redonkable/alistair23-linux
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USB: serial: metro-usb: dummy implement write_int_callback() function.

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This function is never called now. Because we don`t send much data
to the device, only one byte via usb_interrupt_msg(). That doesn't require
callback function. But without declaration of write_int_callback inside
the struct usb_serial_driver, the usb_serial_probe doesn't initialize
endpoint address for the interrupt out pipe(interrupt_out_endpointAddress).
This endpoint is necessary for sending data via usb_interrupt_msg()
function.

Signed-off-by: Aleksey Babahin <tamerlan311@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aleksey Babahin 2012-03-20 00:46:32 +04:00 committed by Greg Kroah-Hartman
parent 810ec78e9a
commit 28a4b6a690
1 changed files with 9 additions and 0 deletions
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9
drivers/usb/serial/metro-usb.c
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@ -136,6 +136,14 @@ exit:
__func__, result);
}
static void metrousb_write_int_callback(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
dev_warn(&port->dev, "%s not implemented yet.\n",
__func__);
}
static void metrousb_cleanup(struct usb_serial_port *port)
{
dev_dbg(&port->dev, "%s\n", __func__);
@ -377,6 +385,7 @@ static struct usb_serial_driver metrousb_device = {
.open = metrousb_open,
.close = metrousb_cleanup,
.read_int_callback = metrousb_read_int_callback,
.write_int_callback = metrousb_write_int_callback,
.attach = metrousb_startup,
.release = metrousb_shutdown,
.throttle = metrousb_throttle,