linux-kernel - Re: [PATCH V4 1/5] pvpanic: move pvpanic to misc as common driver

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Message-ID: <CAHp75Ve4JhTbEFTYKWCx2DS80NKPXZJ8GDiamEFLq3vPCgVvzw@mail.gmail.com>
Date:   Wed, 31 Oct 2018 14:45:21 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     peng.hao2@....com.cn
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andy Shevchenko <andy@...radead.org>,
        Darren Hart <dvhart@...radead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        hutao@...fujitsu.com,
        Linux Documentation List <linux-doc@...r.kernel.org>
Subject: Re: [PATCH V4 1/5] pvpanic: move pvpanic to misc as common driver

On Wed, Oct 31, 2018 at 7:27 AM Peng Hao <peng.hao2@....com.cn> wrote:
>
> move pvpanic.c from drivers/platform/x86 to drivers/misc.
> following patches will use pvpanic device in arm64.

> --- a/drivers/platform/Kconfig
> +++ b/drivers/platform/Kconfig
> @@ -1,3 +1,6 @@
> +if ARM64
> +source "drivers/platform/arm/Kconfig"
> +endif
>  if X86
>  source "drivers/platform/x86/Kconfig"
>  endif
> diff --git a/drivers/platform/Makefile b/drivers/platform/Makefile
> index 4b2ce58..232231c 100644
> --- a/drivers/platform/Makefile
> +++ b/drivers/platform/Makefile
> @@ -3,6 +3,7 @@
>  # Makefile for linux/drivers/platform
>  #
>
> +obj-$(CONFIG_ARM64)               += arm/
>  obj-$(CONFIG_X86)              += x86/
>  obj-$(CONFIG_MELLANOX_PLATFORM)        += mellanox/
>  obj-$(CONFIG_MIPS)             += mips/

I'm not sure:
a) how it's related to the rest in this patch (should be split I suppose);
b) how come arm64->arm replacement — are platform drivers independent
from the (ARM) architecture?

-- 
With Best Regards,
Andy Shevchenko