The comment within __delay() is outdated and does not reflect anymore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>
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);