[PATCH] usb: gadget: udc: renesas-usb3: clear VBOUT bit in DRD_CON
From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Date: 2016-08-23 12:12:39
Also in:
linux-renesas-soc
Subsystem:
the rest, usb subsystem · Maintainers:
Linus Torvalds, Greg Kroah-Hartman
This driver should clear the bit. Otherwise, the VBUS will output
wrongly if the usb port on a board has VBUS output capability.
Fixes: 746bfe63bba3 ("usb: gadget: renesas_usb3: add support for
Renesas USB3.0 peripheral controller")
Cc: <redacted> # v4.5+
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
---
drivers/usb/gadget/udc/renesas_usb3.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index 93a3bec..fb8fc34 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c@@ -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);
--
1.9.1