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s390/delay: sync comment within __delay() with reality

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The comment within __delay() is outdated and does not reflect anymore
what the function is doing. Therefore replace the comment.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2022-08-29 14:17:28 +02:00 committed by Vasily Gorbik
parent 820109fb11
commit 9aa10e791c
1 changed files with 4 additions and 7 deletions
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11
arch/s390/lib/delay.c
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@ -13,13 +13,10 @@
void __delay(unsigned long loops)
{
/*
* To end the bloody studid and useless discussion about the
* BogoMips number I took the liberty to define the __delay
* function in a way that that resulting BogoMips number will
* yield the megahertz number of the cpu. The important function
* is udelay and that is done using the tod clock. -- martin.
*/
/*
* Loop 'loops' times. Callers must not assume a specific
* amount of time passes before this function returns.
*/
asm volatile("0: brct %0,0b" : : "d" ((loops/2) + 1));
}
EXPORT_SYMBOL(__delay);