[au1000] prevent error messages on the requesting of the GPIO buttons

SVN-Revision: 17088

diff --git a/target/linux/au1000/patches-2.6.30/007-gpio_request_button.patch b/target/linux/au1000/patches-2.6.30/007-gpio_request_button.patch
new file mode 100644 (file)
index 0000000..1e09b19
--- /dev/null
+++ b/target/linux/au1000/patches-2.6.30/007-gpio_request_button.patch
@@ -0,0 +1,32 @@
+diff --git a/arch/mips/alchemy/mtx-1/platform.c b/arch/mips/alchemy/mtx-1/platform.c
+index 8b5914d..e30e42a 100644
+--- a/arch/mips/alchemy/mtx-1/platform.c
++++ b/arch/mips/alchemy/mtx-1/platform.c
+@@ -1,7 +1,7 @@
+ /*
+  * MTX-1 platform devices registration
+  *
+- * Copyright (C) 2007, Florian Fainelli <florian@openwrt.org>
++ * Copyright (C) 2007-2009, Florian Fainelli <florian@openwrt.org>
+  *
+  * This program is free software; you can redistribute it and/or modify
+  * it under the terms of the GNU General Public License as published by
+@@ -142,7 +142,17 @@ static struct __initdata platform_device * mtx1_devs[] = {
+ 
+ static int __init mtx1_register_devices(void)
+ {
+-      gpio_direction_input(207);
++      int rc;
++
++      rc = gpio_request(mtx1_gpio_button[0].gpio,
++                                      mtx1_gpio_button[0].desc);
++      if (rc < 0) {
++              printk(KERN_INFO "mtx1: failed to request %d\n",
++                                      mtx1_gpio_button[0].gpio);
++              goto out;
++      }
++      gpio_direction_input(mtx1_gpio_button[0].gpio);
++out:
+       return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs));
+ }
+