s390/cio: export CMG value as decimal

Change format of the "cmg" sysfs attribute from hex to decimal to
make it easier to consume. Note that this should not break any existing
users since only values 2 and 3 are currently exported. Also the main
user already assumes decimal notation [1].

[1] https://sourceforge.net/p/sblim/gather/ci/master/tree/plugin/metriczCH.c

Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c
index 5440f285f3494d67c8c66e96b260146f881cbf30..675d7ed82356a9494d7df785494bd7d2ce8e2ec6 100644 (file)
--- a/drivers/s390/cio/chp.c
+++ b/drivers/s390/cio/chp.c
@@ -334,7 +334,7 @@ static ssize_t chp_cmg_show(struct device *dev, struct device_attribute *attr,
                return 0;
        if (chp->cmg == -1) /* channel measurements not available */
                return sprintf(buf, "unknown\n");
-       return sprintf(buf, "%x\n", chp->cmg);
+       return sprintf(buf, "%d\n", chp->cmg);
 }
 
 static DEVICE_ATTR(cmg, 0444, chp_cmg_show, NULL);