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USB: Some cleanup prior to USB 3.0 interface addition

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Some cleanup in usb framework, nothing much on feature side.

Signed-off-by: Vikas C Sajjan <vikas.sajjan@samsung.com>
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
This commit is contained in:
Vivek Gautam
2013-04-12 16:34:34 +05:30
committed by Marek Vasut
parent ceb4972a8f
commit 605bd75af5
3 changed files with 30 additions and 23 deletions
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common/usb.c
+13 -8
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@@ -348,6 +348,7 @@ static int usb_parse_config(struct usb_device *dev,
struct usb_descriptor_header *head;
int index, ifno, epno, curr_if_num;
u16 ep_wMaxPacketSize;
struct usb_interface *if_desc = NULL;
ifno = -1;
epno = -1;
@@ -375,23 +376,27 @@ static int usb_parse_config(struct usb_device *dev,
&buffer[index])->bInterfaceNumber != curr_if_num) {
/* this is a new interface, copy new desc */
ifno = dev->config.no_of_if;
if_desc = &dev->config.if_desc[ifno];
dev->config.no_of_if++;
memcpy(&dev->config.if_desc[ifno],
&buffer[index], buffer[index]);
dev->config.if_desc[ifno].no_of_ep = 0;
dev->config.if_desc[ifno].num_altsetting = 1;
memcpy(if_desc, &buffer[index], buffer[index]);
if_desc->no_of_ep = 0;
if_desc->num_altsetting = 1;
curr_if_num =
dev->config.if_desc[ifno].desc.bInterfaceNumber;
if_desc->desc.bInterfaceNumber;
} else {
/* found alternate setting for the interface */
dev->config.if_desc[ifno].num_altsetting++;
if (ifno >= 0) {
if_desc = &dev->config.if_desc[ifno];
if_desc->num_altsetting++;
}
}
break;
case USB_DT_ENDPOINT:
epno = dev->config.if_desc[ifno].no_of_ep;
if_desc = &dev->config.if_desc[ifno];
/* found an endpoint */
dev->config.if_desc[ifno].no_of_ep++;
memcpy(&dev->config.if_desc[ifno].ep_desc[epno],
if_desc->no_of_ep++;
memcpy(&if_desc->ep_desc[epno],
&buffer[index], buffer[index]);
ep_wMaxPacketSize = get_unaligned(&dev->config.\
if_desc[ifno].\