From: shawnguo@kernel.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: imx6qdl-udoo: Disable usbh1 to avoid kernel hang
Date: Thu, 22 Feb 2018 11:40:22 +0800 [thread overview]
Message-ID: <20180222034021.GE3217@dragon> (raw)
In-Reply-To: <1516278858-15464-1-git-send-email-fabio.estevam@nxp.com>
On Thu, Jan 18, 2018 at 10:34:18AM -0200, Fabio Estevam wrote:
> Currently the kernel hangs when USB Host1 is enabled due to the lack of
> support for controlling the USB hub clock and GPIO reset line.
>
> Peter Chen has made several attempts to fix this problem, but his series
> has not been applied yet, so better disable USB host1 for now to avoid
> the kernel hang.
>
> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
The commit log is not clear enough to tell why it works for v4.12 and
doesn't for 4.13 and later ones.
Shawn
> ---
> arch/arm/boot/dts/imx6qdl-udoo.dtsi | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/imx6qdl-udoo.dtsi b/arch/arm/boot/dts/imx6qdl-udoo.dtsi
> index 4161b7d..1f0b9f6 100644
> --- a/arch/arm/boot/dts/imx6qdl-udoo.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-udoo.dtsi
> @@ -274,7 +274,8 @@
> pinctrl-0 = <&pinctrl_usbh>;
> vbus-supply = <®_usb_h1_vbus>;
> clocks = <&clks IMX6QDL_CLK_CKO>;
> - status = "okay";
> + /* currently USB support causes a kernel hang. Disable it for now */
> + status = "disabled";
> };
>
> &usdhc3 {
> --
> 2.7.4
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
prev parent reply other threads:[~2018-02-22 3:40 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-18 12:34 [PATCH] ARM: dts: imx6qdl-udoo: Disable usbh1 to avoid kernel hang Fabio Estevam
2018-01-18 23:11 ` Maciej S. Szmigiero
[not found] ` <CAOcK=CNuopm0bq3s-jb2MJ0hHhLyYC1h3zquO__syN2=tU_nKQ@mail.gmail.com>
2018-01-18 23:25 ` Maciej S. Szmigiero
2018-01-18 23:50 ` Markus Rathgeb
2018-01-18 23:56 ` Maciej S. Szmigiero
2018-01-18 23:29 ` Markus Rathgeb
2018-01-19 12:03 ` Fabio Estevam
2018-01-19 11:59 ` Fabio Estevam
2018-01-19 13:38 ` Maciej S. Szmigiero
2018-01-20 9:14 ` Markus Rathgeb
2018-02-11 13:47 ` Markus Rathgeb
2018-02-11 13:58 ` Fabio Estevam
2018-02-11 19:21 ` Fabio Estevam
2018-02-11 23:23 ` Markus Rathgeb
2018-02-22 3:40 ` Shawn Guo [this message]
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