diff mbox series

[v2,13/21] megaraid_sas: Print BAR information from driver

Message ID 1557248750-4099-14-git-send-email-shivasharan.srikanteshwara@broadcom.com (mailing list archive)
State Accepted
Headers show
Series megaraid_sas: Driver updates | expand

Commit Message

Shivasharan Srikanteshwara May 7, 2019, 5:05 p.m. UTC 
Add prints for BAR address information during driver load.
This helps in debugging issues with BAR address changing during
OS boot.

Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
---
 drivers/scsi/megaraid/megaraid_sas_base.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 905b45590c7e..18d142f2a2a2 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -5625,6 +5625,7 @@  static int megasas_init_fw(struct megasas_instance *instance)
 	u32 max_sectors_2, tmp_sectors, msix_enable;
 	u32 scratch_pad_1, scratch_pad_2, scratch_pad_3, status_reg;
 	resource_size_t base_addr;
+	void *base_addr_phys;
 	struct megasas_ctrl_info *ctrl_info = NULL;
 	unsigned long bar_list;
 	int i, j, loop, fw_msix_count = 0;
@@ -5650,6 +5651,11 @@  static int megasas_init_fw(struct megasas_instance *instance)
 		goto fail_ioremap;
 	}
 
+	base_addr_phys = &base_addr;
+	dev_printk(KERN_DEBUG, &instance->pdev->dev,
+		   "BAR:0x%lx  BAR's base_addr(phys):%pa  mapped virt_addr:0x%p\n",
+		   instance->bar, base_addr_phys, instance->reg_set);
+
 	if (instance->adapter_type != MFI_SERIES)
 		instance->instancet = &megasas_instance_template_fusion;
 	else {