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Date:   Wed, 13 Jun 2018 11:30:00 -0700
From:   John Stultz <>
To:     Ryan Grachek <>
Cc:     Wei Xu <>, Rob Herring <>,
        Mark Rutland <>,
        Catalin Marinas <>,
        Will Deacon <>,
        linux-arm-kernel <>,,
        Linux Kernel Mailing List <>,
        Kalle Valo <>, Eyal Reizer <>,
        Tony Lindgren <>,
        Valentin Schneider <>
Subject: Re: [PATCH] arm64: dts: hikey: Define wl1835 power capabilities

On Wed, Jun 13, 2018 at 8:13 AM, Ryan Grachek <> wrote:
> These properties are required for compatibility with runtime PM.
> Without these properties, MMC host controller will not be aware
> of power capabilities. When the wlcore driver attempts to power
> on the device, it will erroneously fail with -EACCES.
> Signed-off-by: Ryan Grachek <>

Fixes: 60f36637bbbd ("wlcore: sdio: allow pm to handle sdio power")
Tested-by: John Stultz <>
Acked-by: John Stultz <>

Wei Xu: This fixes a functional regression with wifi on the HiKey
board that was introduced in 4.18-rc with commit 60f36637bbbd
("wlcore: sdio: allow pm to handle sdio power").

Could you please be sure to queue this for the 4.18-rc ?


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