linux-kernel - RE: [PATCH 3/3] soc: imx: select ARM_GIC

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Message-ID: <AM0PR04MB4481E7BC1DF01CFC975577A088F90@AM0PR04MB4481.eurprd04.prod.outlook.com>
Date:   Mon, 16 Mar 2020 06:43:25 +0000
From:   Peng Fan <peng.fan@....com>
To:     Arnd Bergmann <arnd@...db.de>
CC:     Aisheng Dong <aisheng.dong@....com>, Abel Vesa <abel.vesa@....com>,
        Anson Huang <anson.huang@....com>,
        Stephen Boyd <sboyd@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Stefan Agner <stefan@...er.ch>,
        linux-clk <linux-clk@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH 3/3] soc: imx: select ARM_GIC_V3 for i.MX8M

Hi Arnd,

> Subject: Re: [PATCH 3/3] soc: imx: select ARM_GIC_V3 for i.MX8M
> 
> On Fri, Mar 13, 2020 at 4:34 AM <peng.fan@....com> wrote:
> >
> > From: Peng Fan <peng.fan@....com>
> >
> > Select ARM_GIC_V3, then it is able to use gic v3 driver in aarch32
> > mode linux on aarch64 hardware. For aarch64 mode, it not hurts to
> > select ARM_GIC_V3.
> >
> > Signed-off-by: Peng Fan <peng.fan@....com>
> > ---
> 
> Acked-by: Arnd Bergmann <arnd@...db.de>
> 
> > diff --git a/drivers/soc/imx/Kconfig b/drivers/soc/imx/Kconfig index
> > 70019cefa617..0b69024296d5 100644
> > --- a/drivers/soc/imx/Kconfig
> > +++ b/drivers/soc/imx/Kconfig
> > @@ -21,6 +21,7 @@ config SOC_IMX8M
> >         bool "i.MX8M SoC family support"
> >         depends on ARCH_MXC || COMPILE_TEST
> >         default ARCH_MXC && ARM64
> > +       select ARM_GIC_V3
> 
> It would seem sensible to also drop the dependency on the 'default'

If drop default, we need enable this config option in ARM64 defconfig,
I would leave it as is for now.

Thanks,
Peng.

> 
>       Arnd
> 
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