linux-kernel - Re: [PATCH 0/1] fix rk3066a based boards boot issue on linux-4.8

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Message-ID: <20160919112121.2e0bc376@bbrezillon>
Date:   Mon, 19 Sep 2016 11:21:21 +0200
From:   Boris Brezillon <boris.brezillon@...e-electrons.com>
To:     Andy Yan <andy.yan@...k-chips.com>
Cc:     heiko@...ech.de, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 0/1] fix rk3066a based boards boot issue on linux-4.8

Hi Andy,

On Mon, 19 Sep 2016 16:43:59 +0800
Andy Yan <andy.yan@...k-chips.com> wrote:

> Hi, heiko:
>    I found my Rayeager board couldn't boot up on linux 4.8. After some
> dig, I found the pwm-regulator for vdd_log register failed and found
> some change in Boris's patch: commit 87248991a1de(regulator: pwm: Properly
> initialize the ->state field).

Hm, that's weird. This commit only makes sure that the regulator
voltage state is correctly initialized (matching the hardware state),
and I don't understand why changing the voltage-table make it work.

Can you share the kernel logs? What are the symptoms?

Thanks,

Boris

>    I send this patch to make the pwm-regulator can register success on
> this change.
> 
> 
> Andy Yan (1):
>   arm: dts: fix rk3066a based boards vdd_log voltage initialization
> 
>  arch/arm/boot/dts/rk3066a-bqcurie2.dts  | 2 +-
>  arch/arm/boot/dts/rk3066a-marsboard.dts | 2 +-
>  arch/arm/boot/dts/rk3066a-rayeager.dts  | 2 +-
>  3 files changed, 3 insertions(+), 3 deletions(-)
>