Input: cobalt buttons - separate device and driver registration
Create platform device for cobalt buttons as part of arch setup.
This makes the driver follow current driver model more closely.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Acked-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
diff --git a/arch/mips/cobalt/Makefile b/arch/mips/cobalt/Makefile
index 225ac8f..c35ee25 100644
--- a/arch/mips/cobalt/Makefile
+++ b/arch/mips/cobalt/Makefile
@@ -2,7 +2,7 @@
# Makefile for the Cobalt micro systems family specific parts of the kernel
#
-obj-y := irq.o reset.o setup.o
+obj-y := irq.o reset.o setup.o buttons.o
obj-$(CONFIG_EARLY_PRINTK) += console.o
diff --git a/arch/mips/cobalt/buttons.c b/arch/mips/cobalt/buttons.c
new file mode 100644
index 0000000..9e14398
--- /dev/null
+++ b/arch/mips/cobalt/buttons.c
@@ -0,0 +1,54 @@
+/*
+ * Cobalt buttons platform device.
+ *
+ * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/platform_device.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+
+static struct resource cobalt_buttons_resource __initdata = {
+ .start = 0x1d000000,
+ .end = 0x1d000003,
+ .flags = IORESOURCE_MEM,
+};
+
+static __init int cobalt_add_buttons(void)
+{
+ struct platform_device *pd;
+ int error;
+
+ pd = platform_device_alloc("Cobalt buttons", -1);
+ if (!pd)
+ return -ENOMEM;
+
+ error = platform_device_add_resources(pd, &cobalt_buttons_resource, 1);
+ if (error)
+ goto err_free_device;
+
+ error = platform_device_add(pd);
+ if (error)
+ goto err_free_device;
+
+ return 0;
+
+ err_free_device:
+ platform_device_put(pd);
+ return error;
+}
+device_initcall(cobalt_add_buttons);
diff --git a/drivers/input/misc/cobalt_btns.c b/drivers/input/misc/cobalt_btns.c
index b14f49e..b9b2d77 100644
--- a/drivers/input/misc/cobalt_btns.c
+++ b/drivers/input/misc/cobalt_btns.c
@@ -50,14 +50,6 @@
{ 0x80000000, KEY_SELECT, },
};
-static struct resource cobalt_buttons_resource __initdata = {
- .start = 0x1d000000,
- .end = 0x1d000003,
- .flags = IORESOURCE_MEM,
-};
-
-static struct platform_device *cobalt_buttons_device;
-
static struct timer_list buttons_timer;
static void handle_buttons(unsigned long data)
@@ -183,26 +175,12 @@
static int __init cobalt_buttons_init(void)
{
- int retval;
-
- cobalt_buttons_device = platform_device_register_simple("Cobalt buttons", -1,
- &cobalt_buttons_resource, 1);
- if (IS_ERR(cobalt_buttons_device)) {
- retval = PTR_ERR(cobalt_buttons_device);
- return retval;
- }
-
- retval = platform_driver_register(&cobalt_buttons_driver);
- if (retval < 0)
- platform_device_unregister(cobalt_buttons_device);
-
- return retval;
+ return platform_driver_register(&cobalt_buttons_driver);
}
static void __exit cobalt_buttons_exit(void)
{
platform_driver_unregister(&cobalt_buttons_driver);
- platform_device_unregister(cobalt_buttons_device);
}
module_init(cobalt_buttons_init);