diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/chipidea/core.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 0ead0b4a11e1..edeec3638684 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -236,7 +236,7 @@ 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: @@ -266,10 +266,12 @@ 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); } } |