The forcing of device mode is not needed in the gadget init. This is
already taken care of in the probe just before this is called.
Signed-off-by: John Youn <johnyoun@xxxxxxxxxxxx>
---
drivers/usb/dwc2/gadget.c | 16 ----------------
1 file changed, 16 deletions(-)
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index ba56c2d..4e9fc92 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3531,19 +3531,6 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq)
else if (hsotg->dr_mode == USB_DR_MODE_PERIPHERAL)
hsotg->op_state = OTG_STATE_B_PERIPHERAL;
- /*
- * Force Device mode before initialization.
- * This allows correctly configuring fifo for device mode.
- */
- __bic32(hsotg->regs + GUSBCFG, GUSBCFG_FORCEHOSTMODE);
- __orr32(hsotg->regs + GUSBCFG, GUSBCFG_FORCEDEVMODE);
-
- /*
- * According to Synopsys databook, this sleep is needed for the force
- * device mode to take effect.
- */
- msleep(25);
-
dwc2_core_reset(hsotg);
ret = dwc2_hsotg_hw_cfg(hsotg);
if (ret) {
@@ -3553,9 +3540,6 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq)
dwc2_hsotg_init(hsotg);
- /* Switch back to default configuration */
- __bic32(hsotg->regs + GUSBCFG, GUSBCFG_FORCEDEVMODE);
-
hsotg->ctrl_buff = devm_kzalloc(hsotg->dev,
DWC2_CTRL_BUFF_SIZE, GFP_KERNEL);
if (!hsotg->ctrl_buff) {
--
2.6.3
--
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