On Wed, Dec 04, 2013 at 09:56:18AM +0800, Chris Ruehl wrote: > Fix Internal error: : 808 [#1] ARM related to STS flag > > * init the sts flag to 0 (missed) > * fix write the real bit not sts value > * Set PORTCS_STS and DEVLC_STS only if sts = 1 > (prefered solution by Mr. Peter Chen, Maintainer of ChipIdea subsystem) > > Signed-off-by: Chris Ruehl <chris.ruehl@xxxxxxxxxxxx> > --- > drivers/usb/chipidea/core.c | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c > index 9a5ef20..2834801 100644 > --- a/drivers/usb/chipidea/core.c > +++ b/drivers/usb/chipidea/core.c > @@ -243,7 +243,7 @@ static int hw_device_init(struct ci_hdrc *ci, void __iomem *base) > > static void hw_phymode_configure(struct ci_hdrc *ci) > { > - u32 portsc, lpm, sts; > + u32 portsc, lpm, sts = 0; > > switch (ci->platdata->phy_mode) { > case USBPHY_INTERFACE_MODE_UTMI: > @@ -273,10 +273,12 @@ static void hw_phymode_configure(struct ci_hdrc *ci) > > if (ci->hw_bank.lpm) { > hw_write(ci, OP_DEVLC, DEVLC_PTS(7) | DEVLC_PTW, lpm); > - hw_write(ci, OP_DEVLC, DEVLC_STS, sts); > + if (sts) > + hw_write(ci, OP_DEVLC, DEVLC_STS, DEVLC_STS); > } else { > hw_write(ci, OP_PORTSC, PORTSC_PTS(7) | PORTSC_PTW, portsc); > - hw_write(ci, OP_PORTSC, PORTSC_STS, sts); > + if (sts) > + hw_write(ci, OP_PORTSC, PORTSC_STS, PORTSC_STS); > } > } > > -- > 1.7.10.4 > > Applied, Thanks. -- Best Regards, Peter Chen -- 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