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authorDavid Cohen <david.a.cohen@linux.intel.com>2013-12-09 15:55:38 -0800
committerFelipe Balbi <balbi@ti.com>2013-12-09 22:44:08 -0600
commita4b9d94b3dc8e65951c1819d37f213b3c6815adc (patch)
tree2b8ae42d68592e1ec7d0bbfecde7b28be501100b /drivers/usb/dwc3
parent219580e64f035bb9018dbb08d340f90b0ac50f8c (diff)
downloadblackbird-op-linux-a4b9d94b3dc8e65951c1819d37f213b3c6815adc.tar.gz
blackbird-op-linux-a4b9d94b3dc8e65951c1819d37f213b3c6815adc.zip
usb: dwc3: set gadget's quirk ep_out_align_size
DWC3 requires epout to have buffer size aligned to MaxPacketSize value. This patch sets necessary quirk for it. Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3')
-rw-r--r--drivers/usb/dwc3/gadget.c6
1 files changed, 6 insertions, 0 deletions
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.
*/
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