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Date:   Tue, 29 Dec 2020 16:50:21 +0100
From:   Krzysztof Kozlowski <>
To:     Marek Szyprowski <>,
Cc:     Krzysztof Kozlowski <>,
        Kishon Vijay Abraham I <>,
        Vinod Koul <>,
        Sylwester Nawrocki <>,,
        Marian Mihailescu <>,
        Bartlomiej Zolnierkiewicz <>,
        Willy Wolff <>
Subject: Re: (subset) [PATCH 0/2] Fix USB2 PHY operation on Exynos542x

On Fri, 20 Nov 2020 09:56:35 +0100, Marek Szyprowski wrote:
> This patchset finally fixes the last remaining issue related to the
> system suspend/resume on Odroid XU3/XU4/HC1 board family. It can be
> observed that system suspend/resume fails on XU4/HC1 when kernel is
> compiled from multi_v7_defconfig. Chaning the configuration a bit -
> switching Exynos USB2 PHY driver to be built-in surprisingly fixed that
> issue. An investigation revealed that the Exynos USB2 PHY driver poked
> wrong registers in the PMU area on Exynos5420 SoCs breaking the USB3.0
> DRD PHY operation, what caused the suspend failure. Fix this by learning
> the Exynos USB2 PHY driver about the Exynos5420 variant.
> [...]

Applied, thanks!

[2/2] ARM: dts: exynos: use Exynos5420 dedicated USB2 PHY compatible
      commit: 75681980c4e3d89c55b5b8f20b8f4c1aace601be

Best regards,
Krzysztof Kozlowski <>

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