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Commit b2f1eaae authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Felipe Balbi
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usb: gadget: udc: renesas-usb3: clear VBOUT bit in DRD_CON 



This driver should clear the bit. Otherwise, the VBUS will output
wrongly if the usb port on a board has VBUS output capability.

Fixes: 746bfe63 ("usb: gadget: renesas_usb3: add support for
		      Renesas USB3.0 peripheral controller")
Cc: <stable@vger.kernel.org> # v4.5+
Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 9d7aba77

drivers/usb/gadget/udc/renesas_usb3.c

+2 −0
Original line number Diff line number Diff line
@@ -106,6 +106,7 @@ 


/* DRD_CON */

#define DRD_CON_PERI_CON	BIT(24)

#define DRD_CON_VBOUT		BIT(0)



/* USB_INT_ENA_1 and USB_INT_STA_1 */

#define USB_INT_1_B3_PLLWKUP	BIT(31)
@@ -363,6 +364,7 @@ static void usb3_init_epc_registers(struct renesas_usb3 *usb3) 
{

	/* FIXME: How to change host / peripheral mode as well? */

	usb3_set_bit(usb3, DRD_CON_PERI_CON, USB3_DRD_CON);

	usb3_clear_bit(usb3, DRD_CON_VBOUT, USB3_DRD_CON);



	usb3_write(usb3, ~0, USB3_USB_INT_STA_1);

	usb3_enable_irq_1(usb3, USB_INT_1_VBUS_CNG);