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26 lines
983 B
Diff
26 lines
983 B
Diff
--- a/drivers/usb/serial/usb-serial.c
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+++ b/drivers/usb/serial/usb-serial.c
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@@ -61,6 +61,7 @@ static struct usb_driver usb_serial_driv
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drivers depend on it.
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*/
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+static ushort maxSize = 0;
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static int debug;
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/* initially all NULL */
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static struct usb_serial *serial_table[SERIAL_TTY_MINORS];
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@@ -912,7 +913,7 @@ int usb_serial_probe(struct usb_interfac
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}
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buffer_size = serial->type->bulk_in_size;
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if (!buffer_size)
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- buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
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+ buffer_size = (endpoint->wMaxPacketSize > maxSize) ? endpoint->wMaxPacketSize : maxSize;
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port->bulk_in_size = buffer_size;
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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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@@ -1382,3 +1383,5 @@ MODULE_LICENSE("GPL");
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module_param(debug, bool, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(debug, "Debug enabled or not");
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+module_param(maxSize, ushort,0);
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+MODULE_PARM_DESC(maxSize,"User specified USB endpoint size");
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