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Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB

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On 2017-09-24, Jochen Sprickerhof wrote:
> Finally I had the time and hardware available to look into this again 
> and found a better way to fix it. Applying the attached patch results in 
> a new exynos5422-odroidxu4.dtb that could simply be copied to /boot/dtbs/*/
> I've tested this with the current kernel in sid (linux-image-4.12.0-2-armmp)
> as well as stretch (linux-image-4.9.0-3-armmp). More tests welcome.

Thanks!

I'm testing the patched .dtb on linux-image-4.9.0-3-armmp-lpae on two
machines and one machine running linux-image-4.13.0-trunk-armmp-lpae.
All use USB for rootfs and a build partition, so should test USB
reasonable well. Seems to work fine so far.

Using a patched .dtb is a much easier workaround than having to
recompile the whole kernel (and follow security updates and so on)!

I'd be happy to also do some testing with newer mainline kernels, if
you'd like to CC me on patch submissions upstream.


live well,
  vagrant

> Cheers Jochen
> From 0d3552be829d5a275d549cbf6ab468bfdb026e49 Mon Sep 17 00:00:00 2001
> From: Jochen Sprickerhof <git@jochen.sprickerhof.de>
> Date: Sun, 24 Sep 2017 08:28:12 +0200
> Subject: [PATCH] ARM: dts: exynos: Use dwc3 quirk for USB3 and LAN on Odroid
>  XU4
>
> First proposed in https://lkml.org/lkml/2015/3/18/400 and discussed
> again in https://lkml.org/lkml/2017/1/24/402.
> ---
>  arch/arm/boot/dts/exynos5422-odroidxu4.dts | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos5422-odroidxu4.dts b/arch/arm/boot/dts/exynos5422-odroidxu4.dts
> index 2faf88627a48..3861f74b2ecc 100644
> --- a/arch/arm/boot/dts/exynos5422-odroidxu4.dts
> +++ b/arch/arm/boot/dts/exynos5422-odroidxu4.dts
> @@ -43,6 +43,11 @@
>  	status = "okay";
>  };
>  
> +&usbdrd_dwc3_0 {
> +	snps,dis_u3_susphy_quirk;
> +};
> +
>  &usbdrd_dwc3_1 {
>  	dr_mode = "host";
> +	snps,dis_u3_susphy_quirk;
>  };
> -- 
> 2.14.1

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Bug#843448: [jspricke@debian.org: Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB] Jochen Sprickerhof <jspricke@debian.org> - 2017-07-03 16:40 +0200
  Bug#843448: [jspricke@debian.org: Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB] "Steinar H. Gunderson" <sesse@debian.org> - 2017-07-03 16:50 +0200
  Bug#843448: [jspricke@debian.org: Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB] "Steinar H. Gunderson" <sesse@debian.org> - 2017-07-06 23:20 +0200
    Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB Jochen Sprickerhof <jspricke@debian.org> - 2017-07-07 20:50 +0200
      Processed: Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to  boot on Odroid-Xu4 with rootfs on USB owner@bugs.debian.org (Debian Bug Tracking System) - 2017-07-07 20:50 +0200
      Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB "Steinar H. Gunderson" <sesse@debian.org> - 2017-07-07 21:00 +0200
      Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB Vagrant Cascadian <vagrant@debian.org> - 2017-07-08 05:30 +0200
        Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB Jochen Sprickerhof <jspricke@debian.org> - 2017-07-08 08:00 +0200
          Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB Jochen Sprickerhof <jspricke@debian.org> - 2017-07-08 10:50 +0200
            Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB "Steinar H. Gunderson" <sesse@debian.org> - 2017-07-08 10:50 +0200
              Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB Jochen Sprickerhof <jspricke@debian.org> - 2017-07-08 18:30 +0200
          Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB "Steinar H. Gunderson" <sesse@debian.org> - 2017-07-08 10:50 +0200
            Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB Vagrant Cascadian <vagrant@debian.org> - 2017-07-11 03:00 +0200
              Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB Vagrant Cascadian <vagrant@debian.org> - 2017-07-16 21:00 +0200
                Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB Vagrant Cascadian <vagrant@debian.org> - 2017-09-07 08:40 +0200
                Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB "Steinar H. Gunderson" <sesse@debian.org> - 2017-09-12 22:40 +0200
                Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB Jochen Sprickerhof <jspricke@debian.org> - 2017-09-24 10:10 +0200
                Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB Ben Hutchings <ben@decadent.org.uk> - 2017-09-24 21:40 +0200
                Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB Vagrant Cascadian <vagrant@debian.org> - 2017-09-24 23:20 +0200
                Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB gustavo panizzo <gfa@zumbi.com.ar> - 2017-09-28 05:00 +0200
                Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB Jochen Sprickerhof <jspricke@debian.org> - 2017-09-30 18:40 +0200
          Bug#843448: linux-image-4.8.0-1-armmp-lpae: fails to boot on Odroid-Xu4 with rootfs on USB gustavo panizzo <gfa@zumbi.com.ar> - 2017-07-19 14:00 +0200

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