usb: chipidea: Fix Internal error: : 808 [#1] ARM related to STS flag
* init the sts flag to 0 (missed)
* set the sts flag only if not 0
Signed-off-by: Chris Ruehl <chris.ru...@gtsys.com.hk>
---
drivers/usb/chipidea/core.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 5075407..1a6010e 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -245,6 +245,8 @@ static void hw_phymode_configure(struct ci_hdrc *ci)
{
u32 portsc, lpm, sts = 0;
switch (ci->platdata->phy_mode) {
case USBPHY_INTERFACE_MODE_UTMI:
portsc = PORTSC_PTS(PTS_UTMI);
@@ -273,10 +275,12 @@ 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, 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, sts);
}
}
--
1.7.10.4
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