On Wed, May 09, 2012 at 06:51:04AM +0100, Ben Hutchings wrote: > 3.2-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Kishon Vijay Abraham I <[email protected]> > > commit 8ae8090c82eb407267001f75b3d256b3bd4ae691 upstream.
After applying this it seems we need also this upstream commit applied in addition: 320cd1e750f1bf3e47eb41209dcb2be07264cb76 > > During modprobe of gadget driver, pullup is called after > udc_start. In order to make the exit path symmetric when > removing a gadget driver, call pullup before ->udc_stop. > > This is needed to avoid issues with PM where udc_stop > disables the module completely (put IP in reset state, > cut functional and interface clocks, and so on), which > prevents us from accessing the IP's address space, > thus creating the possibility of an abort exception > when we try to access IP's address space after clocks > are off. > > Signed-off-by: Partha Basak <[email protected]> > Signed-off-by: Kishon Vijay Abraham I <[email protected]> > Signed-off-by: Felipe Balbi <[email protected]> > Signed-off-by: Ben Hutchings <[email protected]> > --- > drivers/usb/gadget/udc-core.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c > index c261887..2fa9865 100644 > --- a/drivers/usb/gadget/udc-core.c > +++ b/drivers/usb/gadget/udc-core.c > @@ -264,8 +264,8 @@ static void usb_gadget_remove_driver(struct usb_udc *udc) > if (udc_is_newstyle(udc)) { > udc->driver->disconnect(udc->gadget); > udc->driver->unbind(udc->gadget); > - usb_gadget_udc_stop(udc->gadget, udc->driver); > usb_gadget_disconnect(udc->gadget); > + usb_gadget_udc_stop(udc->gadget, udc->driver); > } else { > usb_gadget_stop(udc->gadget, udc->driver); > } > -- > 1.7.10 > > > > -- > To unsubscribe from this list: send the line "unsubscribe stable" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
