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Commit 307bc11f authored by Minas Harutyunyan's avatar Minas Harutyunyan Committed by Felipe Balbi
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usb: dwc2: gadget: On USB RESET reset device address to zero 



Reseted DEVADDR field in DCFG to zero on USB RESET.

Device address in DCFG register does not reset to zero,
which required to pass enumeration, after disconnect and
reconnect.

Acked-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarMinas Harutyunyan <hminas@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 4a71fcb8

drivers/usb/dwc2/gadget.c

+3 −0
Original line number Diff line number Diff line
@@ -3573,6 +3573,9 @@ static irqreturn_t dwc2_hsotg_irq(int irq, void *pw) 
		/* Report disconnection if it is not already done. */

		dwc2_hsotg_disconnect(hsotg);



		/* Reset device address to zero */

		__bic32(hsotg->regs + DCFG, DCFG_DEVADDR_MASK);



		if (usb_status & GOTGCTL_BSESVLD && connected)

			dwc2_hsotg_core_init_disconnected(hsotg, true);

	}