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platform_kernel-5.15
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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>
This commit is contained in:
Sebastian Ott 2017-01-12 18:53:56 +01:00 committed by Martin Schwidefsky
parent 89175cf766
commit 21665912dd
1 changed files with 2 additions and 8 deletions
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10
drivers/s390/cio/cmf.c
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@ -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);
}