linux-kernel - Re: [PATCH v7 08/11] ARM: sun9i: smp: Add is

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Message-ID: <20180423081423.h7b35sobagypokpe@flea>
Date:   Mon, 23 Apr 2018 10:14:23 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Mylène Josserand <mylene.josserand@...tlin.com>
Cc:     linux@...linux.org.uk, wens@...e.org, marc.zyngier@....com,
        mark.rutland@....com, robh+dt@...nel.org, horms@...ge.net.au,
        geert@...ux-m68k.org, magnus.damm@...il.com,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        clabbe.montjoie@...il.com, quentin.schulz@...tlin.com,
        thomas.petazzoni@...tlin.com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 08/11] ARM: sun9i: smp: Add is_a83t field

On Fri, Apr 20, 2018 at 11:10:19PM +0200, Mylène Josserand wrote:
> To prepare the support of sun8i-a83t, add a field in the smp_data
> structure to know if we are on sun9i-a80 or sun8i-a83t.
> 
> Add also a global variable to retrieve which architecture we are
> having.
> 
> Signed-off-by: Mylène Josserand <mylene.josserand@...tlin.com>
> ---
>  arch/arm/mach-sunxi/mc_smp.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm/mach-sunxi/mc_smp.c b/arch/arm/mach-sunxi/mc_smp.c
> index 03f021d0c73e..48e5f4db64b6 100644
> --- a/arch/arm/mach-sunxi/mc_smp.c
> +++ b/arch/arm/mach-sunxi/mc_smp.c
> @@ -74,6 +74,7 @@ static void __iomem *sram_b_smp_base;
>  
>  extern void sunxi_mc_smp_secondary_startup(void);
>  extern void sunxi_mc_smp_resume(void);
> +static int is_a83t;
>  
>  static bool sunxi_core_is_cortex_a15(unsigned int core, unsigned int cluster)
>  {
> @@ -624,6 +625,7 @@ struct sunxi_mc_smp_nodes {
>  struct sunxi_mc_smp_data {
>  	const char *enable_method;
>  	int (*get_smp_nodes)(struct sunxi_mc_smp_nodes *nodes);
> +	int is_a83t;

This can be made a boolean.

Maxime

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

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