Convert string compares of DT node names to use of_node_name_eq helper
instead. This removes direct access to the node name pointer.

Cc: Kyungmin Park <kyungmin.p...@samsung.com>
Cc: Sylwester Nawrocki <s.nawro...@samsung.com>
Cc: Mauro Carvalho Chehab <mche...@kernel.org>
Cc: Kukjin Kim <kg...@kernel.org>
Cc: Krzysztof Kozlowski <k...@kernel.org>
Cc: Benoit Parrot <bpar...@ti.com>
Cc: Hyun Kwon <hyun.k...@xilinx.com>
Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Cc: Michal Simek <michal.si...@xilinx.com>
Cc: linux-media@vger.kernel.org
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-samsung-...@vger.kernel.org
Signed-off-by: Rob Herring <r...@kernel.org>
---
 drivers/media/platform/exynos4-is/media-dev.c | 12 ++++++------
 drivers/media/platform/ti-vpe/cal.c           |  4 ++--
 drivers/media/platform/xilinx/xilinx-tpg.c    |  2 +-
 drivers/media/v4l2-core/v4l2-fwnode.c         |  6 ++----
 4 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/drivers/media/platform/exynos4-is/media-dev.c 
b/drivers/media/platform/exynos4-is/media-dev.c
index 870501b0f351..ced14af56606 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -445,7 +445,7 @@ static int fimc_md_parse_port_node(struct fimc_md *fmd,
         */
        np = of_get_parent(rem);
 
-       if (np && !of_node_cmp(np->name, "i2c-isp"))
+       if (of_node_name_eq(np, "i2c-isp"))
                pd->fimc_bus_type = FIMC_BUS_TYPE_ISP_WRITEBACK;
        else
                pd->fimc_bus_type = pd->sensor_bus_type;
@@ -495,7 +495,7 @@ static int fimc_md_register_sensor_entities(struct fimc_md 
*fmd)
        for_each_available_child_of_node(parent, node) {
                struct device_node *port;
 
-               if (of_node_cmp(node->name, "csis"))
+               if (!of_node_name_eq(node, "csis"))
                        continue;
                /* The csis node can have only port subnode. */
                port = of_get_next_child(node, NULL);
@@ -720,13 +720,13 @@ static int fimc_md_register_platform_entities(struct 
fimc_md *fmd,
                        continue;
 
                /* If driver of any entity isn't ready try all again later. */
-               if (!strcmp(node->name, CSIS_OF_NODE_NAME))
+               if (of_node_name_eq(node, CSIS_OF_NODE_NAME))
                        plat_entity = IDX_CSIS;
-               else if (!strcmp(node->name, FIMC_IS_OF_NODE_NAME))
+               else if (of_node_name_eq(node, FIMC_IS_OF_NODE_NAME))
                        plat_entity = IDX_IS_ISP;
-               else if (!strcmp(node->name, FIMC_LITE_OF_NODE_NAME))
+               else if (of_node_name_eq(node, FIMC_LITE_OF_NODE_NAME))
                        plat_entity = IDX_FLITE;
-               else if (!strcmp(node->name, FIMC_OF_NODE_NAME) &&
+               else if (of_node_name_eq(node, FIMC_OF_NODE_NAME) &&
                         !of_property_read_bool(node, "samsung,lcd-wb"))
                        plat_entity = IDX_FIMC;
 
diff --git a/drivers/media/platform/ti-vpe/cal.c 
b/drivers/media/platform/ti-vpe/cal.c
index 95a093f41905..fc3c212b96e1 100644
--- a/drivers/media/platform/ti-vpe/cal.c
+++ b/drivers/media/platform/ti-vpe/cal.c
@@ -1615,7 +1615,7 @@ of_get_next_port(const struct device_node *parent,
                                return NULL;
                        }
                        prev = port;
-               } while (of_node_cmp(port->name, "port") != 0);
+               } while (!of_node_name_eq(port, "port"));
        }
 
        return port;
@@ -1635,7 +1635,7 @@ of_get_next_endpoint(const struct device_node *parent,
                if (!ep)
                        return NULL;
                prev = ep;
-       } while (of_node_cmp(ep->name, "endpoint") != 0);
+       } while (!of_node_name_eq(ep, "endpoint"));
 
        return ep;
 }
diff --git a/drivers/media/platform/xilinx/xilinx-tpg.c 
b/drivers/media/platform/xilinx/xilinx-tpg.c
index 851d20dcd550..ce686b8d6cff 100644
--- a/drivers/media/platform/xilinx/xilinx-tpg.c
+++ b/drivers/media/platform/xilinx/xilinx-tpg.c
@@ -725,7 +725,7 @@ static int xtpg_parse_of(struct xtpg_device *xtpg)
                const struct xvip_video_format *format;
                struct device_node *endpoint;
 
-               if (!port->name || of_node_cmp(port->name, "port"))
+               if (!of_node_name_eq(port, "port"))
                        continue;
 
                format = xvip_of_get_format(port);
diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c 
b/drivers/media/v4l2-core/v4l2-fwnode.c
index 218f0da0ce76..849326241b17 100644
--- a/drivers/media/v4l2-core/v4l2-fwnode.c
+++ b/drivers/media/v4l2-core/v4l2-fwnode.c
@@ -564,8 +564,7 @@ int v4l2_fwnode_parse_link(struct fwnode_handle *__fwnode,
        fwnode = fwnode_get_parent(__fwnode);
        fwnode_property_read_u32(fwnode, port_prop, &link->local_port);
        fwnode = fwnode_get_next_parent(fwnode);
-       if (is_of_node(fwnode) &&
-           of_node_cmp(to_of_node(fwnode)->name, "ports") == 0)
+       if (is_of_node(fwnode) && of_node_name_eq(to_of_node(fwnode), "ports"))
                fwnode = fwnode_get_next_parent(fwnode);
        link->local_node = fwnode;
 
@@ -578,8 +577,7 @@ int v4l2_fwnode_parse_link(struct fwnode_handle *__fwnode,
        fwnode = fwnode_get_parent(fwnode);
        fwnode_property_read_u32(fwnode, port_prop, &link->remote_port);
        fwnode = fwnode_get_next_parent(fwnode);
-       if (is_of_node(fwnode) &&
-           of_node_cmp(to_of_node(fwnode)->name, "ports") == 0)
+       if (is_of_node(fwnode) && of_node_name_eq(to_of_node(fwnode), "ports"))
                fwnode = fwnode_get_next_parent(fwnode);
        link->remote_node = fwnode;
 
-- 
2.19.1

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