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authorSebastian Ott <sebott@linux.vnet.ibm.com>2017-01-12 20:53:56 +0300
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2017-01-16 09:27:55 +0300
commit21665912dd722656dfc4481f82c73397c8f2d07f (patch)
tree71d4de62a5601ab63ead9bcb65de6b6604a9da2f /drivers/s390/cio
parent89175cf766869307c4f57a7a5f63d2819e76c41b (diff)
downloadlinux-21665912dd722656dfc4481f82c73397c8f2d07f.tar.xz
s390/cio: remove cmf related code relevant for 31 bit only
This is a leftover from the 31 bit era to avoid 64 bit divisions. Get rid of it. Reported-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio')
-rw-r--r--drivers/s390/cio/cmf.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c
index 6b6386e9a500..220491d27ef4 100644
--- a/drivers/s390/cio/cmf.c
+++ b/drivers/s390/cio/cmf.c
@@ -1085,15 +1085,9 @@ static ssize_t cmb_show_avg_utilization(struct device *dev,
data.function_pending_time +
data.device_disconnect_time;
- /* shift to avoid long long division */
- while (-1ul < (data.elapsed_time | utilization)) {
- utilization >>= 8;
- data.elapsed_time >>= 8;
- }
-
/* calculate value in 0.1 percent units */
- t = (unsigned long) data.elapsed_time / 1000;
- u = (unsigned long) utilization / t;
+ t = data.elapsed_time / 1000;
+ u = utilization / t;
return sprintf(buf, "%02ld.%01ld%%\n", u/ 10, u - (u/ 10) * 10);
}