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authorFelix Fietkau <nbd@openwrt.org>2008-09-29 01:08:17 +0000
committerFelix Fietkau <nbd@openwrt.org>2008-09-29 01:08:17 +0000
commitbc92b67c41bb9eb64dd342735cf04d0ca5098926 (patch)
treefb3cad267265be9ac8eb1532182422f278dc3d0a /target/linux/generic-2.6/patches-2.6.27/801-usb_serial_endpoint_size.patch
parent9b2097af21c4298fb67622266d5587e4e680fc5c (diff)
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port generic and ixp4xx kernel patches to 2.6.27 (compiles except for iptables, but otherwise completely untested)
SVN-Revision: 12790
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.27/801-usb_serial_endpoint_size.patch')
-rw-r--r--target/linux/generic-2.6/patches-2.6.27/801-usb_serial_endpoint_size.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.27/801-usb_serial_endpoint_size.patch b/target/linux/generic-2.6/patches-2.6.27/801-usb_serial_endpoint_size.patch
new file mode 100644
index 0000000000..1640e07830
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.27/801-usb_serial_endpoint_size.patch
@@ -0,0 +1,25 @@
+--- a/drivers/usb/serial/usb-serial.c
++++ b/drivers/usb/serial/usb-serial.c
+@@ -59,6 +59,7 @@
+ drivers depend on it.
+ */
+
++static ushort maxSize = 0;
+ static int debug;
+ /* initially all NULL */
+ static struct usb_serial *serial_table[SERIAL_TTY_MINORS];
+@@ -833,7 +834,7 @@
+ dev_err(&interface->dev, "No free urbs available\n");
+ goto probe_error;
+ }
+- buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
++ buffer_size = (endpoint->wMaxPacketSize > maxSize) ? endpoint->wMaxPacketSize : maxSize;
+ port->bulk_in_size = buffer_size;
+ port->bulk_in_endpointAddress = endpoint->bEndpointAddress;
+ port->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL);
+@@ -1253,3 +1254,5 @@
+
+ module_param(debug, bool, S_IRUGO | S_IWUSR);
+ MODULE_PARM_DESC(debug, "Debug enabled or not");
++module_param(maxSize, ushort,0);
++MODULE_PARM_DESC(maxSize,"User specified USB endpoint size");