Hello.
On 25-11-2013 23:39, Daniel Mack wrote:
It appears not all platforms featuring a musb core need to save the musb
core registers at suspend time and restore them on resume.
The dsps platform does, however. So add a bit in struct
musb_hdrc_platform_data to let platforms specify their need of such
action being taken.
Signed-off-by: Daniel Mack <[email protected]>
[...]
diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h
index eb50525..e5a581c 100644
--- a/include/linux/usb/musb.h
+++ b/include/linux/usb/musb.h
@@ -99,6 +99,9 @@ struct musb_hdrc_platform_data {
/* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */
u8 mode;
+ /* should the musb core restore registers after suspend? */
+ u8 restore_after_suspend:1;
+
Better placement seems to be with 'extvbus' field which is also 1-bit --
that would save space in the structure.
WBR, Sergei
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