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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: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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@ -691,6 +691,7 @@ static void init_controller(struct m66592 *m66592)
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static void disable_controller(struct m66592 *m66592)
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{
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m66592_bclr(m66592, M66592_UTST, M66592_TESTMODE);
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if (!m66592->pdata->on_chip) {
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m66592_bclr(m66592, M66592_SCKE, M66592_SYSCFG);
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udelay(1);
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@ -1048,10 +1049,30 @@ static void clear_feature(struct m66592 *m66592, struct usb_ctrlrequest *ctrl)
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static void set_feature(struct m66592 *m66592, struct usb_ctrlrequest *ctrl)
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{
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u16 tmp;
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int timeout = 3000;
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switch (ctrl->bRequestType & USB_RECIP_MASK) {
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case USB_RECIP_DEVICE:
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control_end(m66592, 1);
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switch (le16_to_cpu(ctrl->wValue)) {
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case USB_DEVICE_TEST_MODE:
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control_end(m66592, 1);
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/* Wait for the completion of status stage */
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do {
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tmp = m66592_read(m66592, M66592_INTSTS0) &
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M66592_CTSQ;
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udelay(1);
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} while (tmp != M66592_CS_IDST || timeout-- > 0);
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if (tmp == M66592_CS_IDST)
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m66592_bset(m66592,
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le16_to_cpu(ctrl->wIndex >> 8),
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M66592_TESTMODE);
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break;
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default:
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pipe_stall(m66592, 0);
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break;
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}
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break;
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case USB_RECIP_INTERFACE:
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control_end(m66592, 1);
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