aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c55
1 files changed, 28 insertions, 27 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index dd451c3dd83d..5384a6dd155f 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -9384,32 +9384,24 @@ static int __devinit bnx2x_prev_mark_path(struct bnx2x *bp)
return rc;
}
-static bool __devinit bnx2x_can_flr(struct bnx2x *bp)
-{
- int pos;
- u32 cap;
- struct pci_dev *dev = bp->pdev;
-
- pos = pci_pcie_cap(dev);
- if (!pos)
- return false;
-
- pci_read_config_dword(dev, pos + PCI_EXP_DEVCAP, &cap);
- if (!(cap & PCI_EXP_DEVCAP_FLR))
- return false;
-
- return true;
-}
-
static int __devinit bnx2x_do_flr(struct bnx2x *bp)
{
int i, pos;
u16 status;
struct pci_dev *dev = bp->pdev;
- /* probe the capability first */
- if (bnx2x_can_flr(bp))
- return -ENOTTY;
+
+ if (CHIP_IS_E1x(bp)) {
+ BNX2X_DEV_INFO("FLR not supported in E1/E1H\n");
+ return -EINVAL;
+ }
+
+ /* only bootcode REQ_BC_VER_4_INITIATE_FLR and onwards support flr */
+ if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
+ BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
+ bp->common.bc_ver);
+ return -EINVAL;
+ }
pos = pci_pcie_cap(dev);
if (!pos)
@@ -9429,12 +9421,8 @@ static int __devinit bnx2x_do_flr(struct bnx2x *bp)
"transaction is not cleared; proceeding with reset anyway\n");
clear:
- if (bp->common.bc_ver < REQ_BC_VER_4_INITIATE_FLR) {
- BNX2X_ERR("FLR not supported by BC_VER: 0x%x\n",
- bp->common.bc_ver);
- return -EINVAL;
- }
+ BNX2X_DEV_INFO("Initiating FLR\n");
bnx2x_fw_command(bp, DRV_MSG_CODE_INITIATE_FLR, 0);
return 0;
@@ -9454,8 +9442,21 @@ static int __devinit bnx2x_prev_unload_uncommon(struct bnx2x *bp)
* the one required, then FLR will be sufficient to clean any residue
* left by previous driver
*/
- if (bnx2x_test_firmware_version(bp, false) && bnx2x_can_flr(bp))
- return bnx2x_do_flr(bp);
+ rc = bnx2x_test_firmware_version(bp, false);
+
+ if (!rc) {
+ /* fw version is good */
+ BNX2X_DEV_INFO("FW version matches our own. Attempting FLR\n");
+ rc = bnx2x_do_flr(bp);
+ }
+
+ if (!rc) {
+ /* FLR was performed */
+ BNX2X_DEV_INFO("FLR successful\n");
+ return 0;
+ }
+
+ BNX2X_DEV_INFO("Could not FLR\n");
/* Close the MCP request, return failure*/
rc = bnx2x_prev_mcp_done(bp);