diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0029-net-amd-xgbe-Disable-the-CDR-workaround-path-for-Yel.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0029-net-amd-xgbe-Disable-the-CDR-workaround-path-for-Yel.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0029-net-amd-xgbe-Disable-the-CDR-workaround-path-for-Yel.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0029-net-amd-xgbe-Disable-the-CDR-workaround-path-for-Yel.patch new file mode 100644 index 00000000..5988d863 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-5.15/0029-net-amd-xgbe-Disable-the-CDR-workaround-path-for-Yel.patch @@ -0,0 +1,55 @@ +From bdcf692dd43d4956951d5e0a699fb7c1420d1006 Mon Sep 17 00:00:00 2001 +From: Raju Rangoju <Raju.Rangoju@amd.com> +Date: Mon, 20 Dec 2021 19:24:28 +0530 +Subject: [PATCH 29/48] net: amd-xgbe: Disable the CDR workaround path for + Yellow Carp Devices + +commit 6f60ecf233f9a8c6b75c08f4133865dbe0f1fdab upstream + +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> +Signed-off-by: Zhaolong Zhang <zhaolong.zhang@windriver.com> +--- + drivers/net/ethernet/amd/xgbe/xgbe-pci.c | 7 +++++-- + 1 file 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 6ed1eceae348..2af3da4b2d05 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; +@@ -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, +-- +2.27.0 + |