diff options
Diffstat (limited to 'drivers/s390/char/sclp.c')
| -rw-r--r-- | drivers/s390/char/sclp.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c index befc07acd3e0..9c471ea1b99c 100644 --- a/drivers/s390/char/sclp.c +++ b/drivers/s390/char/sclp.c @@ -140,31 +140,6 @@ static void __sclp_make_read_req(void); static int sclp_init_mask(int calculate); static int sclp_init(void); -/* Perform service call. Return 0 on success, non-zero otherwise. */ -int -sclp_service_call(sclp_cmdw_t command, void *sccb) -{ - int cc = 4; /* Initialize for program check handling */ - - asm volatile( - "0: .insn rre,0xb2200000,%1,%2\n" /* servc %1,%2 */ - "1: ipm %0\n" - " srl %0,28\n" - "2:\n" - EX_TABLE(0b, 2b) - EX_TABLE(1b, 2b) - : "+&d" (cc) : "d" (command), "a" (__pa(sccb)) - : "cc", "memory"); - if (cc == 4) - return -EINVAL; - if (cc == 3) - return -EIO; - if (cc == 2) - return -EBUSY; - return 0; -} - - static void __sclp_queue_read_req(void) { |