Commit 74cee7f3 authored by Vineeth Vijayan's avatar Vineeth Vijayan Committed by Heiko Carstens
Browse files

s390/vmur: remove unused pm related functions 



The Power-management related functions are unused since
'commit 39421627 ("s390: remove broken hibernate / power management
support")'. Remove them from the unit-record device driver.

Signed-off-by: default avatarVineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
parent 2f6ea6fb

drivers/s390/char/vmur.c

+0 −24
Original line number Diff line number Diff line
@@ -62,7 +62,6 @@ static int ur_probe(struct ccw_device *cdev); 
static void ur_remove(struct ccw_device *cdev);

static int ur_set_online(struct ccw_device *cdev);

static int ur_set_offline(struct ccw_device *cdev);

static int ur_pm_suspend(struct ccw_device *cdev);



static struct ccw_driver ur_driver = {

	.driver = {
@@ -74,7 +73,6 @@ static struct ccw_driver ur_driver = { 
	.remove		= ur_remove,

	.set_online	= ur_set_online,

	.set_offline	= ur_set_offline,

	.freeze		= ur_pm_suspend,

	.int_class	= IRQIO_VMR,

};
@@ -164,28 +162,6 @@ static void urdev_put(struct urdev *urd) 
		urdev_free(urd);

}



/*

 * State and contents of ur devices can be changed by class D users issuing

 * CP commands such as PURGE or TRANSFER, while the Linux guest is suspended.

 * Also the Linux guest might be logged off, which causes all active spool

 * files to be closed.

 * So we cannot guarantee that spool files are still the same when the Linux

 * guest is resumed. In order to avoid unpredictable results at resume time

 * we simply refuse to suspend if a ur device node is open.

 */

static int ur_pm_suspend(struct ccw_device *cdev)

{

	struct urdev *urd = dev_get_drvdata(&cdev->dev);



	TRACE("ur_pm_suspend: cdev=%p\n", cdev);

	if (urd->open_flag) {

		pr_err("Unit record device %s is busy, %s refusing to "

		       "suspend.\n", dev_name(&cdev->dev), ur_banner);

		return -EBUSY;

	}

	return 0;

}



/*

 * Low-level functions to do I/O to a ur device.

 *     alloc_chan_prog