netdev - [PATCH v4 11/16] net: xgene_enet: Use helper rgmii

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Message-Id: <20241028-upstream_s32cc_gmac-v4-11-03618f10e3e2@oss.nxp.com>
Date: Mon, 28 Oct 2024 21:24:53 +0100
From: Jan Petrous via B4 Relay <devnull+jan.petrous.oss.nxp.com@...nel.org>
To: Maxime Coquelin <mcoquelin.stm32@...il.com>, 
 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>, Vinod Koul <vkoul@...nel.org>, 
 Richard Cochran <richardcochran@...il.com>, Andrew Lunn <andrew@...n.ch>, 
 Heiner Kallweit <hkallweit1@...il.com>, 
 Russell King <linux@...linux.org.uk>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Emil Renner Berthing <kernel@...il.dk>, 
 Minda Chen <minda.chen@...rfivetech.com>, 
 Nicolas Ferre <nicolas.ferre@...rochip.com>, 
 Claudiu Beznea <claudiu.beznea@...on.dev>, 
 Iyappan Subramanian <iyappan@...amperecomputing.com>, 
 Keyur Chudgar <keyur@...amperecomputing.com>, 
 Quan Nguyen <quan@...amperecomputing.com>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Giuseppe Cavallaro <peppe.cavallaro@...com>
Cc: linux-stm32@...md-mailman.stormreply.com, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 netdev@...r.kernel.org, linux-arm-msm@...r.kernel.org, imx@...ts.linux.dev, 
 devicetree@...r.kernel.org, NXP S32 Linux Team <s32@....com>, 
 "Jan Petrous (OSS)" <jan.petrous@....nxp.com>
Subject: [PATCH v4 11/16] net: xgene_enet: Use helper rgmii_clock

From: "Jan Petrous (OSS)" <jan.petrous@....nxp.com>

Utilize a new helper function rgmii_clock().

Signed-off-by: Jan Petrous (OSS) <jan.petrous@....nxp.com>
---
 drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
index e641dbbea1e2..b854b6b42d77 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -421,18 +421,12 @@ static void xgene_enet_configure_clock(struct xgene_enet_pdata *pdata)

 	if (dev->of_node) {
 		struct clk *parent = clk_get_parent(pdata->clk);
+		long rate = rgmii_clock(pdata->phy_speed);

-		switch (pdata->phy_speed) {
-		case SPEED_10:
-			clk_set_rate(parent, 2500000);
-			break;
-		case SPEED_100:
-			clk_set_rate(parent, 25000000);
-			break;
-		default:
-			clk_set_rate(parent, 125000000);
-			break;
-		}
+		if (rate < 0)
+			rate = 125000000;
+
+		clk_set_rate(parent, rate);
 	}
 #ifdef CONFIG_ACPI
 	else {

-- 
2.46.0