DWC3 requires epout to have buffer size aligned to MaxPacketSize value.
This patch adds necessary quirk for it.
Signed-off-by: David Cohen <david.a.co...@linux.intel.com>
---
drivers/usb/dwc3/gadget.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 5452c0fce360..b85ec110d6a0 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2600,6 +2600,12 @@ int dwc3_gadget_init(struct dwc3 *dwc)
dwc->gadget.name = "dwc3-gadget";
/*
+ * Per databook, DWC3 needs buffer size to be aligned to MaxPacketSize
+ * on ep out.
+ */
+ dwc->gadget.quirk_ep_out_aligned_size = true;
+
+ /*
* REVISIT: Here we should clear all pending IRQs to be
* sure we're starting from a well known location.
*/
--
1.8.4.rc3
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