2019-08-08 14:29:31

by Anders Roxell

Subject: [PATCH] of/platform: fix compilation warning of of_link_property()

GCC warns that a negative integer can be returned but the
of_link_property() function should return a boolean.

../drivers/of/platform.c: In function ‘of_link_property’:
../drivers/of/platform.c:650:18: warning: ?: using integer constants in boolean context [-Wint-in-bool-context]
return done ? 0 : -ENODEV;

Rework so function of_link_property() return an integer instead of a boolean.

Fixes: 690ff7881b26 ("of/platform: Add functional dependency link from DT bindings")
Signed-off-by: Anders Roxell <[email protected]>
---
drivers/of/platform.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 21838226d68a..86fb8ab8c012 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -625,7 +625,7 @@ static const struct supplier_bindings bindings[] = {
{ },
};

-static bool of_link_property(struct device *dev, struct device_node *con_np,
+static int of_link_property(struct device *dev, struct device_node *con_np,
const char *prop)
{
struct device_node *phandle;
--
2.20.1

2019-08-08 16:12:44

by Frank Rowand

Subject: Re: [PATCH] of/platform: fix compilation warning of of_link_property()

On 8/8/19 7:18 AM, Anders Roxell wrote:
> GCC warns that a negative integer can be returned but the
> of_link_property() function should return a boolean.
>
> ../drivers/of/platform.c: In function ‘of_link_property’:
> ../drivers/of/platform.c:650:18: warning: ?: using integer constants in boolean context [-Wint-in-bool-context]
> return done ? 0 : -ENODEV;
>
> Rework so function of_link_property() return an integer instead of a boolean.
>
> Fixes: 690ff7881b26 ("of/platform: Add functional dependency link from DT bindings")
> Signed-off-by: Anders Roxell <[email protected]>
> ---
> drivers/of/platform.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/of/platform.c b/drivers/of/platform.c
> index 21838226d68a..86fb8ab8c012 100644
> --- a/drivers/of/platform.c
> +++ b/drivers/of/platform.c
> @@ -625,7 +625,7 @@ static const struct supplier_bindings bindings[] = {
> { },
> };
>
> -static bool of_link_property(struct device *dev, struct device_node *con_np,
> +static int of_link_property(struct device *dev, struct device_node *con_np,
> const char *prop)
> {
> struct device_node *phandle;
>

Hi Anders,

Thanks for catching this.

Another patch was submitted to fix this just before your patch.

-Frank