From mboxrd@z Thu Jan 1 00:00:00 1970 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 54AEC1171A for ; Mon, 21 Aug 2023 20:09:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C6858C433C7; Mon, 21 Aug 2023 20:09:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1692648556; bh=PxOmZgFCP6jaFO+5I2DqmFSAuf6rJnBqvX+pl1pG1Lk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UqLiGXetluFhWD+oGByJFsGSL0vQA4Nnyf7C6PAVeqsS6BNzVLAcUTiLILShgFwwS w+ax1WZPJ0SzbebRttHdsQnKNWvHPl+XRjaM3GWXgQd6pDxhIaUREnGOExvlFJZOwN HbMZqaRgMkILvfnJhRcnp1c6ujLttUtcG5ucy7cA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Xiaolei Wang , Fabio Estevam , Shawn Guo , Sasha Levin Subject: [PATCH 6.4 188/234] ARM: dts: imx: Set default tuning step for imx6sx usdhc Date: Mon, 21 Aug 2023 21:42:31 +0200 Message-ID: <20230821194137.145197022@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230821194128.754601642@linuxfoundation.org> References: <20230821194128.754601642@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Xiaolei Wang [ Upstream commit 0a2b96e42a0284c4fc03022236f656a085ca714a ] If the tuning step is not set, the tuning step is set to 1. For some sd cards, the following Tuning timeout will occur. Tuning failed, falling back to fixed sampling clock So set the default tuning step. This refers to the NXP vendor's commit below: https://github.com/nxp-imx/linux-imx/blob/lf-6.1.y/ arch/arm/boot/dts/imx6sx.dtsi#L1108-L1109 Fixes: 1e336aa0c025 ("mmc: sdhci-esdhc-imx: correct the tuning start tap and step setting") Signed-off-by: Xiaolei Wang Reviewed-by: Fabio Estevam Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/imx6sx.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi index 4233943a1cca8..fc0654e3fe950 100644 --- a/arch/arm/boot/dts/imx6sx.dtsi +++ b/arch/arm/boot/dts/imx6sx.dtsi @@ -980,6 +980,8 @@ <&clks IMX6SX_CLK_USDHC1>; clock-names = "ipg", "ahb", "per"; bus-width = <4>; + fsl,tuning-start-tap = <20>; + fsl,tuning-step= <2>; status = "disabled"; }; @@ -992,6 +994,8 @@ <&clks IMX6SX_CLK_USDHC2>; clock-names = "ipg", "ahb", "per"; bus-width = <4>; + fsl,tuning-start-tap = <20>; + fsl,tuning-step= <2>; status = "disabled"; }; @@ -1004,6 +1008,8 @@ <&clks IMX6SX_CLK_USDHC3>; clock-names = "ipg", "ahb", "per"; bus-width = <4>; + fsl,tuning-start-tap = <20>; + fsl,tuning-step= <2>; status = "disabled"; }; -- 2.40.1