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s390/cmf: use tod_to_ns() 

Instead of open coding tod clock to ns conversions use the timex helper.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sebastian Ott 2017-09-12 11:21:00 +02:00 committed by Martin Schwidefsky
parent cb09b356cd
commit 08c6df97d6
1 changed files with 3 additions and 5 deletions
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8
drivers/s390/cio/cmf.c
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@ -685,8 +685,7 @@ static int readall_cmb(struct ccw_device *cdev, struct cmbdata *data)
/* we only know values before device_busy_time */
data->size = offsetof(struct cmbdata, device_busy_time);
/* convert to nanoseconds */
data->elapsed_time = (time * 1000) >> 12;
data->elapsed_time = tod_to_ns(time);
/* copy data to new structure */
data->ssch_rsch_count = cmb->ssch_rsch_count;
@ -945,8 +944,7 @@ static int readall_cmbe(struct ccw_device *cdev, struct cmbdata *data)
/* we only know values before device_busy_time */
data->size = offsetof(struct cmbdata, device_busy_time);
/* conver to nanoseconds */
data->elapsed_time = (time * 1000) >> 12;
data->elapsed_time = tod_to_ns(time);
cmb = cmb_data->last_block;
/* copy data to new structure */
@ -1007,7 +1005,7 @@ static ssize_t cmb_show_avg_sample_interval(struct device *dev,
spin_lock_irq(cdev->ccwlock);
if (count) {
interval = get_tod_clock() - cdev->private->cmb_start_time;
interval = (interval * 1000) >> 12;
interval = tod_to_ns(interval);
interval /= count;
} else
interval = -1;