From 671adbec210efc15cef81b4616adae8bcd667296 Mon Sep 17 00:00:00 2001 From: Kristen Carlson Accardi Date: Mon, 4 Dec 2006 14:49:43 -0800 Subject: ACPI: dock: Make the dock station driver a platform device driver. Make the dock station driver a platform device driver so that we can create sysfs entries under /sys/device/platform. Signed-off-by: Kristen Carlson Accardi Signed-off-by: Len Brown --- drivers/acpi/dock.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index bf5b79ed3613..336d94cdf2a0 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include #include @@ -39,6 +40,8 @@ MODULE_DESCRIPTION(ACPI_DOCK_DRIVER_NAME); MODULE_LICENSE("GPL"); static struct atomic_notifier_head dock_notifier_list; +static struct platform_device dock_device; +static char dock_device_name[] = "dock"; struct dock_station { acpi_handle handle; @@ -629,6 +632,15 @@ static int dock_add(acpi_handle handle) spin_lock_init(&dock_station->hp_lock); ATOMIC_INIT_NOTIFIER_HEAD(&dock_notifier_list); + /* initialize platform device stuff */ + dock_device.name = dock_device_name; + ret = platform_device_register(&dock_device); + if (ret) { + printk(KERN_ERR PREFIX "Error registering dock device\n", ret); + kfree(dock_station); + return ret; + } + /* Find dependent devices */ acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, find_dock_devices, dock_station, @@ -638,7 +650,8 @@ static int dock_add(acpi_handle handle) dd = alloc_dock_dependent_device(handle); if (!dd) { kfree(dock_station); - return -ENOMEM; + ret = -ENOMEM; + goto dock_add_err_unregister; } add_dock_dependent_device(dock_station, dd); @@ -658,8 +671,10 @@ static int dock_add(acpi_handle handle) return 0; dock_add_err: - kfree(dock_station); kfree(dd); +dock_add_err_unregister: + platform_device_unregister(&dock_device); + kfree(dock_station); return ret; } @@ -686,6 +701,9 @@ static int dock_remove(void) if (ACPI_FAILURE(status)) printk(KERN_ERR "Error removing notify handler\n"); + /* cleanup sysfs */ + platform_device_unregister(&dock_device); + /* free dock station memory */ kfree(dock_station); return 0; -- cgit v1.2.3