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scsi: mpt3sas: Refactor mpt3sas_wait_for_ioc function

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No functional change. Doing code refactor of function
mpt3sas_wait_for_ioc() for better readability.

Signed-off-by: Suganath Prabu <suganath-prabu.subramani@broadcom.com>
Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Suganath Prabu 2018-10-31 18:53:34 +05:30 committed by Martin K. Petersen
parent f4305749ca
commit a064a6470b
1 changed files with 9 additions and 11 deletions
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20
drivers/scsi/mpt3sas/mpt3sas_base.c
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@ -5093,22 +5093,20 @@ mpt3sas_wait_for_ioc(struct MPT3SAS_ADAPTER *ioc, int timeout)
int wait_state_count = 0; int wait_state_count = 0;
u32 ioc_state; u32 ioc_state;
ioc_state = mpt3sas_base_get_iocstate(ioc, 1); do {
while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
if (wait_state_count++ == timeout) {
ioc_err(ioc, "%s: failed due to ioc not operational\n",
__func__);
return -EFAULT;
}
ssleep(1);
ioc_state = mpt3sas_base_get_iocstate(ioc, 1); ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
if (ioc_state == MPI2_IOC_STATE_OPERATIONAL)
break;
ssleep(1);
ioc_info(ioc, "%s: waiting for operational state(count=%d)\n", ioc_info(ioc, "%s: waiting for operational state(count=%d)\n",
__func__, wait_state_count); __func__, ++wait_state_count);
} while (--timeout);
if (!timeout) {
ioc_err(ioc, "%s: failed due to ioc not operational\n", __func__);
return -EFAULT;
} }
if (wait_state_count) if (wait_state_count)
ioc_info(ioc, "ioc is operational\n"); ioc_info(ioc, "ioc is operational\n");
return 0; return 0;
} }