On Tue, 2017-04-18 at 16:51 +0530, Vivek Gautam wrote:
> Count number of reset phandles available with the device node
> to know the resets a given device has.
>
> Cc: Philipp Zabel <p.za...@pengutronix.de>
> Signed-off-by: Vivek Gautam <vivek.gau...@codeaurora.org>
> ---
> drivers/reset/core.c | 23 +++++++++++++++++++++++
> include/linux/reset.h | 6 ++++++
> 2 files changed, 29 insertions(+)
>
> diff --git a/drivers/reset/core.c b/drivers/reset/core.c
> index cd739d2fa160..f0a06a7aca93 100644
> --- a/drivers/reset/core.c
> +++ b/drivers/reset/core.c
> @@ -465,3 +465,26 @@ int device_reset(struct device *dev)
> return ret;
> }
> EXPORT_SYMBOL_GPL(device_reset);
> +
> +/**
> + * of_reset_control_get_count - Count number of resets available with a
> device
> + *
> + * @node: device node that contains 'resets'.
> + *
> + * Returns positive reset count on success, or error number on failure and
> + * on count being zero.
> + */
> +int of_reset_control_get_count(struct device_node *node)
> +{
> + int count;
> +
> + if (!node)
> + return -EINVAL;
> +
> + count = of_count_phandle_with_args(node, "resets", "#reset-cells");
> + if (count == 0)
> + count = -ENOENT;
> +
> + return count;
> +}
> +EXPORT_SYMBOL_GPL(of_reset_control_get_count);
This doesn't need to be public anymore. You can make it static and merge
it into the second patch.
regards
Philipp
