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s390/hypfs: use register pair instead of register asm

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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 2021-06-17 10:26:57 +02:00 committed by Vasily Gorbik
parent 2a18a55026
commit cf1ffce243
1 changed files with 6 additions and 7 deletions
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13
arch/s390/hypfs/hypfs_sprp.c
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@ -25,14 +25,13 @@
static inline unsigned long __hypfs_sprp_diag304(void *data, unsigned long cmd)
{
register unsigned long _data asm("2") = (unsigned long) data;
register unsigned long _rc asm("3");
register unsigned long _cmd asm("4") = cmd;
union register_pair r1 = { .even = (unsigned long)data, };
asm volatile("diag %1,%2,0x304\n"
: "=d" (_rc) : "d" (_data), "d" (_cmd) : "memory");
return _rc;
asm volatile("diag %[r1],%[r3],0x304\n"
: [r1] "+&d" (r1.pair)
: [r3] "d" (cmd)
: "memory");
return r1.odd;
}
static unsigned long hypfs_sprp_diag304(void *data, unsigned long cmd)