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Date:   Tue, 17 Apr 2018 13:20:38 +0200
From:   Maxime Ripard <maxime.ripard@bootlin.com>
To:     =?utf-8?Q?Myl=C3=A8ne?= Josserand <mylene.josserand@bootlin.com>
Cc:     linux@armlinux.org.uk, wens@csie.org, marc.zyngier@arm.com,
        mark.rutland@arm.com, robh+dt@kernel.org, horms@verge.net.au,
        geert@linux-m68k.org, magnus.damm@gmail.com,
        linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org,
        clabbe.montjoie@gmail.com, quentin.schulz@bootlin.com,
        thomas.petazzoni@bootlin.com, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 09/11] ARM: sun8i: smp: Add support for A83T
Message-ID: <20180417112038.mw7bfhqw4xwvzxcw@flea>
References: <20180416215032.5023-1-mylene.josserand@bootlin.com>
 <20180416215032.5023-10-mylene.josserand@bootlin.com>
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On Mon, Apr 16, 2018 at 11:50:30PM +0200, Myl=E8ne Josserand wrote:
> @@ -535,8 +599,12 @@ static int sunxi_mc_smp_cpu_kill(unsigned int l_cpu)
>  	return !ret;
>  }
> =20
> -static bool sunxi_mc_smp_cpu_can_disable(unsigned int __unused)
> +static bool sunxi_mc_smp_cpu_can_disable(unsigned int cpu)
>  {
> +	/* CPU0 hotplug not handled for sun8i-a83t */
> +	if (is_sun8i)
> +		if (cpu =3D=3D 0)
> +			return false;
>  	return true;

I think Chen-Yu told you how to implement the hotplug in the previous
iteration, did you have time to test it?

Maxime

--=20
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

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