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usb/fsl_qe_udc: clear data toggle on clear halt request
Fix to comply with USB spec. Signed-off-by: Li Yang <leoli@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -1815,6 +1815,10 @@ static int qe_ep_set_halt(struct usb_ep *_ep, int value)
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udc->ep0_state = WAIT_FOR_SETUP;
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udc->ep0_dir = 0;
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}
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/* set data toggle to DATA0 on clear halt */
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if (value == 0)
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ep->data01 = 0;
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out:
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dev_vdbg(udc->dev, "%s %s halt stat %d\n", ep->ep.name,
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value ? "set" : "clear", status);
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