From: David Cohen <david.a.cohen@linux.intel.com>
To: balbi@ti.com, gregkh@linuxfoundation.org
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
David Cohen <david.a.cohen@linux.intel.com>
Subject: [PATCH v4 4/4] usb: dwc3: add quirk USB_GADGET_QUIRK_EP_OUT_ALIGNED_SIZE to gadget driver
Date: Mon, 4 Nov 2013 14:12:57 -0800 [thread overview]
Message-ID: <1383603177-4624-5-git-send-email-david.a.cohen@linux.intel.com> (raw)
In-Reply-To: <1383603177-4624-1-git-send-email-david.a.cohen@linux.intel.com>
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.cohen@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
next prev parent reply other threads:[~2013-11-04 22:09 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-04 22:12 [PATCH v4 0/4] add gadget quirk to adapt f_fs for DWC3 David Cohen
2013-11-04 22:12 ` [PATCH v4 1/4] usb: gadget: move bitflags to the end of usb_gadget struct David Cohen
2013-11-04 22:12 ` [PATCH v4 2/4] usb: gadget: add quirk_ep_out_aligned_size field to struct usb_gadget David Cohen
2013-11-05 14:50 ` Alan Stern
2013-11-05 15:08 ` David Cohen
2013-11-05 15:11 ` David Cohen
2013-11-05 15:41 ` Alan Stern
2013-11-05 18:13 ` David Cohen
2013-11-05 21:54 ` David Cohen
2013-11-05 23:45 ` [PATCH v4.1 " David Cohen
2013-11-06 16:06 ` Alan Stern
2013-11-04 22:12 ` [PATCH v4 3/4] usb: ffs: check quirk to pad epout buf size when not aligned to maxpacketsize David Cohen
2013-11-05 14:52 ` Alan Stern
2013-11-05 15:05 ` David Cohen
2013-11-05 15:38 ` Alan Stern
2013-11-05 18:12 ` David Cohen
2013-11-05 18:24 ` Alan Stern
2013-11-06 18:43 ` Michal Nazarewicz
2013-11-07 16:05 ` Alan Stern
2013-11-08 12:23 ` Michal Nazarewicz
2013-11-08 18:04 ` David Cohen
2013-11-05 15:15 ` Cohen, David A
2013-11-10 16:50 ` [PATCH 1/2] usb: gadget: f_fs: remove loop from I/O function Michal Nazarewicz
2013-11-10 16:50 ` [PATCH 2/2] check quirk to pad epout buf size when not aligned to maxpacketsize Michal Nazarewicz
2013-11-11 4:01 ` David Cohen
2013-11-11 11:21 ` [PATCHv2 " Michal Nazarewicz
2013-11-11 19:12 ` David Cohen
2013-11-11 21:12 ` Michal Nazarewicz
2013-11-11 20:20 ` Alan Stern
2013-11-11 21:09 ` Michal Nazarewicz
2013-11-11 22:25 ` David Cohen
2013-11-12 15:50 ` Alan Stern
2013-11-12 18:24 ` David Cohen
2013-11-12 23:09 ` Paul Zimmerman
2013-11-12 23:43 ` David Cohen
2013-11-13 0:24 ` Paul Zimmerman
2013-11-13 15:52 ` Alan Stern
2013-11-13 21:51 ` David Cohen
2013-11-21 18:29 ` David Cohen
2013-11-11 23:15 ` David Cohen
2013-11-11 20:07 ` [PATCH 1/2] usb: gadget: f_fs: remove loop from I/O function David Cohen
2013-11-11 21:13 ` Michal Nazarewicz
2013-11-11 23:11 ` David Cohen
2013-11-04 22:12 ` David Cohen [this message]
2013-11-04 22:17 ` [PATCH v4.1 4/4] usb: dwc3: set gadget's quirk ep_out_align_size David Cohen
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