From a4708103adeaf5731c329b37b0a2b397f814c55c Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Thu, 2 Jul 2009 11:44:33 +0200 Subject: [PATCH] USB: suspend/resume support for usbtmc a class driver should have suspend/resume. This makes sure we don't see a virtual disconnect unnecessarily. Signed-off-by: Oliver Neukum Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/usbtmc.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 0c9df97f6775..4f0858fbf980 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -1087,11 +1087,24 @@ static void usbtmc_disconnect(struct usb_interface *intf) 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 = { .name = "usbtmc", .id_table = usbtmc_devices, .probe = usbtmc_probe, - .disconnect = usbtmc_disconnect + .disconnect = usbtmc_disconnect, + .suspend = usbtmc_suspend, + .resume = usbtmc_resume, }; static int __init usbtmc_init(void) -- 2.20.1