> > On Thu, Dec 05, 2013 at 03:20:51PM +0800, Peter Chen wrote: > > According to Freescale imx28 Errata, "ENGR119653 USB: ARM to USB > > register error issue", All USB register write operations must > > use the ARM SWP instruction. So, we implement a special ehci_write > > for imx28. > > > > Discussion for it at below: > > http://marc.info/?l=linux-usb&m=137996395529294&w=2 > > > > Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx> > > Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> > > Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> > > Tested-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> > > --- > > drivers/usb/host/ehci.h | 18 +++++++++++++++++- > > 1 files changed, 17 insertions(+), 1 deletions(-) > > How is this a regression that needs to be fixed in 3.13-final? > Without this patchset, there is lots of usb errors at i.mx28. It was reported at: http://marc.info/?l=linux-usb&m=137996395529294&w=2. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
