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

From: Rob Herring
Date: Fri Mar 10 2023 - 09:48:27 EST


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/clk/clk.c | 4 ++--
drivers/clk/sprd/common.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index ae07685c7588..f7528d7f8256 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -4880,8 +4880,8 @@ static struct device_node *get_clk_provider_node(struct device *dev)
np = dev->of_node;
parent_np = dev->parent ? dev->parent->of_node : NULL;

- if (!of_find_property(np, "#clock-cells", NULL))
- if (of_find_property(parent_np, "#clock-cells", NULL))
+ if (!of_property_present(np, "#clock-cells"))
+ if (of_property_present(parent_np, "#clock-cells"))
np = parent_np;

return np;
diff --git a/drivers/clk/sprd/common.c b/drivers/clk/sprd/common.c
index ce81e4087a8f..1a3795a61f81 100644
--- a/drivers/clk/sprd/common.c
+++ b/drivers/clk/sprd/common.c
@@ -44,7 +44,7 @@ int sprd_clk_regmap_init(struct platform_device *pdev,
struct device_node *node = dev->of_node, *np;
struct regmap *regmap;

- if (of_find_property(node, "sprd,syscon", NULL)) {
+ if (of_property_present(node, "sprd,syscon")) {
regmap = syscon_regmap_lookup_by_phandle(node, "sprd,syscon");
if (IS_ERR(regmap)) {
pr_err("%s: failed to get syscon regmap\n", __func__);
--
2.39.2