Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 96fe53ef authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Felipe Balbi
Browse files

usb: gadget: r8a66597-udc: add support for TEST_MODE 



The USB high speed device must support the TEST_MODE, but the driver
didn't support it. When we sent the SET_FEATURE for TEST_MODE to
the driver, the request was successful, but the module didn't enter
the TEST_MODE.

Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent ceaa0a6e

drivers/usb/gadget/r8a66597-udc.c

+22 −1
Original line number Diff line number Diff line
@@ -622,6 +622,7 @@ static void disable_controller(struct r8a66597 *r8a66597) 
{

	if (r8a66597->pdata->on_chip) {

		r8a66597_bset(r8a66597, SCKE, SYSCFG0);

		r8a66597_bclr(r8a66597, UTST, TESTMODE);



		/* disable interrupts */

		r8a66597_write(r8a66597, 0, INTENB0);
@@ -639,6 +640,7 @@ static void disable_controller(struct r8a66597 *r8a66597) 
		r8a66597_bclr(r8a66597, SCKE, SYSCFG0);



	} else {

		r8a66597_bclr(r8a66597, UTST, TESTMODE);

		r8a66597_bclr(r8a66597, SCKE, SYSCFG0);

		udelay(1);

		r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
@@ -1003,10 +1005,29 @@ static void clear_feature(struct r8a66597 *r8a66597, 


static void set_feature(struct r8a66597 *r8a66597, struct usb_ctrlrequest *ctrl)

{

	u16 tmp;

	int timeout = 3000;



	switch (ctrl->bRequestType & USB_RECIP_MASK) {

	case USB_RECIP_DEVICE:

		switch (le16_to_cpu(ctrl->wValue)) {

		case USB_DEVICE_TEST_MODE:

			control_end(r8a66597, 1);

			/* Wait for the completion of status stage */

			do {

				tmp = r8a66597_read(r8a66597, INTSTS0) & CTSQ;

				udelay(1);

			} while (tmp != CS_IDST || timeout-- > 0);



			if (tmp == CS_IDST)

				r8a66597_bset(r8a66597,

					      le16_to_cpu(ctrl->wIndex >> 8),

					      TESTMODE);

			break;

		default:

			pipe_stall(r8a66597, 0);

			break;

		}

		break;

	case USB_RECIP_INTERFACE:

		control_end(r8a66597, 1);