Benoit Cousson <[email protected]> writes:
> Add two helpers function to parse a property that contains multiple
> strings.
>
> These functions might be exported and moved to a common place if they
> can to be useful elsewhere.
>
> Signed-off-by: Benoit Cousson <[email protected]>
> Cc: Kevin Hilman <[email protected]>
These should just be folded into 3/3 where they are used (with a comment
changelog of course.)
Kevin
> ---
> arch/arm/plat-omap/omap_device.c | 39
> ++++++++++++++++++++++++++++++++++++++
> 1 files changed, 39 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/plat-omap/omap_device.c
> b/arch/arm/plat-omap/omap_device.c
> index 752d72a..70361f8 100644
> --- a/arch/arm/plat-omap/omap_device.c
> +++ b/arch/arm/plat-omap/omap_device.c
> @@ -315,6 +315,45 @@ static void _add_hwmod_clocks_clkdev(struct omap_device
> *od,
> _add_clkdev(od, oh->opt_clks[i].role, oh->opt_clks[i].clk);
> }
>
> +/*
> + * XXX: DT helper functions that should probably move elsewhere if
> + * they become usefull for other needs.
> + */
> +static int _dt_count_property_string(const char *prop, int len)
> +{
> + int i = 0;
> + size_t l = 0, total = 0;
> +
> + if (!prop || !len)
> + return -EINVAL;
> +
> + for (i = 0; len >= total; total += l, prop += l) {
> + l = strlen(prop) + 1;
> + if (*prop != 0)
> + i++;
> + }
> + return i;
> +}
> +
> +static int _dt_get_property(const char *prop, int len, int index, char
> *output,
> + int size)
> +{
> + int i = 0;
> + size_t l = 0, total = 0;
> +
> + if (!prop || !len)
> + return -EINVAL;
> +
> + for (i = 0; len >= total; total += l, prop += l) {
> + l = strlcpy(output, prop, size) + 1;
> + if (*prop != 0) {
> + if (i++ == index)
> + return 0;
> + }
> + }
> + return -ENODEV;
> +}
> +
>
> /* Public functions for use by core code */
--
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