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| author | Peter Oberparleiter <peter.oberparleiter@de.ibm.com> | 2009-12-07 12:51:20 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2009-12-07 12:51:30 +0100 |
| commit | a7ae2c02f5ab7080646a4cc6c01065ae9decad54 (patch) | |
| tree | 3ecc0ff8c46076f2d5080a8cfed5f98c426c7a69 /drivers/s390/cio | |
| parent | 37de53bb52908726c18fc84515792a5b2f454532 (diff) | |
| download | kernel_samsung_smdk4412-a7ae2c02f5ab7080646a4cc6c01065ae9decad54.zip kernel_samsung_smdk4412-a7ae2c02f5ab7080646a4cc6c01065ae9decad54.tar.gz kernel_samsung_smdk4412-a7ae2c02f5ab7080646a4cc6c01065ae9decad54.tar.bz2 | |
[S390] cio: inform user when online/offline processing fails
Print a warning message in case a ccw device enters boxed or
not operational state during online/offline processing.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio')
| -rw-r--r-- | drivers/s390/cio/device.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 1674467..ee34506 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -7,6 +7,10 @@ * Cornelia Huck (cornelia.huck@de.ibm.com) * Martin Schwidefsky (schwidefsky@de.ibm.com) */ + +#define KMSG_COMPONENT "cio" +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt + #include <linux/module.h> #include <linux/init.h> #include <linux/spinlock.h> @@ -347,6 +351,14 @@ int ccw_device_set_offline(struct ccw_device *cdev) spin_unlock_irq(cdev->ccwlock); wait_event(cdev->private->wait_q, (dev_fsm_final_state(cdev) || cdev->private->state == DEV_STATE_DISCONNECTED)); + /* Inform the user if set offline failed. */ + if (cdev->private->state == DEV_STATE_BOXED) { + pr_warning("%s: The device entered boxed state while " + "being set offline\n", dev_name(&cdev->dev)); + } else if (cdev->private->state == DEV_STATE_NOT_OPER) { + pr_warning("%s: The device stopped operating while " + "being set offline\n", dev_name(&cdev->dev)); + } /* Give up reference from ccw_device_set_online(). */ put_device(&cdev->dev); return 0; @@ -407,6 +419,16 @@ int ccw_device_set_online(struct ccw_device *cdev) if ((cdev->private->state != DEV_STATE_ONLINE) && (cdev->private->state != DEV_STATE_W4SENSE)) { spin_unlock_irq(cdev->ccwlock); + /* Inform the user that set online failed. */ + if (cdev->private->state == DEV_STATE_BOXED) { + pr_warning("%s: Setting the device online failed " + "because it is boxed\n", + dev_name(&cdev->dev)); + } else if (cdev->private->state == DEV_STATE_NOT_OPER) { + pr_warning("%s: Setting the device online failed " + "because it is not operational\n", + dev_name(&cdev->dev)); + } /* Give up online reference since onlining failed. */ put_device(&cdev->dev); return -ENODEV; |