[v1,4/4] arm64: dts: imx8mq-librem5: Reduce usdhc2's post-power-on-delay-ms to 20ms
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From: Martin Kepplinger <martink@posteo.de>
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 <sebastian.krzyszkowiak@puri.sm>,
Martin Kepplinger <martin.kepplinger@puri.sm>
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
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arm64: dts: imx8mq-librem5: description updates
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Commit Message
Martin Kepplinger
July 17, 2023, 10 a.m. UTC
From: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm> 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 <sebastian.krzyszkowiak@puri.sm> Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm> --- 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;