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s390/etr,stp: use -EOPNOTSUPP instead of -ENOSYS

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Change -ENOSYS to -EOPNOTSUPP. Return value is used only internally.

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 2012-09-06 15:13:34 +02:00 committed by Martin Schwidefsky
parent d06cbda69f
commit a8f6db4d29
3 changed files with 8 additions and 8 deletions
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8
arch/s390/include/asm/etr.h
View File

@ -140,7 +140,7 @@ struct etr_ptff_qto {
/* Inline assembly helper functions */
static inline int etr_setr(struct etr_eacr *ctrl)
{
int rc = -ENOSYS;
int rc = -EOPNOTSUPP;
asm volatile(
" .insn s,0xb2160000,%1\n"
@ -154,7 +154,7 @@ static inline int etr_setr(struct etr_eacr *ctrl)
/* Stores a format 1 aib with 64 bytes */
static inline int etr_stetr(struct etr_aib *aib)
{
int rc = -ENOSYS;
int rc = -EOPNOTSUPP;
asm volatile(
" .insn s,0xb2170000,%1\n"
@ -169,7 +169,7 @@ static inline int etr_stetr(struct etr_aib *aib)
static inline int etr_steai(struct etr_aib *aib, unsigned int func)
{
register unsigned int reg0 asm("0") = func;
int rc = -ENOSYS;
int rc = -EOPNOTSUPP;
asm volatile(
" .insn s,0xb2b30000,%1\n"
@ -190,7 +190,7 @@ static inline int etr_ptff(void *ptff_block, unsigned int func)
{
register unsigned int reg0 asm("0") = func;
register unsigned long reg1 asm("1") = (unsigned long) ptff_block;
int rc = -ENOSYS;
int rc = -EOPNOTSUPP;
asm volatile(
" .word 0x0104\n"

4
arch/s390/kernel/time.c
View File

@ -329,7 +329,7 @@ static unsigned long clock_sync_flags;
* The synchronous get_clock function. It will write the current clock
* value to the clock pointer and return 0 if the clock is in sync with
* the external time source. If the clock mode is local it will return
* -ENOSYS and -EAGAIN if the clock is not in sync with the external
* -EOPNOTSUPP and -EAGAIN if the clock is not in sync with the external
* reference.
*/
int get_sync_clock(unsigned long long *clock)
@ -347,7 +347,7 @@ int get_sync_clock(unsigned long long *clock)
return 0;
if (!test_bit(CLOCK_SYNC_HAS_ETR, &clock_sync_flags) &&
!test_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags))
return -ENOSYS;
return -EOPNOTSUPP;
if (!test_bit(CLOCK_SYNC_ETR, &clock_sync_flags) &&
!test_bit(CLOCK_SYNC_STP, &clock_sync_flags))
return -EACCES;

4
drivers/s390/block/dasd_eckd.c
View File

@ -211,7 +211,7 @@ check_XRC (struct ccw1 *de_ccw,
rc = get_sync_clock(&data->ep_sys_time);
/* Ignore return code if sync clock is switched off. */
if (rc == -ENOSYS || rc == -EACCES)
if (rc == -EOPNOTSUPP || rc == -EACCES)
rc = 0;
de_ccw->count = sizeof(struct DE_eckd_data);
@ -322,7 +322,7 @@ static int check_XRC_on_prefix(struct PFX_eckd_data *pfxdata,
rc = get_sync_clock(&pfxdata->define_extent.ep_sys_time);
/* Ignore return code if sync clock is switched off. */
if (rc == -ENOSYS || rc == -EACCES)
if (rc == -EOPNOTSUPP || rc == -EACCES)
rc = 0;
return rc;
}