linux-kernel - Re: [PATCH] irqchip: Use of_property_read

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Message-ID: <CAJF2gTRmf6C0fZs6L4VoRtNivu9dm_6Nibej-oOhZ=69FzLhrA@mail.gmail.com>
Date:   Sun, 12 Mar 2023 20:42:09 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-csky@...r.kernel.org
Subject: Re: [PATCH] irqchip: Use of_property_read_bool() for boolean properties

Acked-by: Guo Ren <guoren@...nel.org> (csky)

On Fri, Mar 10, 2023 at 10:48 PM Rob Herring <robh@...nel.org> wrote:
>
> It is preferred to use typed property access functions (i.e.
> of_property_read_<type> functions) rather than low-level
> of_get_property/of_find_property functions for reading properties.
> Convert reading boolean properties to to of_property_read_bool().
>
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
>  drivers/irqchip/irq-csky-apb-intc.c | 2 +-
>  drivers/irqchip/irq-gic-v2m.c       | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/irqchip/irq-csky-apb-intc.c b/drivers/irqchip/irq-csky-apb-intc.c
> index 42d8a2438ebc..6710691e4c25 100644
> --- a/drivers/irqchip/irq-csky-apb-intc.c
> +++ b/drivers/irqchip/irq-csky-apb-intc.c
> @@ -68,7 +68,7 @@ static void __init ck_set_gc(struct device_node *node, void __iomem *reg_base,
>         gc->chip_types[0].chip.irq_mask = irq_gc_mask_clr_bit;
>         gc->chip_types[0].chip.irq_unmask = irq_gc_mask_set_bit;
>
> -       if (of_find_property(node, "csky,support-pulse-signal", NULL))
> +       if (of_property_read_bool(node, "csky,support-pulse-signal"))
>                 gc->chip_types[0].chip.irq_unmask = irq_ck_mask_set_bit;
>  }
>
> diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c
> index f1e75b35a52a..f2ff4387870d 100644
> --- a/drivers/irqchip/irq-gic-v2m.c
> +++ b/drivers/irqchip/irq-gic-v2m.c
> @@ -421,7 +421,7 @@ static int __init gicv2m_of_init(struct fwnode_handle *parent_handle,
>                 u32 spi_start = 0, nr_spis = 0;
>                 struct resource res;
>
> -               if (!of_find_property(child, "msi-controller", NULL))
> +               if (!of_property_read_bool(child, "msi-controller"))
>                         continue;
>
>                 ret = of_address_to_resource(child, 0, &res);
> --
> 2.39.2
>


-- 
Best Regards
 Guo Ren