microblaze: consolidate GPIO reset handling

Now that platform.c only has the GPIO reset handling left, move the
initcall to reset.c and remove platform.c.

Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

1 files changed, 6 insertions, 5 deletions

diff --git a/arch/microblaze/kernel/reset.c b/arch/microblaze/kernel/reset.c
index bab4c8330ef4..fcbe1daf6316 100644
--- a/arch/microblaze/kernel/reset.c
+++ b/arch/microblaze/kernel/reset.c
@@ -18,7 +18,7 @@
 static int handle; /* reset pin handle */
 static unsigned int reset_val;
 
-void of_platform_reset_gpio_probe(void)
+static int of_platform_reset_gpio_probe(void)
 {
         int ret;
         handle = of_get_named_gpio(of_find_node_by_path("/"),
@@ -27,13 +27,13 @@ void of_platform_reset_gpio_probe(void)
         if (!gpio_is_valid(handle)) {
                 pr_info("Skipping unavailable RESET gpio %d (%s)\n",
                                 handle, "reset");
-                return;
+                return -ENODEV;
         }
 
         ret = gpio_request(handle, "reset");
         if (ret < 0) {
                 pr_info("GPIO pin is already allocated\n");
-                return;
+                return ret;
         }
 
         /* get current setup value */
@@ -51,11 +51,12 @@ void of_platform_reset_gpio_probe(void)
 
         pr_info("RESET: Registered gpio device: %d, current val: %d\n",
                                                         handle, reset_val);
-        return;
+        return 0;
 err:
         gpio_free(handle);
-        return;
+        return ret;
 }
+device_initcall(of_platform_reset_gpio_probe);
 
 
 static void gpio_system_reset(void)