[PATCH net-next 3/3] net: amd-xgbe: Disable the CDR workaround path for Yellow Carp Devices
STALE1751d
From: Raju Rangoju <hidden>
Date: 2021-12-17 11:16:49
Subsystem:
amd xgbe driver, networking drivers, the rest · Maintainers:
Raju Rangoju, Prashanth Kumar K R, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Revision v1 of 2 in this series.
Revisions (2)
- v1 current
- v2 [diff vs current]
From: Raju Rangoju <Raju.Rangoju@amd.com> Yellow Carp Ethernet devices do not require Autonegotiation CDR workaround, hence disable the same. Co-developed-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com> --- drivers/net/ethernet/amd/xgbe/xgbe-pci.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
index 39e606c4d653..50ffaf30f3c7 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c@@ -281,6 +281,8 @@ static int xgbe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) } else if (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;
@@ -464,7 +466,7 @@ 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,
@@ -479,7 +481,7 @@ 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,
--
2.25.1