From patchwork Tue Nov 19 15:00:22 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: 844310 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A84A11D0E24; Tue, 19 Nov 2024 15:01:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732028465; cv=none; b=mewPxSQGKgCZwDClJXbbgmnZIpXBxKc+WlOn1/nPzai9KyUvQIe+If0zuVFlsd6VyeKYKZvkarrLPhDJrbjgDm4l+k6FTJ4l5M1dRN7yO5i6NITzkFHMNl0ZeV2IgdTgMRdoDkElwfEGR/HeBnV41Acf96t7cAqbXp3Ajj9YpAA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732028465; c=relaxed/simple; bh=OHxB9rBJfD9alhtYQwEZOwU5JQFBquZocPkNzhxXMqo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=qe6SbzYGiEmtkMj5ZzRUgQGDiXiJvN7eAnqOLlC7XTnbXG11Nb57cJ6GK4qzCxQxCUJgTiYm78TlgYoYxJyDHwF2vqv7sES0cbVYPC7q6Wjc8dYRNx7F/IBOhteW+Vip5somHFgLFqSgZbWaVOo9sXoAASXbxqK8FDDKTWEyxzU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VKGrz6wi; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VKGrz6wi" Received: by smtp.kernel.org (Postfix) with ESMTPS id 712E1C4AF09; Tue, 19 Nov 2024 15:01:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732028465; bh=OHxB9rBJfD9alhtYQwEZOwU5JQFBquZocPkNzhxXMqo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=VKGrz6wipn/LFmH8fMXXJyLXayMB+Im0igBI4lrMWMm7pR1cBZbT80UjZuAv/xa2u ile6rQTSgvXm4ZZhfiYpcmcUmPtvSZUabEMkz5HmmVmaknYqcs8ICsX9CoDOHZmakj VFvcmsxIRIRqfheLUNWRDWfFMWFoEDociWQzyWmirCQI16asY8ZkMLkj3GUUaAz9hy PePdUFHT8kuvOxazr6Cs7SP9Cwk/J+5lSwzJUFQte76Zn7miBAfPXUlifQJJCeS+Pq VsiV9ufJJmcK9BxrEpSMqBQq1JGXeACKMo5GHYRmVR4ncvF38kZWP942lT5gusUurO ABtPQ6wQ+tuiw== 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 64FDAD44167; Tue, 19 Nov 2024 15:01:05 +0000 (UTC) From: Jan Petrous via B4 Relay Date: Tue, 19 Nov 2024 16:00:22 +0100 Subject: [PATCH v5 16/16] net: stmmac: platform: Fix PTP clock rate reading Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241119-upstream_s32cc_gmac-v5-16-7dcc90fcffef@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=1264; i=jan.petrous@oss.nxp.com; s=20240922; h=from:subject:message-id; bh=SPtatx8x0ZkbtjnD8HA6OeWFeo+DZZ7ciHEBKeYJXkM=; b=2UaIZd/gCwdI5kIGbU8BJj5qpiNrj2FL1GF/utf3Q9uRD7+lnoiRcKDO9pbhMhMM611X5TL1E toRgEv2X5geDhoQ+eHY+2G/4K1Vn3mTfArX/V9Hwli6Rqyvby60GyYU 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)" Reply-To: jan.petrous@oss.nxp.com From: "Jan Petrous (OSS)" The stmmac driver supports many vendors SoCs using Synopsys-licensed Ethernet controller IP. Most of these vendors reuse the stmmac_platform codebase, which has a potential PTP clock initialization issue. The PTP clock rate reading might require ungating what is not provided. Fix the PTP clock initialization by enabling it immediately. Signed-off-by: Jan Petrous (OSS) --- drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index b1e4df1a86a0..db3e8ef4fc3a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -632,7 +632,7 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac) clk_prepare_enable(plat->pclk); /* Fall-back to main clock in case of no PTP ref is passed */ - plat->clk_ptp_ref = devm_clk_get(&pdev->dev, "ptp_ref"); + plat->clk_ptp_ref = devm_clk_get_enabled(&pdev->dev, "ptp_ref"); if (IS_ERR(plat->clk_ptp_ref)) { plat->clk_ptp_rate = clk_get_rate(plat->stmmac_clk); plat->clk_ptp_ref = NULL;