linux-kernel - Re: [PATCH v1 1/1] device property: Make fwnode_graph_for_each

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Message-ID: <CAJZ5v0gdWWmAj9JMe--wUM+Z=MZLof65hbwHCGGgWknAnw61UQ@mail.gmail.com>
Date:   Wed, 18 Jan 2023 20:55:19 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Daniel Scally <djrscally@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH v1 1/1] device property: Make fwnode_graph_for_each_endpoint()
 consistent

On Tue, Jan 17, 2023 at 4:21 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> Make fwnode_graph_for_each_endpoint() consistent with the rest of
> for_each_*() definitions in the file, i.e. use the form of
>
>         for (iter = func(NULL); iter; \
>              iter = func(iter))
>
> as it's done in all the rest of the similar macro definitions.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

and I think that you need to resend it and CC Greg (who picks up
device property patches nowadays).

> ---
>  include/linux/property.h | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/include/linux/property.h b/include/linux/property.h
> index 37179e3abad5..f090419818a2 100644
> --- a/include/linux/property.h
> +++ b/include/linux/property.h
> @@ -436,9 +436,9 @@ fwnode_graph_get_endpoint_by_id(const struct fwnode_handle *fwnode,
>  unsigned int fwnode_graph_get_endpoint_count(struct fwnode_handle *fwnode,
>                                              unsigned long flags);
>
> -#define fwnode_graph_for_each_endpoint(fwnode, child)                  \
> -       for (child = NULL;                                              \
> -            (child = fwnode_graph_get_next_endpoint(fwnode, child)); )
> +#define fwnode_graph_for_each_endpoint(fwnode, child)                          \
> +       for (child = fwnode_graph_get_next_endpoint(fwnode, NULL); child;       \
> +            child = fwnode_graph_get_next_endpoint(fwnode, child))
>
>  int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode,
>                                 struct fwnode_endpoint *endpoint);
> --