[PATCH] Input: i8042 - Rework DT node name comparisons

[Rob Herring]

Signed-off-by: Rob Herring <r...@kernel.org>
---
 drivers/input/serio/i8042-sparcio.h | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/input/serio/i8042-sparcio.h 
b/drivers/input/serio/i8042-sparcio.h
index 796289846204..fce76812843b 100644
--- a/drivers/input/serio/i8042-sparcio.h
+++ b/drivers/input/serio/i8042-sparcio.h
@@ -53,12 +53,11 @@ static struct resource *kbd_res;
 
 static int sparc_i8042_probe(struct platform_device *op)
 {
-       struct device_node *dp = op->dev.of_node;
+       struct device_node *dp;
 
-       dp = dp->child;
-       while (dp) {
-               if (!strcmp(dp->name, OBP_PS2KBD_NAME1) ||
-                   !strcmp(dp->name, OBP_PS2KBD_NAME2)) {
+       for_each_child_of_node(op->dev.of_node, dp) {
+               if (of_node_name_eq(dp, OBP_PS2KBD_NAME1) ||
+                   of_node_name_eq(dp, OBP_PS2KBD_NAME2)) {
                        struct platform_device *kbd = 
of_find_device_by_node(dp);
                        unsigned int irq = kbd->archdata.irqs[0];
                        if (irq == 0xffffffff)
@@ -67,16 +66,14 @@ static int sparc_i8042_probe(struct platform_device *op)
                        kbd_iobase = of_ioremap(&kbd->resource[0],
                                                0, 8, "kbd");
                        kbd_res = &kbd->resource[0];
-               } else if (!strcmp(dp->name, OBP_PS2MS_NAME1) ||
-                          !strcmp(dp->name, OBP_PS2MS_NAME2)) {
+               } else if (of_node_name_eq(dp, OBP_PS2MS_NAME1) ||
+                          of_node_name_eq(dp, OBP_PS2MS_NAME2)) {
                        struct platform_device *ms = of_find_device_by_node(dp);
                        unsigned int irq = ms->archdata.irqs[0];
                        if (irq == 0xffffffff)
                                irq = op->archdata.irqs[0];
                        i8042_aux_irq = irq;
                }
-
-               dp = dp->sibling;
        }
 
        return 0;
@@ -109,8 +106,9 @@ static struct platform_driver sparc_i8042_driver = {
 static int __init i8042_platform_init(void)
 {
        struct device_node *root = of_find_node_by_path("/");
+       const char *name = of_get_property(root, "name", NULL);
 
-       if (!strcmp(root->name, "SUNW,JavaStation-1")) {
+       if (name && !strcmp(name, "SUNW,JavaStation-1")) {
                /* Hardcoded values for MrCoffee.  */
                i8042_kbd_irq = i8042_aux_irq = 13 | 0x20;
                kbd_iobase = ioremap(0x71300060, 8);
@@ -139,8 +137,9 @@ static int __init i8042_platform_init(void)
 static inline void i8042_platform_exit(void)
 {
        struct device_node *root = of_find_node_by_path("/");
+       const char *name = of_get_property(root, "name", NULL);
 
-       if (strcmp(root->name, "SUNW,JavaStation-1"))
+       if (!name || strcmp(name, "SUNW,JavaStation-1"))
                platform_driver_unregister(&sparc_i8042_driver);
 }
 
-- 
2.19.1