From: Greg KH <gregkh@linuxfoundation.org>
To: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
Cc: stable@vger.kernel.org, sashal@kernel.org,
Anson Huang <Anson.Huang@nxp.com>,
Shawn Guo <shawnguo@kernel.org>
Subject: Re: [PATCH for 4.19] ARM: dts: imx6qdl-sabresd: Remove incorrect power supply assignment
Date: Thu, 8 Jul 2021 20:20:31 +0200 [thread overview]
Message-ID: <YOdB73tCGlTCfw5P@kroah.com> (raw)
In-Reply-To: <20210708091941.342219-1-nobuhiro1.iwamatsu@toshiba.co.jp>
On Thu, Jul 08, 2021 at 06:19:41PM +0900, Nobuhiro Iwamatsu wrote:
> From: Anson Huang <Anson.Huang@nxp.com>
>
> commit 4521de30fbb3f5be0db58de93582ebce72c9d44f upstream.
>
> The vdd3p0 LDO's input should be from external USB VBUS directly, NOT
> PMIC's power supply, the vdd3p0 LDO's target output voltage can be
> controlled by SW, and it requires input voltage to be high enough, with
> incorrect power supply assigned, if the power supply's voltage is lower
> than the LDO target output voltage, it will return fail and skip the LDO
> voltage adjustment, so remove the power supply assignment for vdd3p0 to
> avoid such scenario.
>
> Fixes: 93385546ba36 ("ARM: dts: imx6qdl-sabresd: Assign corresponding power supply for LDOs")
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
> Signed-off-by: Nobuhiro Iwamatsu (CIP) <nobuhiro1.iwamatsu@toshiba.co.jp>
> ---
> arch/arm/boot/dts/imx6qdl-sabresd.dtsi | 4 ----
> 1 file changed, 4 deletions(-)
Applied, thanks.
greg k-h
prev parent reply other threads:[~2021-07-08 18:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-08 9:19 [PATCH for 4.19] ARM: dts: imx6qdl-sabresd: Remove incorrect power supply assignment Nobuhiro Iwamatsu
2021-07-08 18:20 ` Greg KH [this message]
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