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authorRaju Rangoju <Raju.Rangoju@amd.com>2025-05-09 21:23:22 +0530
committerPaolo Abeni <pabeni@redhat.com>2025-05-13 13:29:40 +0200
commitbbbd7303ea1851e24365058d424163d5cbdbb678 (patch)
tree677c1e56e44dfec2575b5f266f7a2aadf2c930f7
parent2d4407160f601876a88376b3789ce2f59df21f4b (diff)
amd-xgbe: reorganize the xgbe_pci_probe() code path
Reorganize the xgbe_pci_probe() code path to convert if/else statements to switch case to help add future code. This helps code look cleaner. Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250509155325.720499-3-Raju.Rangoju@amd.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-pci.c35
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe.h4
2 files changed, 25 insertions, 14 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
index 3e9f31256dce..d36446e76d0a 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
@@ -165,20 +165,27 @@ static int xgbe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* Set the PCS indirect addressing definition registers */
rdev = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(0, 0));
- if (rdev &&
- (rdev->vendor == PCI_VENDOR_ID_AMD) && (rdev->device == 0x15d0)) {
- pdata->xpcs_window_def_reg = PCS_V2_RV_WINDOW_DEF;
- pdata->xpcs_window_sel_reg = PCS_V2_RV_WINDOW_SELECT;
- } else if (rdev && (rdev->vendor == PCI_VENDOR_ID_AMD) &&
- (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;
-
- /* Yellow Carp devices do not need rrc */
- pdata->vdata->enable_rrc = 0;
+ if (rdev && rdev->vendor == PCI_VENDOR_ID_AMD) {
+ switch (rdev->device) {
+ case XGBE_RV_PCI_DEVICE_ID:
+ pdata->xpcs_window_def_reg = PCS_V2_RV_WINDOW_DEF;
+ pdata->xpcs_window_sel_reg = PCS_V2_RV_WINDOW_SELECT;
+ break;
+ case XGBE_YC_PCI_DEVICE_ID:
+ 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;
+
+ /* Yellow Carp devices do not need rrc */
+ pdata->vdata->enable_rrc = 0;
+ break;
+ default:
+ pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF;
+ pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;
+ break;
+ }
} else {
pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF;
pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h
index 8ac0f3a22fb6..37e5f8fad6b2 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h
@@ -238,6 +238,10 @@
(_src)->link_modes._sname, \
__ETHTOOL_LINK_MODE_MASK_NBITS)
+/* XGBE PCI device id */
+#define XGBE_RV_PCI_DEVICE_ID 0x15d0
+#define XGBE_YC_PCI_DEVICE_ID 0x14b5
+
struct xgbe_prv_data;
struct xgbe_packet_data {