Hi Philipp,
On Wed, Feb 22, 2017 at 10:54 AM, Vivek Gautam
<vivek.gautam@xxxxxxxxxxxxxx> wrote:
> Count number of reset phandles available with the device node
> to know the resets a given device has.
>
> Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> Signed-off-by: Vivek Gautam <vivek.gautam@xxxxxxxxxxxxxx>
> ---
Any thoughts on this change?
A small addition that seems useful.
>
> Based on torvald's master branch.
>
> include/linux/reset.h | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/include/linux/reset.h b/include/linux/reset.h
> index 5daff15722d3..88f63a640153 100644
> --- a/include/linux/reset.h
> +++ b/include/linux/reset.h
> @@ -2,6 +2,7 @@
> #define _LINUX_RESET_H_
>
> #include <linux/device.h>
> +#include <linux/of.h>
>
> struct reset_control;
>
> @@ -234,6 +235,21 @@ static inline struct reset_control *of_reset_control_get_shared_by_index(
> }
>
> /**
> + * of_reset_control_get_count - Count number of resets available with a device
> + * @node: device to be reset by the controller
> + */
> +static inline unsigned int of_reset_control_get_count(struct device_node *node)
> +{
> + int count;
> +
> + count = of_count_phandle_with_args(node, "resets", "#reset-cells");
> + if (count < 0)
> + return 0;
> +
> + return count;
> +}
> +
> +/**
> * devm_reset_control_get_exclusive - resource managed
> * reset_control_get_exclusive()
> * @dev: device to be reset by the controller
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Regards
Vivek
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