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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-09-19 23:55:27 +03:00
openwrt-xburst/target/linux/generic-2.4/patches/801-usb_serial_endpoint_size.patch
2008-01-06 19:28:07 +00:00

33 lines
1.1 KiB
Diff

Index: linux-2.4.35.4/drivers/usb/serial/usbserial.c
===================================================================
--- linux-2.4.35.4.orig/drivers/usb/serial/usbserial.c 2007-12-15 05:19:36.542503478 +0100
+++ linux-2.4.35.4/drivers/usb/serial/usbserial.c 2007-12-15 05:20:13.496609372 +0100
@@ -331,6 +331,7 @@
#ifdef CONFIG_USB_SERIAL_GENERIC
static __u16 vendor = 0x05f9;
static __u16 product = 0xffff;
+static int maxSize = 0;
static struct usb_device_id generic_device_ids[2]; /* Initially all zeroes. */
@@ -1557,7 +1558,11 @@
err("No free urbs available");
goto probe_error;
}
+#ifdef CONFIG_USB_SERIAL_GENERIC
+ buffer_size = (endpoint->wMaxPacketSize > maxSize) ? endpoint->wMaxPacketSize : maxSize;
+#else
buffer_size = endpoint->wMaxPacketSize;
+#endif
port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
port->bulk_in_buffer = kmalloc (buffer_size, GFP_KERNEL);
if (!port->bulk_in_buffer) {
@@ -1921,4 +1926,7 @@
MODULE_PARM(product, "h");
MODULE_PARM_DESC(product, "User specified USB idProduct");
+
+MODULE_PARM(maxSize,"i");
+MODULE_PARM_DESC(maxSize,"User specified USB endpoint size");
#endif