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Date: Thu, 10 May 2007 03:44:12 -0400
From: Len Brown <lenb@...nel.org>
To: Kristen Carlson Accardi <kristen.c.accardi@...el.com>
Cc: linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ACPI: dock: use dynamically allocated platform device
This batch of 7 patches is applied to acpi-test.
thanks,
-Len
On Wednesday 09 May 2007 18:07, Kristen Carlson Accardi wrote:
> ACPI: dock: use dynamically allocated platform device
>
> Get rid of no release function warnings by switching to dynamically
> allocating the platform_device and using the platform device release
> routine in the base driver.
>
> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@...el.com>
> Index: 2.6-git/drivers/acpi/dock.c
> ===================================================================
> --- 2.6-git.orig/drivers/acpi/dock.c
> +++ 2.6-git/drivers/acpi/dock.c
> @@ -41,7 +41,7 @@ MODULE_DESCRIPTION(ACPI_DOCK_DRIVER_DESC
> MODULE_LICENSE("GPL");
>
> static struct atomic_notifier_head dock_notifier_list;
> -static struct platform_device dock_device;
> +static struct platform_device *dock_device;
> static char dock_device_name[] = "dock";
>
> struct dock_station {
> @@ -327,7 +327,7 @@ static void hotplug_dock_devices(struct
>
> static void dock_event(struct dock_station *ds, u32 event, int num)
> {
> - struct device *dev = &dock_device.dev;
> + struct device *dev = &dock_device->dev;
> /*
> * Indicate that the status of the dock station has
> * changed.
> @@ -710,37 +710,36 @@ static int dock_add(acpi_handle handle)
> 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 %d registering dock device\n", ret);
> + dock_device =
> + platform_device_register_simple(dock_device_name, 0, NULL, 0);
> + if (IS_ERR(dock_device)) {
> kfree(dock_station);
> dock_station = NULL;
> - return ret;
> + return PTR_ERR(dock_device);
> }
> - ret = device_create_file(&dock_device.dev, &dev_attr_docked);
> + ret = device_create_file(&dock_device->dev, &dev_attr_docked);
> if (ret) {
> printk("Error %d adding sysfs file\n", ret);
> - platform_device_unregister(&dock_device);
> + platform_device_unregister(dock_device);
> kfree(dock_station);
> dock_station = NULL;
> return ret;
> }
> - ret = device_create_file(&dock_device.dev, &dev_attr_undock);
> + ret = device_create_file(&dock_device->dev, &dev_attr_undock);
> if (ret) {
> printk("Error %d adding sysfs file\n", ret);
> - device_remove_file(&dock_device.dev, &dev_attr_docked);
> - platform_device_unregister(&dock_device);
> + device_remove_file(&dock_device->dev, &dev_attr_docked);
> + platform_device_unregister(dock_device);
> kfree(dock_station);
> dock_station = NULL;
> return ret;
> }
> - ret = device_create_file(&dock_device.dev, &dev_attr_uid);
> + ret = device_create_file(&dock_device->dev, &dev_attr_uid);
> if (ret) {
> printk("Error %d adding sysfs file\n", ret);
> - device_remove_file(&dock_device.dev, &dev_attr_docked);
> - device_remove_file(&dock_device.dev, &dev_attr_undock);
> - platform_device_unregister(&dock_device);
> + device_remove_file(&dock_device->dev, &dev_attr_docked);
> + device_remove_file(&dock_device->dev, &dev_attr_undock);
> + platform_device_unregister(dock_device);
> kfree(dock_station);
> dock_station = NULL;
> return ret;
> @@ -779,10 +778,10 @@ static int dock_add(acpi_handle handle)
> dock_add_err:
> kfree(dd);
> dock_add_err_unregister:
> - device_remove_file(&dock_device.dev, &dev_attr_docked);
> - device_remove_file(&dock_device.dev, &dev_attr_undock);
> - device_remove_file(&dock_device.dev, &dev_attr_uid);
> - platform_device_unregister(&dock_device);
> + device_remove_file(&dock_device->dev, &dev_attr_docked);
> + device_remove_file(&dock_device->dev, &dev_attr_undock);
> + device_remove_file(&dock_device->dev, &dev_attr_uid);
> + platform_device_unregister(dock_device);
> kfree(dock_station);
> dock_station = NULL;
> return ret;
> @@ -812,10 +811,10 @@ static int dock_remove(void)
> printk(KERN_ERR "Error removing notify handler\n");
>
> /* cleanup sysfs */
> - device_remove_file(&dock_device.dev, &dev_attr_docked);
> - device_remove_file(&dock_device.dev, &dev_attr_undock);
> - device_remove_file(&dock_device.dev, &dev_attr_uid);
> - platform_device_unregister(&dock_device);
> + device_remove_file(&dock_device->dev, &dev_attr_docked);
> + device_remove_file(&dock_device->dev, &dev_attr_undock);
> + device_remove_file(&dock_device->dev, &dev_attr_uid);
> + platform_device_unregister(dock_device);
>
> /* free dock station memory */
> kfree(dock_station);
>
>
-
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