From: Andre Przywara <andre.przywara@arm.com>
To: Rob Herring <robh@kernel.org>
Cc: Chen-Yu Tsai <wens@csie.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Samuel Holland <samuel@sholland.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] soc: sunxi: Use of_property_present() for testing DT property presence
Date: Mon, 13 Mar 2023 10:19:41 +0000 [thread overview]
Message-ID: <20230313101941.366738a9@slackpad.lan> (raw)
In-Reply-To: <20230310144724.1545223-1-robh@kernel.org>
On Fri, 10 Mar 2023 08:47:24 -0600
Rob Herring <robh@kernel.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. As
> part of this, convert of_get_property/of_find_property calls to the
> recently added of_property_present() helper when we just want to test
> for presence of a property and nothing more.
>
> Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Cheers,
Andre
> ---
> drivers/soc/sunxi/sunxi_mbus.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/soc/sunxi/sunxi_mbus.c b/drivers/soc/sunxi/sunxi_mbus.c
> index d90e4a264b6f..1734da357ca2 100644
> --- a/drivers/soc/sunxi/sunxi_mbus.c
> +++ b/drivers/soc/sunxi/sunxi_mbus.c
> @@ -82,7 +82,7 @@ static int sunxi_mbus_notifier(struct notifier_block *nb,
> * Older DTs or SoCs who are not clearly understood need to set
> * that DMA offset though.
> */
> - if (of_find_property(dev->of_node, "interconnects", NULL))
> + if (of_property_present(dev->of_node, "interconnects"))
> return NOTIFY_DONE;
>
> ret = dma_direct_set_offset(dev, PHYS_OFFSET, 0, SZ_4G);
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next prev parent reply other threads:[~2023-03-13 10:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-10 14:47 [PATCH] soc: sunxi: Use of_property_present() for testing DT property presence Rob Herring
2023-03-13 10:19 ` Andre Przywara [this message]
2023-03-14 20:00 ` Jernej Škrabec
2023-03-14 20:32 ` Jernej Škrabec
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