Re: [PATCH] soc: sunxi: Use of_property_present() for testing DT property presence

From: Jernej Škrabec
Date: Tue Mar 14 2023 - 16:00:46 EST


Dne petek, 10. marec 2023 ob 15:47:24 CET je Rob Herring napisal(a):
> 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@xxxxxxxxxx>
> ---
> drivers/soc/sunxi/sunxi_mbus.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>

Reviewed-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>

Best regards,
Jernej

> 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);