netdev - [PATCH v4 10/16] net: macb: Use helper rgmii

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Message-Id: <20241028-upstream_s32cc_gmac-v4-10-03618f10e3e2@oss.nxp.com>
Date: Mon, 28 Oct 2024 21:24:52 +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 10/16] net: macb: 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/cadence/macb_main.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index f06babec04a0..f1e481264511 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -530,19 +530,9 @@ static void macb_set_tx_clk(struct macb *bp, int speed)
 	if (bp->phy_interface == PHY_INTERFACE_MODE_MII)
 		return;

-	switch (speed) {
-	case SPEED_10:
-		rate = 2500000;
-		break;
-	case SPEED_100:
-		rate = 25000000;
-		break;
-	case SPEED_1000:
-		rate = 125000000;
-		break;
-	default:
+	rate = rgmii_clock(speed);
+	if (rate < 0)
 		return;
-	}

 	rate_rounded = clk_round_rate(bp->tx_clk, rate);
 	if (rate_rounded < 0)

-- 
2.46.0