net: amd-xgbe: Disable the CDR workaround path for Yellow Carp Devices

commit 6f60ecf upstream. Yellow Carp Ethernet devices do not require Autonegotiation CDR workaround, hence disable the same. Co-developed-by: Shyam Sundar S K <[email protected]> Signed-off-by: Shyam Sundar S K <[email protected]> Signed-off-by: Raju Rangoju <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]> Signed-off-by: chenwei.0515 <[email protected]>
openvelinux · Jan 6, 2025 · 76a6ca2 · 76a6ca2
1 parent 165da45
commit 76a6ca2
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
@@ -282,6 +282,9 @@ static int xgbe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		   (rdev->device == 0x14b5)) {
 		pdata->xpcs_window_def_reg = PCS_V2_YC_WINDOW_DEF;
 		pdata->xpcs_window_sel_reg = PCS_V2_YC_WINDOW_SELECT;
+
+		/* Yellow Carp devices do not need cdr workaround */
+		pdata->vdata->an_cdr_workaround = 0;
 	} else {
 		pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF;
 		pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;
@@ -467,7 +470,7 @@ static int __maybe_unused xgbe_pci_resume(struct device *dev)
 	return ret;
 }
 
-static const struct xgbe_version_data xgbe_v2a = {
+static struct xgbe_version_data xgbe_v2a = {
 	.init_function_ptrs_phy_impl	= xgbe_init_function_ptrs_phy_v2,
 	.xpcs_access			= XGBE_XPCS_ACCESS_V2,
 	.mmc_64bit			= 1,
@@ -482,7 +485,7 @@ static const struct xgbe_version_data xgbe_v2a = {
 	.an_cdr_workaround		= 1,
 };
 
-static const struct xgbe_version_data xgbe_v2b = {
+static struct xgbe_version_data xgbe_v2b = {
 	.init_function_ptrs_phy_impl	= xgbe_init_function_ptrs_phy_v2,
 	.xpcs_access			= XGBE_XPCS_ACCESS_V2,
 	.mmc_64bit			= 1,