PPC (PCI ID 0x1000:0x0060) based HBAs will crash the firmware
when an OCR is attempted. So disable it for these controllers.
Cc: Sumit Saxena <sumit.saxena@xxxxxxx>
Cc: Adam Radford <aradford@xxxxxxxxx>
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
---
drivers/scsi/megaraid/megaraid_sas_base.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 0177295..fd75d6e 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -516,6 +516,17 @@ megasas_check_reset_ppc(struct megasas_instance *instance,
return 0;
}
+/**
+ * megasas_adp_reset_ppc - For controller reset
+ * @regs: MFI register set
+ */
+static int
+megasas_adp_reset_ppc(struct megasas_instance *instance,
+ struct megasas_register_set __iomem *regs)
+{
+ return 0;
+}
+
static struct megasas_instance_template megasas_instance_template_ppc = {
.fire_cmd = megasas_fire_cmd_ppc,
@@ -523,7 +534,7 @@ static struct megasas_instance_template megasas_instance_template_ppc = {
.disable_intr = megasas_disable_intr_ppc,
.clear_intr = megasas_clear_intr_ppc,
.read_fw_status_reg = megasas_read_fw_status_reg_ppc,
- .adp_reset = megasas_adp_reset_xscale,
+ .adp_reset = megasas_adp_reset_ppc,
.check_reset = megasas_check_reset_ppc,
.service_isr = megasas_isr,
.tasklet = megasas_complete_cmd_dpc,
--
1.7.12.4
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