[U-Boot] [u-boot PATCH v2 34/40] usb: gadget: defer setting maxpacket till ->setup()

[Kishon Vijay Abraham I]

Taken from linux kernel with commit
commit 765f5b830e547229bb752e7b232ee83e2b3d49d5
Author: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date:   Thu Jun 23 14:26:11 2011 +0200

usb: gadget: defer setting maxpacket till ->setup()

Signed-off-by: Kishon Vijay Abraham I <kishon at ti.com>
Reviewed-by: Lukasz Majewski <l.majewski at samsung.com>
---
 drivers/usb/gadget/composite.c |    4 +++-
 drivers/usb/gadget/ether.c     |    2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index a4c5606..5cedc9e 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -283,7 +283,7 @@ static void device_qual(struct usb_composite_dev *cdev)
 	qual->bDeviceSubClass = cdev->desc.bDeviceSubClass;
 	qual->bDeviceProtocol = cdev->desc.bDeviceProtocol;
 	/* ASSUME same EP0 fifo size at both speeds */
-	qual->bMaxPacketSize0 = cdev->desc.bMaxPacketSize0;
+	qual->bMaxPacketSize0 = cdev->gadget->ep0->maxpacket;
 	qual->bNumConfigurations = count_configs(cdev, USB_DT_DEVICE_QUALIFIER);
 	qual->bRESERVED = 0;
 }
@@ -736,6 +736,8 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 		case USB_DT_DEVICE:
 			cdev->desc.bNumConfigurations =
 				count_configs(cdev, USB_DT_DEVICE);
+			cdev->desc.bMaxPacketSize0 =
+				cdev->gadget->ep0->maxpacket;
 			value = min(w_length, (u16) sizeof cdev->desc);
 			memcpy(req->buf, &cdev->desc, value);
 			break;
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index ba442d5..8ccf9b0 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -1249,6 +1249,7 @@ eth_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 		switch (wValue >> 8) {
 
 		case USB_DT_DEVICE:
+			device_desc.bMaxPacketSize0 = gadget->ep0->maxpacket;
 			value = min(wLength, (u16) sizeof device_desc);
 			memcpy(req->buf, &device_desc, value);
 			break;
@@ -2133,7 +2134,6 @@ autoconf_fail:
 		hs_subset_descriptors();
 	}
 
-	device_desc.bMaxPacketSize0 = gadget->ep0->maxpacket;
 	usb_gadget_set_selfpowered(gadget);
 
 	/* For now RNDIS is always a second config */
-- 
1.7.9.5