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authorNicolas Thill <nico@openwrt.org>2007-09-02 14:18:28 +0000
committerNicolas Thill <nico@openwrt.org>2007-09-02 14:18:28 +0000
commit6c5fee328becef362a8279c0ac23948c2eb8f6ce (patch)
treea73ae575e9efe9ffa2a95553f52e2ed484318d3a /target
parentd4f61b29bc710789c9b95b75208078451303f616 (diff)
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add high-speed usb serial fix from Junxion to 2.4 kernel too (closes: #2274)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8573 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target')
-rw-r--r--target/linux/generic-2.4/patches/801-usb_serial_endpoint_size.patch30
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/generic-2.4/patches/801-usb_serial_endpoint_size.patch b/target/linux/generic-2.4/patches/801-usb_serial_endpoint_size.patch
new file mode 100644
index 0000000000..b0d5facc44
--- /dev/null
+++ b/target/linux/generic-2.4/patches/801-usb_serial_endpoint_size.patch
@@ -0,0 +1,30 @@
+--- linux-2.4.34-old/drivers/usb/serial/usbserial.c 2007-08-27 15:32:14.000000000 +0200
++++ linux-2.4.34-new/drivers/usb/serial/usbserial.c 2007-09-02 14:10:52.000000000 +0200
+@@ -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[9]; /* 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) {
+@@ -1945,4 +1950,7 @@
+
+ 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