Now we can use new port related functions for port parsing. Use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto...@renesas.com>
---
 drivers/video/fbdev/omap2/omapfb/dss/dpi.c    |  3 +-
 drivers/video/fbdev/omap2/omapfb/dss/dss-of.c | 66 -------------------
 drivers/video/fbdev/omap2/omapfb/dss/dss.c    |  9 +--
 drivers/video/fbdev/omap2/omapfb/dss/sdi.c    |  3 +-
 include/video/omapfb_dss.h                    |  8 ---
 5 files changed, 9 insertions(+), 80 deletions(-)

diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dpi.c 
b/drivers/video/fbdev/omap2/omapfb/dss/dpi.c
index 7c1b7d89389a..395b1139a5ae 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/dpi.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dpi.c
@@ -20,6 +20,7 @@
 #include <linux/regulator/consumer.h>
 #include <linux/string.h>
 #include <linux/of.h>
+#include <linux/of_graph.h>
 #include <linux/clk.h>
 #include <linux/component.h>
 
@@ -845,7 +846,7 @@ int dpi_init_port(struct platform_device *pdev, struct 
device_node *port)
        if (!dpi)
                return -ENOMEM;
 
-       ep = omapdss_of_get_next_endpoint(port, NULL);
+       ep = of_graph_get_next_port_endpoint(port, NULL);
        if (!ep)
                return 0;
 
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c 
b/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c
index 4040e247e026..efb7d2e4ce85 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c
@@ -15,72 +15,6 @@
 
 #include "dss.h"
 
-struct device_node *
-omapdss_of_get_next_port(const struct device_node *parent,
-                        struct device_node *prev)
-{
-       struct device_node *port = NULL;
-
-       if (!parent)
-               return NULL;
-
-       if (!prev) {
-               struct device_node *ports;
-               /*
-                * It's the first call, we have to find a port subnode
-                * within this node or within an optional 'ports' node.
-                */
-               ports = of_get_child_by_name(parent, "ports");
-               if (ports)
-                       parent = ports;
-
-               port = of_get_child_by_name(parent, "port");
-
-               /* release the 'ports' node */
-               of_node_put(ports);
-       } else {
-               struct device_node *ports;
-
-               ports = of_get_parent(prev);
-               if (!ports)
-                       return NULL;
-
-               do {
-                       port = of_get_next_child(ports, prev);
-                       if (!port) {
-                               of_node_put(ports);
-                               return NULL;
-                       }
-                       prev = port;
-               } while (!of_node_name_eq(port, "port"));
-
-               of_node_put(ports);
-       }
-
-       return port;
-}
-EXPORT_SYMBOL_GPL(omapdss_of_get_next_port);
-
-struct device_node *
-omapdss_of_get_next_endpoint(const struct device_node *parent,
-                            struct device_node *prev)
-{
-       struct device_node *ep = NULL;
-
-       if (!parent)
-               return NULL;
-
-       do {
-               ep = of_get_next_child(parent, prev);
-               if (!ep)
-                       return NULL;
-               prev = ep;
-       } while (!of_node_name_eq(ep, "endpoint"));
-
-       return ep;
-}
-EXPORT_SYMBOL_GPL(omapdss_of_get_next_endpoint);
-
 struct device_node *dss_of_port_get_parent_device(struct device_node *port)
 {
        struct device_node *np;
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss.c 
b/drivers/video/fbdev/omap2/omapfb/dss/dss.c
index d814e4baa4b3..5cab317011ee 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/dss.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dss.c
@@ -26,6 +26,7 @@
 #include <linux/mfd/syscon.h>
 #include <linux/regmap.h>
 #include <linux/of.h>
+#include <linux/of_graph.h>
 #include <linux/regulator/consumer.h>
 #include <linux/suspend.h>
 #include <linux/component.h>
@@ -922,7 +923,7 @@ static int dss_init_ports(struct platform_device *pdev)
        if (parent == NULL)
                return 0;
 
-       port = omapdss_of_get_next_port(parent, NULL);
+       port = of_graph_get_next_port(parent, NULL);
        if (!port)
                return 0;
 
@@ -953,7 +954,7 @@ static int dss_init_ports(struct platform_device *pdev)
                        break;
                }
        } while (!ret &&
-                (port = omapdss_of_get_next_port(parent, port)) != NULL);
+                (port = of_graph_get_next_port(parent, port)) != NULL);
 
        if (ret)
                dss_uninit_ports(pdev);
@@ -969,7 +970,7 @@ static void dss_uninit_ports(struct platform_device *pdev)
        if (parent == NULL)
                return;
 
-       port = omapdss_of_get_next_port(parent, NULL);
+       port = of_graph_get_next_port(parent, NULL);
        if (!port)
                return;
 
@@ -1000,7 +1001,7 @@ static void dss_uninit_ports(struct platform_device *pdev)
                default:
                        break;
                }
-       } while ((port = omapdss_of_get_next_port(parent, port)) != NULL);
+       } while ((port = of_graph_get_next_port(parent, port)) != NULL);
 }
 
 static int dss_video_pll_probe(struct platform_device *pdev)
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/sdi.c 
b/drivers/video/fbdev/omap2/omapfb/dss/sdi.c
index d527931b2b16..22a6243d7abf 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/sdi.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/sdi.c
@@ -16,6 +16,7 @@
 #include <linux/platform_device.h>
 #include <linux/string.h>
 #include <linux/of.h>
+#include <linux/of_graph.h>
 #include <linux/component.h>
 
 #include <video/omapfb_dss.h>
@@ -405,7 +406,7 @@ int sdi_init_port(struct platform_device *pdev, struct 
device_node *port)
        u32 datapairs;
        int r;
 
-       ep = omapdss_of_get_next_endpoint(port, NULL);
+       ep = of_graph_get_next_port_endpoint(port, NULL);
        if (!ep)
                return 0;
 
diff --git a/include/video/omapfb_dss.h b/include/video/omapfb_dss.h
index a8c0c3eeeb5b..d133190e3143 100644
--- a/include/video/omapfb_dss.h
+++ b/include/video/omapfb_dss.h
@@ -811,14 +811,6 @@ static inline bool omapdss_device_is_enabled(struct 
omap_dss_device *dssdev)
        return dssdev->state == OMAP_DSS_DISPLAY_ACTIVE;
 }
 
-struct device_node *
-omapdss_of_get_next_port(const struct device_node *parent,
-                        struct device_node *prev);
-
-struct device_node *
-omapdss_of_get_next_endpoint(const struct device_node *parent,
-                            struct device_node *prev);
-
 struct omap_dss_device *
 omapdss_of_find_source_for_first_ep(struct device_node *node);
 #else
-- 
2.43.0

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