linux-kernel - Re: [PATCH] arm64: rockchip: enable Rockchip IO domain support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <2479039.bQBttOkD7L@diego>
Date:   Fri, 15 Dec 2017 16:33:47 +0100
From:   Heiko Stübner <heiko@...ech.de>
To:     Klaus Goger <klaus.goger@...obroma-systems.com>
Cc:     linux-rockchip@...ts.infradead.org,
        Will Deacon <will.deacon@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] arm64: rockchip: enable Rockchip IO domain support

Am Freitag, 15. Dezember 2017, 13:20:10 CET schrieb Klaus Goger:
> Make sure the IO domain support is active. This requires to enable
> Adaptive Voltage Scaling class support too.
> 
> Without Rockchip IO domain support the internal level shifter on the RK3399
> will be misconfigured if used in the other voltage domain then the default.
> 
> Signed-off-by: Klaus Goger <klaus.goger@...obroma-systems.com>
> 
> ---
> 
>  arch/arm64/Kconfig.platforms | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
> index 2401373565ff..7c0b0ab12f18 100644
> --- a/arch/arm64/Kconfig.platforms
> +++ b/arch/arm64/Kconfig.platforms
> @@ -150,6 +150,8 @@ config ARCH_ROCKCHIP
>  	select GPIOLIB
>  	select PINCTRL
>  	select PINCTRL_ROCKCHIP
> +	select POWER_AVS
> +	select ROCKCHIP_IODOMAIN

I'm not sure if we really want this in the default arch Kconfig or if there
are cases where the iodomain driver is not necessary.

On arm32 it just gets selected in the regular defconfig [0]


Heiko

[0] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/configs/multi_v7_defconfig#n452