From: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Date: Thu, 19 Oct 2017 02:48:59 -0700
Subject: [PATCH] scsi: megaraid_sas: Move controller memory allocations and
 DMA mask settings from probe to megasas_init_fw
References: bsc#1066909,FATE#322937
Git-commit: e5d65b4b81af41e3d6b8e25f7aabc5256f647d87
Patch-Mainline: v4.15-rc1

Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
---
 drivers/scsi/megaraid/megaraid_sas_base.c | 43 ++++++++++++++++++++-----------
 1 file changed, 28 insertions(+), 15 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 1294184..6edfa90 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -206,6 +206,18 @@ static int megasas_get_target_prop(struct megasas_instance *instance,
 void megasas_fusion_ocr_wq(struct work_struct *work);
 static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance,
 					 int initial);
+static int
+megasas_set_dma_mask(struct pci_dev *pdev);
+static int
+megasas_alloc_ctrl_mem(struct megasas_instance *instance);
+static inline void
+megasas_free_ctrl_mem(struct megasas_instance *instance);
+static inline int
+megasas_alloc_ctrl_dma_buffers(struct megasas_instance *instance);
+static inline void
+megasas_free_ctrl_dma_buffers(struct megasas_instance *instance);
+static inline void
+megasas_init_ctrl_params(struct megasas_instance *instance);
 
 void
 megasas_issue_dcmd(struct megasas_instance *instance, struct megasas_cmd *cmd)
@@ -5192,6 +5204,19 @@ static int megasas_init_fw(struct megasas_instance *instance)
 			goto fail_ready_state;
 	}
 
+	megasas_init_ctrl_params(instance);
+
+	if (megasas_set_dma_mask(instance->pdev))
+		goto fail_ready_state;
+
+	if (megasas_alloc_ctrl_mem(instance))
+		goto fail_alloc_dma_buf;
+
+	if (megasas_alloc_ctrl_dma_buffers(instance))
+		goto fail_alloc_dma_buf;
+
+	fusion = instance->ctrl_context;
+
 	if (instance->adapter_type == VENTURA_SERIES) {
 		scratch_pad_3 =
 			readl(&instance->reg_set->outbound_scratch_pad_3);
@@ -5491,6 +5516,9 @@ static int megasas_init_fw(struct megasas_instance *instance)
 	if (instance->msix_vectors)
 		pci_free_irq_vectors(instance->pdev);
 	instance->msix_vectors = 0;
+fail_alloc_dma_buf:
+	megasas_free_ctrl_dma_buffers(instance);
+	megasas_free_ctrl_mem(instance);
 fail_ready_state:
 	iounmap(instance->reg_set);
 
@@ -6334,9 +6362,6 @@ static int megasas_probe_one(struct pci_dev *pdev,
 
 	pci_set_master(pdev);
 
-	if (megasas_set_dma_mask(pdev))
-		goto fail_set_dma_mask;
-
 	host = scsi_host_alloc(&megasas_template,
 			       sizeof(struct megasas_instance));
 
@@ -6359,14 +6384,6 @@ static int megasas_probe_one(struct pci_dev *pdev,
 
 	megasas_set_adapter_type(instance);
 
-	megasas_init_ctrl_params(instance);
-
-	if (megasas_alloc_ctrl_mem(instance))
-		goto fail_alloc_dma_buf;
-
-	if (megasas_alloc_ctrl_dma_buffers(instance))
-		goto fail_alloc_dma_buf;
-
 	/*
 	 * Initialize MFI Firmware
 	 */
@@ -6448,13 +6465,9 @@ static int megasas_probe_one(struct pci_dev *pdev,
 	if (instance->msix_vectors)
 		pci_free_irq_vectors(instance->pdev);
 fail_init_mfi:
-fail_alloc_dma_buf:
-	megasas_free_ctrl_dma_buffers(instance);
-	megasas_free_ctrl_mem(instance);
 	scsi_host_put(host);
 
 fail_alloc_instance:
-fail_set_dma_mask:
 	pci_disable_device(pdev);
 
 	return -ENODEV;
-- 
1.8.5.6