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path: root/drivers/s390/char/sclp.c
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Diffstat (limited to 'drivers/s390/char/sclp.c')
-rw-r--r--drivers/s390/char/sclp.c32
1 files changed, 0 insertions, 32 deletions
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index 272898225dbb..9c471ea1b99c 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -94,13 +94,6 @@ static struct timer_list sclp_request_timer;
/* Timer for queued requests. */
static struct timer_list sclp_queue_timer;
-/* Internal state: is the driver initialized? */
-static volatile enum sclp_init_state_t {
- sclp_init_state_uninitialized,
- sclp_init_state_initializing,
- sclp_init_state_initialized
-} sclp_init_state = sclp_init_state_uninitialized;
-
/* Internal state: is a request active at the sclp? */
static volatile enum sclp_running_state_t {
sclp_running_state_idle,
@@ -147,31 +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)
{