On 05/03/2016 03:47 PM, Philipp Zabel wrote:
> This allows to remove the local of_graph_get_port_by_reg(),
> of_graph_get_endpoint_by_reg(), of_get_child_by_name_reg(),
> and of_graph_get_remote_port_parent() functions.
>
> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Thanks for the patch.
Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
--
Regards
Andrzej
> ---
> drivers/gpu/drm/exynos/exynos_drm_dpi.c | 69 +--------------------------------
> 1 file changed, 2 insertions(+), 67 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
> index 75e570f..5e38e74 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
> @@ -15,6 +15,7 @@
> #include <drm/drm_panel.h>
> #include <drm/drm_atomic_helper.h>
>
> +#include <linux/of_graph.h>
> #include <linux/regulator/consumer.h>
>
> #include <video/of_videomode.h>
> @@ -164,67 +165,6 @@ static const struct drm_encoder_funcs exynos_dpi_encoder_funcs = {
> .destroy = drm_encoder_cleanup,
> };
>
> -/* of_* functions will be removed after merge of of_graph patches */
> -static struct device_node *
> -of_get_child_by_name_reg(struct device_node *parent, const char *name, u32 reg)
> -{
> - struct device_node *np;
> -
> - for_each_child_of_node(parent, np) {
> - u32 r;
> -
> - if (!np->name || of_node_cmp(np->name, name))
> - continue;
> -
> - if (of_property_read_u32(np, "reg", &r) < 0)
> - r = 0;
> -
> - if (reg == r)
> - break;
> - }
> -
> - return np;
> -}
> -
> -static struct device_node *of_graph_get_port_by_reg(struct device_node *parent,
> - u32 reg)
> -{
> - struct device_node *ports, *port;
> -
> - ports = of_get_child_by_name(parent, "ports");
> - if (ports)
> - parent = ports;
> -
> - port = of_get_child_by_name_reg(parent, "port", reg);
> -
> - of_node_put(ports);
> -
> - return port;
> -}
> -
> -static struct device_node *
> -of_graph_get_endpoint_by_reg(struct device_node *port, u32 reg)
> -{
> - return of_get_child_by_name_reg(port, "endpoint", reg);
> -}
> -
> -static struct device_node *
> -of_graph_get_remote_port_parent(const struct device_node *node)
> -{
> - struct device_node *np;
> - unsigned int depth;
> -
> - np = of_parse_phandle(node, "remote-endpoint", 0);
> -
> - /* Walk 3 levels up only if there is 'ports' node. */
> - for (depth = 3; depth && np; depth--) {
> - np = of_get_next_parent(np);
> - if (depth == 2 && of_node_cmp(np->name, "ports"))
> - break;
> - }
> - return np;
> -}
> -
> enum {
> FIMD_PORT_IN0,
> FIMD_PORT_IN1,
> @@ -237,12 +177,7 @@ static struct device_node *exynos_dpi_of_find_panel_node(struct device *dev)
> {
> struct device_node *np, *ep;
>
> - np = of_graph_get_port_by_reg(dev->of_node, FIMD_PORT_RGB);
> - if (!np)
> - return NULL;
> -
> - ep = of_graph_get_endpoint_by_reg(np, 0);
> - of_node_put(np);
> + ep = of_graph_get_endpoint_by_regs(dev->of_node, FIMD_PORT_RGB, 0);
> if (!ep)
> return NULL;
>
>
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