Re: [PATCH 1/3] device: property: add helpers to count items in string arrays

From: Andy Shevchenko
Date: Tue Sep 08 2020 - 10:19:52 EST


On Tue, Sep 08, 2020 at 02:58:11PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
>
> Instead of doing the following:
>
> count = device_property_read_string_array(dev, propname, NULL, 0);
>
> Let's provide inline helpers with hardcoded arguments for counting
> strings in property arrays.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

Thanks!

> Suggested-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> ---
> include/linux/property.h | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/include/linux/property.h b/include/linux/property.h
> index 9f805c442819..1fa5e250a8ea 100644
> --- a/include/linux/property.h
> +++ b/include/linux/property.h
> @@ -170,6 +170,12 @@ static inline int device_property_count_u64(struct device *dev, const char *prop
> return device_property_read_u64_array(dev, propname, NULL, 0);
> }
>
> +static inline int device_property_count_strings(struct device *dev,
> + const char *propname)
> +{
> + return device_property_read_string_array(dev, propname, NULL, 0);
> +}
> +
> static inline bool fwnode_property_read_bool(const struct fwnode_handle *fwnode,
> const char *propname)
> {
> @@ -224,6 +230,13 @@ static inline int fwnode_property_count_u64(const struct fwnode_handle *fwnode,
> return fwnode_property_read_u64_array(fwnode, propname, NULL, 0);
> }
>
> +static inline int
> +fwnode_property_count_strings(const struct fwnode_handle *fwnode,
> + const char *propname)
> +{
> + return fwnode_property_read_string_array(fwnode, propname, NULL, 0);
> +}
> +
> struct software_node;
>
> /**
> --
> 2.26.1
>

--
With Best Regards,
Andy Shevchenko