qlcnic: check IDC version
Warn user if IDC version mismatch with different class of drivers.
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 50be833..54a6bb2 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -1975,12 +1975,25 @@
return 1;
}
+static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
+{
+ u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
+
+ if (val != QLCNIC_DRV_IDC_VER) {
+ dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
+ " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
+ }
+
+ return 0;
+}
+
static int
qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
{
u32 val, prev_state;
u8 dev_init_timeo = adapter->dev_init_timeo;
u8 portnum = adapter->portnum;
+ u8 ret;
if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
return 1;
@@ -2000,12 +2013,14 @@
switch (prev_state) {
case QLCNIC_DEV_COLD:
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
+ QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
qlcnic_api_unlock(adapter);
return 1;
case QLCNIC_DEV_READY:
+ ret = qlcnic_check_idc_ver(adapter);
qlcnic_api_unlock(adapter);
- return 0;
+ return ret;
case QLCNIC_DEV_NEED_RESET:
val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
@@ -2048,9 +2063,10 @@
QLC_DEV_CLR_RST_QSCNT(val, portnum);
QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
+ ret = qlcnic_check_idc_ver(adapter);
qlcnic_api_unlock(adapter);
- return 0;
+ return ret;
}
static void