From patchwork Mon Oct 28 20:24:58 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: 13854145 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 AF6C2D5B14E for ; Mon, 28 Oct 2024 20:53:03 +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=8CRnq/D8T1oXlfPFJoNN4e2SbmU6ig7fpUKVTFKQYCE=; b=jkM+8cfLeVZ7bcis0liZ91ZGfX HSbsXNI6d3Kf5kqJQ5/FwEWcWgwpaCCAMf7E+jtbykVUYFIOnus80m3Z+zGM+OUIgmkCvAY9GVcny OhJCyX4dogyBhyZvJ39pX4tpDRLSLKx12QHZ7PSGrvR9yjXOfzrgreYgy18OCb8lVavgaXECqbRwM jJHiMDAQBHv22eHTZ5GkfDDB21Vb0qugAjGsmKFe5JVDGZCzSd2Ii4XRSUbVkOYQU6aodh8cUqSuP eEKO7VR1AeMr479NMUbz5RfOtfDNEcQXm2E2SplLyIHCSK4UAPjs9v4xYm41OLkfUOVfTKnSbHEPu LMs3BM/A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t5WjN-0000000CG23-31GL; Mon, 28 Oct 2024 20:52:53 +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 1t5WIv-0000000C9F2-1jE9 for linux-arm-kernel@lists.infradead.org; Mon, 28 Oct 2024 20:25:36 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 4C3E05C5D63; Mon, 28 Oct 2024 20:24:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 01E3BC4CEE7; Mon, 28 Oct 2024 20:25:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730147129; bh=GkMDbekZjB413spSTR0VjgfWteczHDggEgGysKXOZNM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=mXiL75m+E7K8jMEWIDyuSqebPihtWwF+37c9GSBFVphIYJPXs7Hls4umuBzGO8xyp oOrUAycEYWUGuIovCuxndtWC8li5P5iTkne29rKP4C2cQrbnP2JmOXfXvSDLrl7i3b 3aM0ScUt04nmfnsv395mwpuXHtoLucOqQXN1mH20WZty17vT1Rs/0vSAdWE3Rh4Sy4 48lTbgc5FcKseURg5PFklQ+RZPNOuctBxBKDdjHsM9MhCXQhF49QgwkFt0Z1+WQp+1 WdJDX47zBffGlkj9cWvRsPxi9irNqLwVln3pi0+I+FNGlDOud17aF0d8fDKRZw1bwZ y0GSB/mArNVPw== 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 E3279D5B154; Mon, 28 Oct 2024 20:25:28 +0000 (UTC) From: Jan Petrous via B4 Relay Date: Mon, 28 Oct 2024 21:24:58 +0100 Subject: [PATCH v4 16/16] net: stmmac: dwmac-s32: Read PTP clock rate when ready MIME-Version: 1.0 Message-Id: <20241028-upstream_s32cc_gmac-v4-16-03618f10e3e2@oss.nxp.com> References: <20241028-upstream_s32cc_gmac-v4-0-03618f10e3e2@oss.nxp.com> In-Reply-To: <20241028-upstream_s32cc_gmac-v4-0-03618f10e3e2@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)" , Andrei Botila , Jacob Keller X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1730147124; l=1605; i=jan.petrous@oss.nxp.com; s=20240922; h=from:subject:message-id; bh=LsZsEsLk0S5TfmlHZCV6HTyBWNimPqjm1epTUQoYEEY=; b=UQ0dGVjkzm5GF1d8SPLrApbJm5eP1wcEFzCOmIZsO2S6Axeju/ihEdVNgR5Ymfi+y/1JYAjtu 8gaokdVXYkrAPmWNLUbafaETbKpSQPUHkt0TuYOSgaxtqsEpslpq/0U 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-20241028_132533_799200_5EE02CF9 X-CRM114-Status: GOOD ( 11.70 ) 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)" The PTP clock is read by stmmac_platform during DT parse. On S32G/R the clock is not ready and returns 0. Postpone reading of the clock on PTP init. Co-developed-by: Andrei Botila Signed-off-by: Andrei Botila Signed-off-by: Jan Petrous (OSS) Reviewed-by: Jacob Keller --- drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c index fba221c37594..da2cdcfd0529 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-s32.c @@ -140,6 +140,18 @@ static void s32_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode) dev_err(gmac->dev, "Can't set tx clock\n"); } +static void s32_dwmac_ptp_clk_freq_config(struct stmmac_priv *priv) +{ + struct plat_stmmacenet_data *plat = priv->plat; + + if (!plat->clk_ptp_ref) + return; + + plat->clk_ptp_rate = clk_get_rate(plat->clk_ptp_ref); + + netdev_dbg(priv->dev, "PTP rate %lu\n", plat->clk_ptp_rate); +} + static int s32_dwmac_probe(struct platform_device *pdev) { struct plat_stmmacenet_data *plat; @@ -195,6 +207,7 @@ static int s32_dwmac_probe(struct platform_device *pdev) plat->init = s32_gmac_init; plat->exit = s32_gmac_exit; plat->fix_mac_speed = s32_fix_mac_speed; + plat->ptp_clk_freq_config = s32_dwmac_ptp_clk_freq_config; plat->bsp_priv = gmac;