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s390/lib: export __delay 

__delay is exported by most architectures, and may be used in modules.
Since it is not exported for s390, s390:allmodconfig currently fails
to build with

ERROR: "__delay" [drivers/net/phy/mdio-octeon.ko] undefined!

Fixes: a6d6786452 ("net: mdio-octeon: Modify driver to work on both
	ThunderX and Octeon")
Cc: Radha Mohan Chintakuntla <rchintakuntla@cavium.com>
Cc: David Daney <david.daney@cavium.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Guenter Roeck 2015-08-04 23:38:23 -07:00 committed by Martin Schwidefsky
parent b2f4de8b84
commit 854508c0d0
1 changed files with 1 additions and 0 deletions
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arch/s390/lib/delay.c
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@ -26,6 +26,7 @@ void __delay(unsigned long loops)
*/
asm volatile("0: brct %0,0b" : : "d" ((loops/2) + 1));
}
EXPORT_SYMBOL(__delay);
static void __udelay_disabled(unsigned long long usecs)
{