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[S390] Move stfle to header file.

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stfle will be needed by the ap_bus module to figure out wether the AP
queue adapter interruption facility is installed.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2008-12-25 13:38:40 +01:00 • committed by Martin Schwidefsky
parent ca9fc75a68
commit 320c04c068
2 changed files with 18 additions and 19 deletions
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17
arch/s390/kernel/setup.c
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@ -651,23 +651,6 @@ setup_memory(void)
#endif
}
static int __init __stfle(unsigned long long *list, int doublewords)
{
typedef struct { unsigned long long _[doublewords]; } addrtype;
register unsigned long __nr asm("0") = doublewords - 1;
asm volatile(".insn s,0xb2b00000,%0" /* stfle */
: "=m" (*(addrtype *) list), "+d" (__nr) : : "cc");
return __nr + 1;
}
int __init stfle(unsigned long long *list, int doublewords)
{
if (!(stfl() & (1UL << 24)))
return -EOPNOTSUPP;
return __stfle(list, doublewords);
}
/*
* Setup hardware capabilities.
*/