Hello Morimoto-san,
Thank you for the patch.
On Tue, May 28, 2024 at 11:55:37PM +0000, Kuninori Morimoto wrote:
> We already have for_each_endpoint_of_node(), don't use
> of_graph_get_next_endpoint() directly. Replace it.
>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto...@renesas.com>
> ---
> .../microchip/microchip-sama5d2-isc.c | 19 +++++++------------
> .../microchip/microchip-sama7g5-isc.c | 19 +++++++------------
> 2 files changed, 14 insertions(+), 24 deletions(-)
>
> diff --git a/drivers/media/platform/microchip/microchip-sama5d2-isc.c
> b/drivers/media/platform/microchip/microchip-sama5d2-isc.c
> index 5ac149cf3647f..d9298771f5097 100644
> --- a/drivers/media/platform/microchip/microchip-sama5d2-isc.c
> +++ b/drivers/media/platform/microchip/microchip-sama5d2-isc.c
> @@ -356,30 +356,26 @@ static int isc_parse_dt(struct device *dev, struct
> isc_device *isc)
> struct device_node *epn = NULL;
There's no need anymore to initialize epn to NULL. Same in
microchip-sama7g5-isc.c. With this addressed,
Reviewed-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
> struct isc_subdev_entity *subdev_entity;
> unsigned int flags;
> - int ret;
>
> INIT_LIST_HEAD(&isc->subdev_entities);
>
> - while (1) {
> + for_each_endpoint_of_node(np, epn) {
> struct v4l2_fwnode_endpoint v4l2_epn = { .bus_type = 0 };
> -
> - epn = of_graph_get_next_endpoint(np, epn);
> - if (!epn)
> - return 0;
> + int ret;
>
> ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(epn),
> &v4l2_epn);
> if (ret) {
> - ret = -EINVAL;
> + of_node_put(epn);
> dev_err(dev, "Could not parse the endpoint\n");
> - break;
> + return -EINVAL;
> }
>
> subdev_entity = devm_kzalloc(dev, sizeof(*subdev_entity),
> GFP_KERNEL);
> if (!subdev_entity) {
> - ret = -ENOMEM;
> - break;
> + of_node_put(epn);
> + return -ENOMEM;
> }
> subdev_entity->epn = epn;
>
> @@ -400,9 +396,8 @@ static int isc_parse_dt(struct device *dev, struct
> isc_device *isc)
>
> list_add_tail(&subdev_entity->list, &isc->subdev_entities);
> }
> - of_node_put(epn);
>
> - return ret;
> + return 0;
> }
>
> static int microchip_isc_probe(struct platform_device *pdev)
> diff --git a/drivers/media/platform/microchip/microchip-sama7g5-isc.c
> b/drivers/media/platform/microchip/microchip-sama7g5-isc.c
> index 73445f33d26ba..36204fee10aa2 100644
> --- a/drivers/media/platform/microchip/microchip-sama7g5-isc.c
> +++ b/drivers/media/platform/microchip/microchip-sama7g5-isc.c
> @@ -339,33 +339,29 @@ static int xisc_parse_dt(struct device *dev, struct
> isc_device *isc)
> struct device_node *epn = NULL;
> struct isc_subdev_entity *subdev_entity;
> unsigned int flags;
> - int ret;
> bool mipi_mode;
>
> INIT_LIST_HEAD(&isc->subdev_entities);
>
> mipi_mode = of_property_read_bool(np, "microchip,mipi-mode");
>
> - while (1) {
> + for_each_endpoint_of_node(np, epn) {
> struct v4l2_fwnode_endpoint v4l2_epn = { .bus_type = 0 };
> -
> - epn = of_graph_get_next_endpoint(np, epn);
> - if (!epn)
> - return 0;
> + int ret;
>
> ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(epn),
> &v4l2_epn);
> if (ret) {
> - ret = -EINVAL;
> + of_node_put(epn);
> dev_err(dev, "Could not parse the endpoint\n");
> - break;
> + return -EINVAL;
> }
>
> subdev_entity = devm_kzalloc(dev, sizeof(*subdev_entity),
> GFP_KERNEL);
> if (!subdev_entity) {
> - ret = -ENOMEM;
> - break;
> + of_node_put(epn);
> + return -ENOMEM;
> }
> subdev_entity->epn = epn;
>
> @@ -389,9 +385,8 @@ static int xisc_parse_dt(struct device *dev, struct
> isc_device *isc)
>
> list_add_tail(&subdev_entity->list, &isc->subdev_entities);
> }
> - of_node_put(epn);
>
> - return ret;
> + return 0;
> }
>
> static int microchip_xisc_probe(struct platform_device *pdev)
--
Regards,
Laurent Pinchart
