From patchwork Tue Nov 19 15:00:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Petrous via B4 Relay X-Patchwork-Id: 13880094 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EAF07D44167 for ; Tue, 19 Nov 2024 15:13:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To: References:Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version: Subject:Date:From:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=vo6KVajGdLCy9GmURVRhJc5ek6VaJ8nL9uEJ0Mr5dmg=; b=YjkfX2ICybNrS87CKeZCBpIEYO gw09ZsNwvB4GuAb4Yg4OXwx++jAukBOEgApNlAUYnyWdUu+pfCnn7e98IsGvpieo0IZTgqiSzuPT8 eyE7HyvyeeguZAI+6ZlNSZWk2sS9yixoXpiQoUtSDsWwMv7EmqErWVcjNI1OnADVhhD6h399D1I8m YJlRtoHF3ySMkMVQHJcblpkhYx/qd6kev7F6oNH0GKl+eRbjkWoKDakIIKSTXSqiZeQ+gbHEzn8vx HMSv0rOfDchhAT59+U1AM4gfN8TIjqcCPLlq0u91eZknYSlBEX7NzM/yjVPCXBXLcjlYNEIpA3m8j ZKIJrKkw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tDPv7-0000000CoPc-1CYm; Tue, 19 Nov 2024 15:13:37 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tDPj2-0000000ClNi-0alJ for linux-arm-kernel@lists.infradead.org; Tue, 19 Nov 2024 15:01:10 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 658835C55DC; Tue, 19 Nov 2024 15:00:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id EE332C4CEDB; Tue, 19 Nov 2024 15:01:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732028465; bh=4b0PrTZ2o36QkT6qbk1Xf7bzJq0U14n0yE8jb+fnAyI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=gAH/f+sRoFcI/T2ojjuGNvA7NjK8OriwM98+76bkDeZxh89glMtCb7CBS4TiZm6XH /r198i1p9w4X8zD0XulocnjUEX6eyRFKBnWsalectEMxprdakNtt1TUQru4hm1e3vY DPz/Lf55UfgLlsqKEHN4RcA2nOE7NEX/WYyJFfnZqsfpDeh7hFgmPLVGwTxvuGa/To 86cKVbdrt4YTsUBbzMJN1a8VCQoaS01gSjtjUvRHAC9dIjmFwtdQ4RsxTkOCZ/tu9l jBn4tsCNkTmH9EZQlyuLmv7QyHpZXq/Hul7oj2hL7npeb5Zt8Qvcirdzc2UrKTsEas dIFzSbUovj9rQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC2FBD4416E; Tue, 19 Nov 2024 15:01:04 +0000 (UTC) From: Jan Petrous via B4 Relay Date: Tue, 19 Nov 2024 16:00:18 +0100 Subject: [PATCH v5 12/16] net: dwmac-sti: Use helper rgmii_clock MIME-Version: 1.0 Message-Id: <20241119-upstream_s32cc_gmac-v5-12-7dcc90fcffef@oss.nxp.com> References: <20241119-upstream_s32cc_gmac-v5-0-7dcc90fcffef@oss.nxp.com> In-Reply-To: <20241119-upstream_s32cc_gmac-v5-0-7dcc90fcffef@oss.nxp.com> To: Maxime Coquelin , Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Vinod Koul , Richard Cochran , Andrew Lunn , Heiner Kallweit , Russell King , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Emil Renner Berthing , Minda Chen , Nicolas Ferre , Claudiu Beznea , Iyappan Subramanian , Keyur Chudgar , Quan Nguyen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Giuseppe Cavallaro Cc: linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-arm-msm@vger.kernel.org, imx@lists.linux.dev, devicetree@vger.kernel.org, NXP S32 Linux Team , "Jan Petrous (OSS)" X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1732028461; l=1952; i=jan.petrous@oss.nxp.com; s=20240922; h=from:subject:message-id; bh=4WAcRIbJeVrGoUYNaNKyXpe1e/1nCZz3HHyJvSF+DTE=; b=QJSE/uwH7qbGZ5Pt5AlP3qUpMisqMtOtJGoWm3nKCyRZm+VVvwzalJgkarLJiS7GZuaJMR0bp 4HZaWtP8UDeArvf21s/WgqOVmBTKD3sAUrVX6YwxBF7twnxzAib/NSm X-Developer-Key: i=jan.petrous@oss.nxp.com; a=ed25519; pk=Ke3wwK7rb2Me9UQRf6vR8AsfJZfhTyoDaxkUCqmSWYY= X-Endpoint-Received: by B4 Relay for jan.petrous@oss.nxp.com/20240922 with auth_id=217 X-Original-From: "Jan Petrous (OSS)" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241119_070108_323560_B72CEF58 X-CRM114-Status: GOOD ( 14.40 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: jan.petrous@oss.nxp.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: "Jan Petrous (OSS)" Utilize a new helper function rgmii_clock(). Reviewed-by: Andrew Lunn Signed-off-by: Jan Petrous (OSS) Reviewed-by: Russell King (Oracle) --- drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c index 4445cddc4cbe..0b02d079360d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c @@ -21,10 +21,7 @@ #include "stmmac_platform.h" -#define DWMAC_125MHZ 125000000 #define DWMAC_50MHZ 50000000 -#define DWMAC_25MHZ 25000000 -#define DWMAC_2_5MHZ 2500000 #define IS_PHY_IF_MODE_RGMII(iface) (iface == PHY_INTERFACE_MODE_RGMII || \ iface == PHY_INTERFACE_MODE_RGMII_ID || \ @@ -140,7 +137,7 @@ static void stih4xx_fix_retime_src(void *priv, u32 spd, unsigned int mode) struct sti_dwmac *dwmac = priv; u32 src = dwmac->tx_retime_src; u32 reg = dwmac->ctrl_reg; - u32 freq = 0; + long freq = 0; if (dwmac->interface == PHY_INTERFACE_MODE_MII) { src = TX_RETIME_SRC_TXCLK; @@ -153,19 +150,14 @@ static void stih4xx_fix_retime_src(void *priv, u32 spd, unsigned int mode) } } else if (IS_PHY_IF_MODE_RGMII(dwmac->interface)) { /* On GiGa clk source can be either ext or from clkgen */ - if (spd == SPEED_1000) { - freq = DWMAC_125MHZ; - } else { + freq = rgmii_clock(spd); + + if (spd != SPEED_1000 && freq > 0) /* Switch to clkgen for these speeds */ src = TX_RETIME_SRC_CLKGEN; - if (spd == SPEED_100) - freq = DWMAC_25MHZ; - else if (spd == SPEED_10) - freq = DWMAC_2_5MHZ; - } } - if (src == TX_RETIME_SRC_CLKGEN && freq) + if (src == TX_RETIME_SRC_CLKGEN && freq > 0) clk_set_rate(dwmac->clk, freq); regmap_update_bits(dwmac->regmap, reg, STIH4XX_RETIME_SRC_MASK,