Hi, On Mon, Nov 25, 2013 at 08:39:49PM +0100, 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]> > --- > drivers/usb/musb/musb_core.c | 17 ++++++++++++++++- > include/linux/usb/musb.h | 3 +++ > 2 files changed, 19 insertions(+), 1 deletion(-) > > diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c > index 0a43329..a8ded57 100644 > --- a/drivers/usb/musb/musb_core.c > +++ b/drivers/usb/musb/musb_core.c > @@ -2202,6 +2202,7 @@ static int musb_suspend(struct device *dev) > { > struct musb *musb = dev_to_musb(dev); > unsigned long flags; > + struct musb_hdrc_platform_data *plat = dev_get_platdata(dev);
we don't want to have platform_data on DT-based boot. It's best to just save those registers unconditionally as it doesn't hurt. -- balbi
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