From: David Cohen <david.a.cohen@linux.intel.com>
To: balbi@ti.com, gregkh@linuxfoundation.org
Cc: stern@rowland.harvard.edu, mina86@mina86.com,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
David Cohen <david.a.cohen@linux.intel.com>
Subject: [PATCH v5 5/5] usb: dwc3: set gadget's quirk ep_out_align_size
Date: Mon, 11 Nov 2013 12:16:51 -0800 [thread overview]
Message-ID: <1384201011-11114-6-git-send-email-david.a.cohen@linux.intel.com> (raw)
In-Reply-To: <1384201011-11114-1-git-send-email-david.a.cohen@linux.intel.com>
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>
---
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:[~2013-11-11 20:12 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-11 20:16 [PATCH v5 0/5] add gadget quirk to adapt f_fs for DWC3 David Cohen
2013-11-11 20:16 ` [PATCH v5 1/5] usb: gadget: move bitflags to the end of usb_gadget struct David Cohen
2013-11-11 23:52 ` Michal Nazarewicz
2013-11-11 20:16 ` [PATCH v5 2/5] usb: gadget: add quirk_ep_out_aligned_size field to struct usb_gadget David Cohen
2013-11-11 23:55 ` Michal Nazarewicz
2013-11-12 0:03 ` David Cohen
2013-11-12 12:54 ` Michal Nazarewicz
2013-12-06 20:13 ` Felipe Balbi
2013-12-06 20:14 ` David Cohen
2013-11-11 20:16 ` [PATCH v5 3/5] usb: gadget: f_fs: remove loop from I/O function David Cohen
2013-11-11 23:21 ` David Cohen
2013-11-11 23:57 ` [PATCHv5.1 " Michal Nazarewicz
2013-12-06 20:18 ` Felipe Balbi
2013-11-11 20:16 ` [PATCH v5 4/5] usb: f_fs: check quirk to pad epout buf size when not aligned to maxpacketsize David Cohen
2013-11-11 23:58 ` [PATCHv5.1 4/5] " Michal Nazarewicz
2013-11-12 0:12 ` David Cohen
2013-11-12 12:59 ` Michal Nazarewicz
2013-11-12 18:26 ` David Cohen
2013-12-06 20:19 ` Felipe Balbi
2013-11-11 20:16 ` David Cohen [this message]
2013-12-06 20:19 ` [PATCH v5 5/5] usb: dwc3: set gadget's quirk ep_out_align_size Felipe Balbi
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