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[net-next,v5,6/9] net: stmmac: configure SerDes on mac_finish

Message ID 20240215030500.3067426-7-yong.liang.choong@linux.intel.com (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series Enable SGMII and 2500BASEX interface mode switching for Intel platforms | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1016 this patch: 1016
netdev/build_tools success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 3 maintainers not CCed: horms@kernel.org bartosz.golaszewski@linaro.org joabreu@synopsys.com
netdev/build_clang success Errors and warnings before: 1006 this patch: 1006
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1034 this patch: 1034
netdev/checkpatch warning WARNING: line length of 81 exceeds 80 columns
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-02-16--06-00 (tests: 1443)

Commit Message

Choong Yong Liang Feb. 15, 2024, 3:04 a.m. UTC 
SerDes will configure according to the provided interface mode after
finish a major reconfiguration of the interface mode.

Signed-off-by: Choong Yong Liang <yong.liang.choong@linux.intel.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 13 +++++++++++++
 include/linux/stmmac.h                            |  3 +++
 2 files changed, 16 insertions(+)
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Patch

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index dbd16fc38888..69a33e9f1a5c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1120,12 +1120,25 @@  static unsigned int stmmac_get_pcs_neg_mode(struct phylink_config *config,
 	return neg_mode;
 }
 
+static int stmmac_mac_finish(struct phylink_config *config, unsigned int mode,
+			     phy_interface_t interface)
+{
+	struct net_device *ndev = to_net_dev(config->dev);
+	struct stmmac_priv *priv = netdev_priv(ndev);
+
+	if (priv->plat->config_serdes)
+		priv->plat->config_serdes(ndev, priv->plat->bsp_priv, interface);
+
+	return 0;
+}
+
 static const struct phylink_mac_ops stmmac_phylink_mac_ops = {
 	.mac_select_pcs = stmmac_mac_select_pcs,
 	.mac_config = stmmac_mac_config,
 	.mac_link_down = stmmac_mac_link_down,
 	.mac_link_up = stmmac_mac_link_up,
 	.mac_get_pcs_neg_mode = stmmac_get_pcs_neg_mode,
+	.mac_finish = stmmac_mac_finish,
 };
 
 /**
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index ffd66722eeda..fd3d7d25f871 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -279,6 +279,9 @@  struct plat_stmmacenet_data {
 	void (*speed_mode_2500)(struct net_device *ndev, void *priv);
 	unsigned int (*get_pcs_neg_mode)(phy_interface_t interface,
 					 struct pci_dev *pdev);
+	int (*config_serdes)(struct net_device *ndev,
+			     void *priv,
+			     phy_interface_t interface);
 	void (*ptp_clk_freq_config)(struct stmmac_priv *priv);
 	int (*init)(struct platform_device *pdev, void *priv);
 	void (*exit)(struct platform_device *pdev, void *priv);