[U-Boot] drivers: usb: dwc3: setup phy before dwc3 core soft reset
diff mbox series

Message ID 9b714bb2e06e947416d11a4d01e6bcee2a89360b.1568213138.git.michal.simek@xilinx.com
State New
Delegated to: Michal Simek
Headers show
  • [U-Boot] drivers: usb: dwc3: setup phy before dwc3 core soft reset
Related show

Commit Message

Michal Simek Sept. 11, 2019, 2:45 p.m. UTC
From: T Karthik Reddy <t.karthik.reddy@xilinx.com>

Phy setup should be done before dwc3 soft core reset as it is done
in linux & this fixes unreliable detection of usb cable on host side.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

 drivers/usb/dwc3/core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff mbox series

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 56e2a046bf06..2498f0efb1a4 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -440,6 +440,8 @@  static int dwc3_core_init(struct dwc3 *dwc)
 		goto err0;
+	dwc3_phy_setup(dwc);
 	ret = dwc3_core_soft_reset(dwc);
 	if (ret)
 		goto err0;
@@ -514,8 +516,6 @@  static int dwc3_core_init(struct dwc3 *dwc)
 	dwc3_writel(dwc->regs, DWC3_GCTL, reg);
-	dwc3_phy_setup(dwc);
 	ret = dwc3_alloc_scratch_buffers(dwc);
 	if (ret)
 		goto err0;