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s390/scm: process availability

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Let the bus code process scm availability information and
notify scm device drivers about the new state.

Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott
2013-02-28 12:07:55 +01:00
committed by Martin Schwidefsky
parent 4fa3c01964
commit aebfa669d9
5 changed files with 43 additions and 1 deletions
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7
drivers/s390/block/scm_drv.c
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@@ -15,6 +15,8 @@
static void scm_notify(struct scm_device *scmdev, enum scm_event event)
{
struct scm_blk_dev *bdev = dev_get_drvdata(&scmdev->dev);
switch (event) {
case SCM_CHANGE:
pr_info("%lu: The capabilities of the SCM increment changed\n",
@@ -22,6 +24,11 @@ static void scm_notify(struct scm_device *scmdev, enum scm_event event)
SCM_LOG(2, "State changed");
SCM_LOG_STATE(2, scmdev);
break;
case SCM_AVAIL:
SCM_LOG(2, "Increment available");
SCM_LOG_STATE(2, scmdev);
scm_blk_set_available(bdev);
break;
}
}