Re: [PATCH v3 2/6] device property: Use multi-connection matchers for single case

Andy Shevchenko
2022-03-04T12:55:41Z

On Thu, Mar 03, 2022 at 02:33:47PM -0800, Bjorn Andersson wrote:
> The newly introduced helpers for searching for matches in the case of
> multiple connections can be resused by the single-connection case, so do
> this to save some duplication.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
>
> Changes since v2:
> - None
>
> Changes since v1:
> - None
>
> drivers/base/property.c | 55 ++++-------------------------------------
> 1 file changed, 5 insertions(+), 50 deletions(-)
>
> diff --git a/drivers/base/property.c b/drivers/base/property.c
> index 5cda205136f6..81156dc97ad7 100644
> --- a/drivers/base/property.c
> +++ b/drivers/base/property.c
> @@ -1193,31 +1193,6 @@ const void *device_get_match_data(struct device *dev)
> }
> EXPORT_SYMBOL_GPL(device_get_match_data);
>
> -static void *
> -fwnode_graph_devcon_match(struct fwnode_handle *fwnode, const char *con_id,
> - void *data, devcon_match_fn_t match)
> -{
> - struct fwnode_handle *node;
> - struct fwnode_handle *ep;
> - void *ret;
> -
> - fwnode_graph_for_each_endpoint(fwnode, ep) {
> - node = fwnode_graph_get_remote_port_parent(ep);
> - if (!fwnode_device_is_available(node)) {
> - fwnode_handle_put(node);
> - continue;
> - }
> -
> - ret = match(node, con_id, data);
> - fwnode_handle_put(node);
> - if (ret) {
> - fwnode_handle_put(ep);
> - return ret;
> - }
> - }
> - return NULL;
> -}
> -
> static unsigned int fwnode_graph_devcon_matches(struct fwnode_handle *fwnode,
> const char *con_id, void *data,
> devcon_match_fn_t match,
> @@ -1252,28 +1227,6 @@ static unsigned int fwnode_graph_devcon_matches(struct fwnode_handle *fwnode,
> return count;
> }
>
> -static void *
> -fwnode_devcon_match(struct fwnode_handle *fwnode, const char *con_id,
> - void *data, devcon_match_fn_t match)
> -{
> - struct fwnode_handle *node;
> - void *ret;
> - int i;
> -
> - for (i = 0; ; i++) {
> - node = fwnode_find_reference(fwnode, con_id, i);
> - if (IS_ERR(node))
> - break;
> -
> - ret = match(node, NULL, data);
> - fwnode_handle_put(node);
> - if (ret)
> - return ret;
> - }
> -
> - return NULL;
> -}
> -
> static unsigned int fwnode_devcon_matches(struct fwnode_handle *fwnode,
> const char *con_id, void *data,
> devcon_match_fn_t match,
> @@ -1320,16 +1273,18 @@ void *fwnode_connection_find_match(struct fwnode_handle *fwnode,
> const char *con_id, void *data,
> devcon_match_fn_t match)
> {
> + unsigned int count;
> void *ret;
>
> if (!fwnode || !match)
> return NULL;
>
> - ret = fwnode_graph_devcon_match(fwnode, con_id, data, match);
> - if (ret)
> + count = fwnode_graph_devcon_matches(fwnode, con_id, data, match, &ret, 1);
> + if (count)
> return ret;
>
> - return fwnode_devcon_match(fwnode, con_id, data, match);
> + count = fwnode_devcon_matches(fwnode, con_id, data, match, &ret, 1);
> + return count ? ret : NULL;
> }
> EXPORT_SYMBOL_GPL(fwnode_connection_find_match);
>
> --
> 2.33.1
>

--
With Best Regards,
Andy Shevchenko