diff options
| author | Ajay Agarwal <ajaya@codeaurora.org> | 2019-08-30 14:11:00 +0530 |
|---|---|---|
| committer | Ajay Agarwal <ajaya@codeaurora.org> | 2019-09-12 17:49:42 +0530 |
| commit | d418b9a1df7e92e22646f72fd2f3b7515b4316ea (patch) | |
| tree | 75500b15f857d41f3f209107ab08059a85a4af48 /drivers/usb/phy | |
| parent | b2c10286f7e3250fbb1473c28d1a7fd40e091d37 (diff) | |
usb: dwc3-msm: Try core reset and reinit if PHY PLL lock fails
Add support for retrying core reset and re-initialization in host
mode if the PHY PLL lock failure is seen. Also, increase the lock
timeout to 50 msec.
Change-Id: I8c8db60dcd73b7cf05598538d0c519b1b1e2417f
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
Diffstat (limited to 'drivers/usb/phy')
| -rw-r--r-- | drivers/usb/phy/phy-msm-qusb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/phy/phy-msm-qusb.c b/drivers/usb/phy/phy-msm-qusb.c index ae72ec6b3d19..1b09c028d098 100644 --- a/drivers/usb/phy/phy-msm-qusb.c +++ b/drivers/usb/phy/phy-msm-qusb.c @@ -862,7 +862,7 @@ static int qusb_phy_init(struct usb_phy *phy) wmb(); /* Required to get PHY PLL lock successfully */ - usleep_range(100, 110); + usleep_range(50000, 51000); } if (qphy->major_rev < 2) { @@ -881,6 +881,7 @@ static int qusb_phy_init(struct usb_phy *phy) if (pll_lock_fail) { dev_err(phy->dev, "QUSB PHY PLL LOCK fails:%x\n", reg); WARN_ON(1); + return -ETIMEDOUT; } return 0; |