openwrtv4/target/linux/cns3xxx/patches-3.10/200-dwc_otg_support.patch

--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -136,6 +136,8 @@ source "drivers/usb/musb/Kconfig"
 
 source "drivers/usb/renesas_usbhs/Kconfig"
 
+source "drivers/usb/dwc/Kconfig"
+
 source "drivers/usb/class/Kconfig"
 
 source "drivers/usb/storage/Kconfig"
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -17,7 +17,11 @@ static void urb_destroy(struct kref *kre
 
 	if (urb->transfer_flags & URB_FREE_BUFFER)
 		kfree(urb->transfer_buffer);
-
+	if (urb->aligned_transfer_buffer) {
+		kfree(urb->aligned_transfer_buffer);
+		urb->aligned_transfer_buffer = 0;
+		urb->aligned_transfer_dma = 0;
+	}
 	kfree(urb);
 }
 
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1404,6 +1404,9 @@ struct urb {
 	unsigned int transfer_flags;	/* (in) URB_SHORT_NOT_OK | ...*/
 	void *transfer_buffer;		/* (in) associated data buffer */
 	dma_addr_t transfer_dma;	/* (in) dma addr for transfer_buffer */
+	void *aligned_transfer_buffer;	/* (in) associeated data buffer */
+	dma_addr_t aligned_transfer_dma;/* (in) dma addr for transfer_buffer */
+	u32 aligned_transfer_buffer_length; /* (in) data buffer length */
 	struct scatterlist *sg;		/* (in) scatter gather buffer list */
 	int num_mapped_sgs;		/* (internal) mapped sg entries */
 	int num_sgs;			/* (in) number of entries in the sg list */
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -7,6 +7,7 @@
 obj-$(CONFIG_USB)		+= core/
 
 obj-$(CONFIG_USB_DWC3)		+= dwc3/
+obj-$(CONFIG_USB_DWC_OTG)	+= dwc/
 
 obj-$(CONFIG_USB_MON)		+= mon/