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Message-Id: <E1s6C4d-00Ck6h-Kp@rmk-PC.armlinux.org.uk>
Date: Sun, 12 May 2024 17:29:19 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Serge Semin <fancer.lancer@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Jose Abreu <joabreu@...opsys.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	netdev@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH RFC net-next 5/6] net: stmmac: remove pcs_get_adv_lp() method
 and associated code

The pcs_get_adv_lp() method is no longer required as phylink handles
the state via the pcs_get_state() method. Remove this now redundant
code.

Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
 .../ethernet/stmicro/stmmac/dwmac1000_core.c  |  6 ----
 .../net/ethernet/stmicro/stmmac/dwmac4_core.c |  8 -----
 .../ethernet/stmicro/stmmac/dwxgmac2_core.c   |  2 --
 drivers/net/ethernet/stmicro/stmmac/hwif.h    |  4 ---
 .../net/ethernet/stmicro/stmmac/stmmac_pcs.h  | 30 -------------------
 5 files changed, 50 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
index 05907fb5b0aa..05143fa7aa6c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
@@ -401,11 +401,6 @@ static void dwmac1000_set_eee_timer(struct mac_device_info *hw, int ls, int tw)
 	writel(value, ioaddr + LPI_TIMER_CTRL);
 }
 
-static void dwmac1000_get_adv_lp(void __iomem *ioaddr, struct rgmii_adv *adv)
-{
-	dwmac_get_adv_lp(ioaddr, GMAC_PCS_BASE, adv);
-}
-
 static int dwmac1000_mii_pcs_validate(struct phylink_pcs *pcs,
 				      unsigned long *supported,
 				      const struct phylink_link_state *state)
@@ -577,7 +572,6 @@ const struct stmmac_ops dwmac1000_ops = {
 	.set_eee_timer = dwmac1000_set_eee_timer,
 	.set_eee_pls = dwmac1000_set_eee_pls,
 	.debug = dwmac1000_debug,
-	.pcs_get_adv_lp = dwmac1000_get_adv_lp,
 	.set_mac_loopback = dwmac1000_set_mac_loopback,
 };
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index dfe5aa41224c..e70cca85548a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -753,11 +753,6 @@ static void dwmac4_flow_ctrl(struct mac_device_info *hw, unsigned int duplex,
 	}
 }
 
-static void dwmac4_get_adv_lp(void __iomem *ioaddr, struct rgmii_adv *adv)
-{
-	dwmac_get_adv_lp(ioaddr, GMAC_PCS_BASE, adv);
-}
-
 /* RGMII or SMII interface */
 static void dwmac4_phystatus(void __iomem *ioaddr, struct stmmac_extra_stats *x)
 {
@@ -1278,7 +1273,6 @@ const struct stmmac_ops dwmac4_ops = {
 	.set_eee_lpi_entry_timer = dwmac4_set_eee_lpi_entry_timer,
 	.set_eee_timer = dwmac4_set_eee_timer,
 	.set_eee_pls = dwmac4_set_eee_pls,
-	.pcs_get_adv_lp = dwmac4_get_adv_lp,
 	.debug = dwmac4_debug,
 	.set_filter = dwmac4_set_filter,
 	.set_mac_loopback = dwmac4_set_mac_loopback,
@@ -1322,7 +1316,6 @@ const struct stmmac_ops dwmac410_ops = {
 	.set_eee_lpi_entry_timer = dwmac4_set_eee_lpi_entry_timer,
 	.set_eee_timer = dwmac4_set_eee_timer,
 	.set_eee_pls = dwmac4_set_eee_pls,
-	.pcs_get_adv_lp = dwmac4_get_adv_lp,
 	.debug = dwmac4_debug,
 	.set_filter = dwmac4_set_filter,
 	.flex_pps_config = dwmac5_flex_pps_config,
@@ -1370,7 +1363,6 @@ const struct stmmac_ops dwmac510_ops = {
 	.set_eee_lpi_entry_timer = dwmac4_set_eee_lpi_entry_timer,
 	.set_eee_timer = dwmac4_set_eee_timer,
 	.set_eee_pls = dwmac4_set_eee_pls,
-	.pcs_get_adv_lp = dwmac4_get_adv_lp,
 	.debug = dwmac4_debug,
 	.set_filter = dwmac4_set_filter,
 	.safety_feat_config = dwmac5_safety_feat_config,
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index a818ba3e336e..6a987cf598e4 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -1554,7 +1554,6 @@ const struct stmmac_ops dwxgmac210_ops = {
 	.reset_eee_mode = dwxgmac2_reset_eee_mode,
 	.set_eee_timer = dwxgmac2_set_eee_timer,
 	.set_eee_pls = dwxgmac2_set_eee_pls,
-	.pcs_get_adv_lp = NULL,
 	.debug = NULL,
 	.set_filter = dwxgmac2_set_filter,
 	.safety_feat_config = dwxgmac3_safety_feat_config,
@@ -1612,7 +1611,6 @@ const struct stmmac_ops dwxlgmac2_ops = {
 	.reset_eee_mode = dwxgmac2_reset_eee_mode,
 	.set_eee_timer = dwxgmac2_set_eee_timer,
 	.set_eee_pls = dwxgmac2_set_eee_pls,
-	.pcs_get_adv_lp = NULL,
 	.debug = NULL,
 	.set_filter = dwxgmac2_set_filter,
 	.safety_feat_config = dwxgmac3_safety_feat_config,
diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h
index 2ccb9de250d1..31b7e390853d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/hwif.h
+++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h
@@ -375,8 +375,6 @@ struct stmmac_ops {
 	void (*debug)(struct stmmac_priv *priv, void __iomem *ioaddr,
 		      struct stmmac_extra_stats *x, u32 rx_queues,
 		      u32 tx_queues);
-	/* PCS calls */
-	void (*pcs_get_adv_lp)(void __iomem *ioaddr, struct rgmii_adv *adv);
 	/* Safety Features */
 	int (*safety_feat_config)(void __iomem *ioaddr, unsigned int asp,
 				  struct stmmac_safety_feature_cfg *safety_cfg);
@@ -491,8 +489,6 @@ struct stmmac_ops {
 	stmmac_do_void_callback(__priv, mac, set_eee_pls, __args)
 #define stmmac_mac_debug(__priv, __args...) \
 	stmmac_do_void_callback(__priv, mac, debug, __priv, __args)
-#define stmmac_pcs_get_adv_lp(__priv, __args...) \
-	stmmac_do_void_callback(__priv, mac, pcs_get_adv_lp, __args)
 #define stmmac_safety_feat_config(__priv, __args...) \
 	stmmac_do_callback(__priv, mac, safety_feat_config, __args)
 #define stmmac_safety_feat_irq_status(__priv, __args...) \
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.h
index a1770461b891..fc321582f0dc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pcs.h
@@ -74,36 +74,6 @@ static inline void dwmac_pcs_isr(void __iomem *ioaddr, u32 reg,
 	}
 }
 
-/**
- * dwmac_get_adv_lp - Get ADV and LP cap
- * @ioaddr: IO registers pointer
- * @reg: Base address of the AN Control Register.
- * @adv_lp: structure to store the adv,lp status
- * Description: this is to expose the ANE advertisement and Link partner ability
- * status to ethtool support.
- */
-static inline void dwmac_get_adv_lp(void __iomem *ioaddr, u32 reg,
-				    struct rgmii_adv *adv_lp)
-{
-	u32 value = readl(ioaddr + GMAC_ANE_ADV(reg));
-
-	if (value & GMAC_ANE_FD)
-		adv_lp->duplex = DUPLEX_FULL;
-	if (value & GMAC_ANE_HD)
-		adv_lp->duplex |= DUPLEX_HALF;
-
-	adv_lp->pause = (value & GMAC_ANE_PSE) >> GMAC_ANE_PSE_SHIFT;
-
-	value = readl(ioaddr + GMAC_ANE_LPA(reg));
-
-	if (value & GMAC_ANE_FD)
-		adv_lp->lp_duplex = DUPLEX_FULL;
-	if (value & GMAC_ANE_HD)
-		adv_lp->lp_duplex = DUPLEX_HALF;
-
-	adv_lp->lp_pause = (value & GMAC_ANE_PSE) >> GMAC_ANE_PSE_SHIFT;
-}
-
 int dwmac_pcs_config(struct mac_device_info *hw,
 		     const unsigned long *advertising,
 		     unsigned int reg_base);
-- 
2.30.2

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