually drive it low before we sleep.
Signed-off-by: Bob Liu<lliubbo@xxxxxxxxx>
Signed-off-by: Mike Frysinger<vapier@xxxxxxxxxx>
[...]
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index 611a9d2..4410319 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
[...]
@@ -394,6 +399,26 @@ int __init musb_platform_init(struct musb *musb, void *board_data)
return 0;
}
+#ifdef CONFIG_PM
+void musb_platform_save_context(struct musb *musb,
+ struct musb_context_registers *musb_context)
+{
+ if (is_host_active(musb))
+ /*
+ * During hibernate gpio_vrsel will change from high to low which
+ * will generate wakeup event resume the system immediately.
+ * Set it to 0 before hibernate to avoid this wakeup event.
+ */
You still didn't fix the comment style...
WBR, Sergei
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