From patchwork Mon Jul 17 10:00:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Kepplinger-Novakovic X-Patchwork-Id: 13316441 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 mout01.posteo.de ([185.67.36.65]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qLL2p-003iAN-2e for linux-arm-kernel@lists.infradead.org; Mon, 17 Jul 2023 10:01:33 +0000 Received: from submission (posteo.de [185.67.36.169]) by mout01.posteo.de (Postfix) with ESMTPS id 6206224002A for ; Mon, 17 Jul 2023 12:01:19 +0200 (CEST) From: Martin Kepplinger Subject: [PATCH v1 4/4] arm64: dts: imx8mq-librem5: Reduce usdhc2's post-power-on-delay-ms to 20ms Date: Mon, 17 Jul 2023 10:00:56 +0000 Message-Id: <20230717100056.4047292-5-martink@posteo.de> In-Reply-To: <20230717100056.4047292-1-martink@posteo.de> References: <20230717100056.4047292-1-martink@posteo.de> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+lwn-linux-arm-kernel=archive.lwn.net@lists.infradead.org List-Archive: To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, festevam@gmail.com Cc: kernel@pengutronix.de, linux-imx@nxp.com, kernel@puri.sm, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, phone-devel@vger.kernel.org, Sebastian Krzyszkowiak , Martin Kepplinger From: Sebastian Krzyszkowiak This appears to be enough for both Redpine and SparkLAN cards. Waiting for too long makes us waste time in resume from system suspend, so let's keep it as short as possible. Signed-off-by: Sebastian Krzyszkowiak Signed-off-by: Martin Kepplinger --- arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi index 3f251910b3949..e329c29f3f1c6 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi @@ -1394,7 +1394,7 @@ &usdhc2 { bus-width = <4>; vmmc-supply = <®_wifi_3v3>; mmc-pwrseq = <&usdhc2_pwrseq>; - post-power-on-delay-ms = <1000>; + post-power-on-delay-ms = <20>; cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>; max-frequency = <100000000>; disable-wp;