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authorShivasharan S <shivasharan.srikanteshwara@broadcom.com>2019-05-07 10:05:42 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2019-06-18 19:46:19 -0400
commit9a5987101c15e57720759315e66d4884378f13c3 (patch)
tree63e8f444980b7f124e70ee546b19df2536d34311 /drivers/scsi/megaraid/megaraid_sas_base.c
parentscsi: megaraid_sas: Dump system registers for debugging (diff)
downloadlinux-dev-9a5987101c15e57720759315e66d4884378f13c3.tar.xz
linux-dev-9a5987101c15e57720759315e66d4884378f13c3.zip
scsi: megaraid_sas: Print BAR information from driver
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> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to '')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index fb0ccba97b32..202d5ce60a2c 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -5624,6 +5624,7 @@ 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;
@@ -5649,6 +5650,11 @@ 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 {