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authorVardan Mikayelyan <mvardan@synopsys.com>2016-11-14 19:17:00 -0800
committerFelipe Balbi <felipe.balbi@linux.intel.com>2016-11-18 13:54:50 +0200
commit552d940f0bea0c010615b45ed7c64e7b3b103e6a (patch)
treee1668353660293260a0f2b665debc65f587b5114 /drivers/usb
parent1e6b98ebd458e63b9effda2feb696e36644d4eed (diff)
downloadlinux-552d940f0bea0c010615b45ed7c64e7b3b103e6a.tar.bz2
usb: dwc2: gadget: Program ep0_mps for LS
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>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/dwc2/gadget.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 74f0a5eed812..e67283237fd4 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -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