linux-kernel - Re: [PATCH v2 03/11] of/fdt: add of_fdt_machine_is

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Date:   Tue, 20 Aug 2019 12:16:43 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Christoph Hellwig <hch@....de>,
        Stefan Wahren <wahrenst@....net>,
        Marc Zyngier <marc.zyngier@....com>,
        Robin Murphy <robin.murphy@....com>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>, devicetree@...r.kernel.org,
        "open list:GENERIC INCLUDE/ASM HEADER FILES" 
        <linux-arch@...r.kernel.org>,
        Linux IOMMU <iommu@...ts.linux-foundation.org>,
        linux-mm@...ck.org, linux-riscv@...ts.infradead.org,
        Frank Rowand <frowand.list@...il.com>, phill@...pberryi.org,
        Florian Fainelli <f.fainelli@...il.com>,
        Will Deacon <will@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Eric Anholt <eric@...olt.net>,
        Matthias Brugger <mbrugger@...e.com>,
        "moderated list:BROADCOM BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH v2 03/11] of/fdt: add of_fdt_machine_is_compatible function

On Tue, Aug 20, 2019 at 9:58 AM Nicolas Saenz Julienne
<nsaenzjulienne@...e.de> wrote:
>
> Provides the same functionality as of_machine_is_compatible.
>
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
> ---
>
> Changes in v2: None
>
>  drivers/of/fdt.c | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
> index 9cdf14b9aaab..06ffbd39d9af 100644
> --- a/drivers/of/fdt.c
> +++ b/drivers/of/fdt.c
> @@ -802,6 +802,13 @@ const char * __init of_flat_dt_get_machine_name(void)
>         return name;
>  }
>
> +static const int __init of_fdt_machine_is_compatible(char *name)

No point in const return (though name could possibly be const), and
the return could be bool instead.

With that,

Reviewed-by: Rob Herring <robh@...nel.org>

> +{
> +       unsigned long dt_root = of_get_flat_dt_root();
> +
> +       return of_flat_dt_is_compatible(dt_root, name);
> +}
> +
>  /**
>   * of_flat_dt_match_machine - Iterate match tables to find matching machine.
>   *
> --
> 2.22.0
>