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

From: Jernej Škrabec
Date: Tue Mar 14 2023 - 16:03:53 EST


Dne petek, 10. marec 2023 ob 15:47:20 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/phy/allwinner/phy-sun4i-usb.c | 2 +-

for sun4i:
Reviewed-by: Jernej Skrabec <jernej.skrabec@xxxxxxxxx>

Best regards,
Jernej

> drivers/phy/broadcom/phy-bcm-ns-usb2.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c
> b/drivers/phy/allwinner/phy-sun4i-usb.c index fbcd7014ab43..fc9f6fb447a0
> 100644
> --- a/drivers/phy/allwinner/phy-sun4i-usb.c
> +++ b/drivers/phy/allwinner/phy-sun4i-usb.c
> @@ -758,7 +758,7 @@ static int sun4i_usb_phy_probe(struct platform_device
> *pdev) return PTR_ERR(data->vbus_det_gpio);
> }
>
> - if (of_find_property(np, "usb0_vbus_power-supply", NULL)) {
> + if (of_property_present(np, "usb0_vbus_power-supply")) {
> data->vbus_power_supply =
devm_power_supply_get_by_phandle(dev,
>
"usb0_vbus_power-supply");
> if (IS_ERR(data->vbus_power_supply)) {
> diff --git a/drivers/phy/broadcom/phy-bcm-ns-usb2.c
> b/drivers/phy/broadcom/phy-bcm-ns-usb2.c index 6a36e187d100..269564bdf687
> 100644
> --- a/drivers/phy/broadcom/phy-bcm-ns-usb2.c
> +++ b/drivers/phy/broadcom/phy-bcm-ns-usb2.c
> @@ -107,7 +107,7 @@ static int bcm_ns_usb2_probe(struct platform_device
> *pdev) return -ENOMEM;
> usb2->dev = dev;
>
> - if (of_find_property(dev->of_node, "brcm,syscon-clkset", NULL)) {
> + if (of_property_present(dev->of_node, "brcm,syscon-clkset")) {
> usb2->base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(usb2->base)) {
> dev_err(dev, "Failed to map control reg\n");