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| author |   Raju Rangoju <Raju.Rangoju@amd.com> | 2021-12-20 19:24:28 +0530 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2021-12-20 18:42:40 -0800 |
| commit | 6f60ecf233f9a8c6b75c08f4133865dbe0f1fdab (patch) | |
| tree | 48f69eb6b42cd1ad63dd0e3d6696cfc2c2586a81 /drivers/net/ethernet/amd | |
| parent | net: amd-xgbe: Alter the port speed bit range (diff) | |
| download | linux-dev-6f60ecf233f9a8c6b75c08f4133865dbe0f1fdab.tar.xz linux-dev-6f60ecf233f9a8c6b75c08f4133865dbe0f1fdab.zip | |
net: amd-xgbe: Disable the CDR workaround path for Yellow Carp Devices
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>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/amd')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-pci.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c index 0f930b17980e..efdcf484a510 100644 --- 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; @@ -464,7 +467,7 @@ 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 +482,7 @@ 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, |