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USB: suspend/resume support for usbtmc

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a class driver should have suspend/resume. This makes sure we
don't see a virtual disconnect unnecessarily.

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Oliver Neukum
2009-07-02 11:44:33 +02:00
committed by Greg Kroah-Hartman
parent 86286883fc
commit a4708103ad
1 changed files with 14 additions and 1 deletions
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15
drivers/usb/class/usbtmc.c
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@@ -1087,11 +1087,24 @@ static void usbtmc_disconnect(struct usb_interface *intf)
kref_put(&data->kref, usbtmc_delete); kref_put(&data->kref, usbtmc_delete);
} }
static int usbtmc_suspend (struct usb_interface *intf, pm_message_t message)
{
/* this driver does not have pending URBs */
return 0;
}
static int usbtmc_resume (struct usb_interface *intf)
{
return 0;
}
static struct usb_driver usbtmc_driver = { static struct usb_driver usbtmc_driver = {
.name = "usbtmc", .name = "usbtmc",
.id_table = usbtmc_devices, .id_table = usbtmc_devices,
.probe = usbtmc_probe, .probe = usbtmc_probe,
.disconnect = usbtmc_disconnect .disconnect = usbtmc_disconnect,
.suspend = usbtmc_suspend,
.resume = usbtmc_resume,
}; };
static int __init usbtmc_init(void) static int __init usbtmc_init(void)