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Commit ceaa0a6e authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Felipe Balbi
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usb: gadget: m66592-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 5154e9f1
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+22 −1
Original line number Diff line number Diff line
@@ -691,6 +691,7 @@ static void init_controller(struct m66592 *m66592)

static void disable_controller(struct m66592 *m66592)
{
	m66592_bclr(m66592, M66592_UTST, M66592_TESTMODE);
	if (!m66592->pdata->on_chip) {
		m66592_bclr(m66592, M66592_SCKE, M66592_SYSCFG);
		udelay(1);
@@ -1048,10 +1049,30 @@ static void clear_feature(struct m66592 *m66592, struct usb_ctrlrequest *ctrl)

static void set_feature(struct m66592 *m66592, 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(m66592, 1);
			/* Wait for the completion of status stage */
			do {
				tmp = m66592_read(m66592, M66592_INTSTS0) &
								M66592_CTSQ;
				udelay(1);
			} while (tmp != M66592_CS_IDST || timeout-- > 0);

			if (tmp == M66592_CS_IDST)
				m66592_bset(m66592,
					    le16_to_cpu(ctrl->wIndex >> 8),
					    M66592_TESTMODE);
			break;
		default:
			pipe_stall(m66592, 0);
			break;
		}
		break;
	case USB_RECIP_INTERFACE:
		control_end(m66592, 1);