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$FreeWRT$ |
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|
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Originally from http://www.junxion.com/opensource/linux_highspeed_usbserial.html |
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except that we don't do camel-case and honour coding style(9) |
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|
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--- linux-2.4.34.orig/drivers/usb/serial/usbserial.c 2007-07-31 18:06:05.000000000 +0200 |
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+++ linux-2.4.34/drivers/usb/serial/usbserial.c 2007-07-31 18:29:28.000000000 +0200 |
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@@ -331,6 +331,7 @@ static void generic_shutdown (struct us |
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#ifdef CONFIG_USB_SERIAL_GENERIC |
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static __u16 vendor = 0x05f9; |
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static __u16 product = 0xffff; |
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+static int maxpksz = 0; |
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|
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static struct usb_device_id generic_device_ids[8]; /* Initially all zeroes. */ |
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|
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@@ -1558,6 +1559,10 @@ static void * usb_serial_probe(struct us |
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goto probe_error; |
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} |
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buffer_size = endpoint->wMaxPacketSize; |
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+#ifdef CONFIG_USB_SERIAL_GENERIC |
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+ if (buffer_size < maxpksz) |
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+ buffer_size = maxpksz; |
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+#endif |
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port->bulk_in_endpointAddress = endpoint->bEndpointAddress; |
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port->bulk_in_buffer = kmalloc (buffer_size, GFP_KERNEL); |
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if (!port->bulk_in_buffer) { |
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@@ -1945,4 +1950,7 @@ MODULE_PARM_DESC(vendor, "User specified |
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|
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MODULE_PARM(product, "h"); |
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MODULE_PARM_DESC(product, "User specified USB idProduct"); |
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+ |
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+MODULE_PARM(max_pksz, "i"); |
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+MODULE_PARM_DESC(max_pksz, "User specified USB endpoint packet size"); |
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#endif |
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