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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>
This commit is contained in:
Raju Rangoju 2021-12-20 19:24:28 +05:30 committed by Jakub Kicinski
parent 2d4a0b79dc
commit 6f60ecf233
1 changed files with 5 additions and 2 deletions
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7
drivers/net/ethernet/amd/xgbe/xgbe-pci.c
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@ -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,