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usb: dwc2: gadget: Program ep0_mps for LS

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When device is enumerated in LS we should program ep0_mps accordingly.
USB2 spec says that in LS mode, control ep mps must be 8.

Signed-off-by: Vardan Mikayelyan <mvardan@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Vardan Mikayelyan 2016-11-14 19:17:00 -08:00 committed by Felipe Balbi
parent 1e6b98ebd4
commit 552d940f0b
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/dwc2/gadget.c
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@ -3007,6 +3007,8 @@ static void dwc2_hsotg_irq_enumdone(struct dwc2_hsotg *hsotg)
case DSTS_ENUMSPD_LS:
hsotg->gadget.speed = USB_SPEED_LOW;
ep0_mps = 8;
ep_mps = 8;
/*
* note, we don't actually support LS in this driver at the
* moment, and the documentation seems to imply that it isn't