scsi: mpt3sas: Separate out mpt3sas_wait_for_ioc

No functional changes. This section of code "wait for IOC to be
operational" is used in many places across the driver.  Factor this code
out into a new mpt3sas_wait_for_ioc().

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>

1 files changed, 12 insertions, 72 deletions

diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c b/drivers/scsi/mpt3sas/mpt3sas_transport.c
index f446c05e99f4..9685c8700c59 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_transport.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c
@@ -296,7 +296,6 @@ _transport_expander_report_manufacture(struct MPT3SAS_ADAPTER *ioc,
 	struct rep_manu_request *manufacture_request;
 	int rc;
 	u16 smid;
-	u32 ioc_state;
 	void *psge;
 	u8 issue_reset = 0;
 	void *data_out = NULL;
@@ -304,7 +303,6 @@ _transport_expander_report_manufacture(struct MPT3SAS_ADAPTER *ioc,
 	dma_addr_t data_in_dma;
 	size_t data_in_sz;
 	size_t data_out_sz;
-	u16 wait_state_count;
 
 	if (ioc->shost_recovery || ioc->pci_error_recovery) {
 		ioc_info(ioc, "%s: host reset in progress!\n", __func__);
@@ -320,22 +318,9 @@ _transport_expander_report_manufacture(struct MPT3SAS_ADAPTER *ioc,
 	}
 	ioc->transport_cmds.status = MPT3_CMD_PENDING;
 
-	wait_state_count = 0;
-	ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
-	while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
-		if (wait_state_count++ == IOC_OPERATIONAL_WAIT_COUNT) {
-			ioc_err(ioc, "%s: failed due to ioc not operational\n",
-				__func__);
-			rc = -EFAULT;
-			goto out;
-		}
-		ssleep(1);
-		ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
-		ioc_info(ioc, "%s: waiting for operational state(count=%d)\n",
-			 __func__, wait_state_count);
-	}
-	if (wait_state_count)
-		ioc_info(ioc, "%s: ioc is operational\n", __func__);
+	rc = mpt3sas_wait_for_ioc(ioc, IOC_OPERATIONAL_WAIT_COUNT);
+	if (rc)
+		goto out;
 
 	smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx);
 	if (!smid) {
@@ -1076,13 +1061,11 @@ _transport_get_expander_phy_error_log(struct MPT3SAS_ADAPTER *ioc,
 	struct phy_error_log_reply *phy_error_log_reply;
 	int rc;
 	u16 smid;
-	u32 ioc_state;
 	void *psge;
 	u8 issue_reset = 0;
 	void *data_out = NULL;
 	dma_addr_t data_out_dma;
 	u32 sz;
-	u16 wait_state_count;
 
 	if (ioc->shost_recovery || ioc->pci_error_recovery) {
 		ioc_info(ioc, "%s: host reset in progress!\n", __func__);
@@ -1098,22 +1081,9 @@ _transport_get_expander_phy_error_log(struct MPT3SAS_ADAPTER *ioc,
 	}
 	ioc->transport_cmds.status = MPT3_CMD_PENDING;
 
-	wait_state_count = 0;
-	ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
-	while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
-		if (wait_state_count++ == IOC_OPERATIONAL_WAIT_COUNT) {
-			ioc_err(ioc, "%s: failed due to ioc not operational\n",
-				__func__);
-			rc = -EFAULT;
-			goto out;
-		}
-		ssleep(1);
-		ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
-		ioc_info(ioc, "%s: waiting for operational state(count=%d)\n",
-			 __func__, wait_state_count);
-	}
-	if (wait_state_count)
-		ioc_info(ioc, "%s: ioc is operational\n", __func__);
+	rc = mpt3sas_wait_for_ioc(ioc, IOC_OPERATIONAL_WAIT_COUNT);
+	if (rc)
+		goto out;
 
 	smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx);
 	if (!smid) {
@@ -1381,13 +1351,11 @@ _transport_expander_phy_control(struct MPT3SAS_ADAPTER *ioc,
 	struct phy_control_reply *phy_control_reply;
 	int rc;
 	u16 smid;
-	u32 ioc_state;
 	void *psge;
 	u8 issue_reset = 0;
 	void *data_out = NULL;
 	dma_addr_t data_out_dma;
 	u32 sz;
-	u16 wait_state_count;
 
 	if (ioc->shost_recovery || ioc->pci_error_recovery) {
 		ioc_info(ioc, "%s: host reset in progress!\n", __func__);
@@ -1403,22 +1371,9 @@ _transport_expander_phy_control(struct MPT3SAS_ADAPTER *ioc,
 	}
 	ioc->transport_cmds.status = MPT3_CMD_PENDING;
 
-	wait_state_count = 0;
-	ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
-	while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
-		if (wait_state_count++ == IOC_OPERATIONAL_WAIT_COUNT) {
-			ioc_err(ioc, "%s: failed due to ioc not operational\n",
-				__func__);
-			rc = -EFAULT;
-			goto out;
-		}
-		ssleep(1);
-		ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
-		ioc_info(ioc, "%s: waiting for operational state(count=%d)\n",
-			 __func__, wait_state_count);
-	}
-	if (wait_state_count)
-		ioc_info(ioc, "%s: ioc is operational\n", __func__);
+	rc = mpt3sas_wait_for_ioc(ioc, IOC_OPERATIONAL_WAIT_COUNT);
+	if (rc)
+		goto out;
 
 	smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx);
 	if (!smid) {
@@ -1880,7 +1835,6 @@ _transport_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
 	Mpi2SmpPassthroughReply_t *mpi_reply;
 	int rc;
 	u16 smid;
-	u32 ioc_state;
 	void *psge;
 	dma_addr_t dma_addr_in;
 	dma_addr_t dma_addr_out;
@@ -1888,7 +1842,6 @@ _transport_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
 	void *addr_out = NULL;
 	size_t dma_len_in;
 	size_t dma_len_out;
-	u16 wait_state_count;
 	unsigned int reslen = 0;
 
 	if (ioc->shost_recovery || ioc->pci_error_recovery) {
@@ -1924,22 +1877,9 @@ _transport_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
 	if (rc)
 		goto unmap_out;
 
-	wait_state_count = 0;
-	ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
-	while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
-		if (wait_state_count++ == IOC_OPERATIONAL_WAIT_COUNT) {
-			ioc_err(ioc, "%s: failed due to ioc not operational\n",
-				__func__);
-			rc = -EFAULT;
-			goto unmap_in;
-		}
-		ssleep(1);
-		ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
-		ioc_info(ioc, "%s: waiting for operational state(count=%d)\n",
-			 __func__, wait_state_count);
-	}
-	if (wait_state_count)
-		ioc_info(ioc, "%s: ioc is operational\n", __func__);
+	rc = mpt3sas_wait_for_ioc(ioc, IOC_OPERATIONAL_WAIT_COUNT);
+	if (rc)
+		goto unmap_in;
 
 	smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx);
 	if (!smid) {