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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-08 10:17:20 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-08 10:17:20 -0800 |
commit | e10154189f001b6428a83f58b03a27954f0f8022 (patch) | |
tree | 30b4ac5760c5d310e9cc2cbf8fc4b9c6f9d0e369 /drivers/base/platform.c | |
parent | d4bab1b091be4a91a7363118c9ede3cc9a7fefd4 (diff) | |
parent | 410c17651998944630a95fbb286a50362de2dbb0 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: (62 commits)
msi-laptop: depends on RFKILL
msi-laptop: Detect 3G device exists by standard ec command
msi-laptop: Add resume method for set the SCM load again
msi-laptop: Support some MSI 3G netbook that is need load SCM
msi-laptop: Add threeg sysfs file for support query 3G state by standard 66/62 ec command
msi-laptop: Support standard ec 66/62 command on MSI notebook and nebook
Driver core: create lock/unlock functions for struct device
sysfs: fix for thinko with sysfs_bin_attr_init()
sysfs: Kill unused sysfs_sb variable.
sysfs: Pass super_block to sysfs_get_inode
driver core: Use sysfs_rename_link in device_rename
sysfs: Implement sysfs_rename_link
sysfs: Pack sysfs_dirent more tightly.
sysfs: Serialize updates to the vfs inode
sysfs: windfarm: init sysfs attributes
sysfs: Use sysfs_attr_init and sysfs_bin_attr_init on module dynamic attributes
sysfs: Document sysfs_attr_init and sysfs_bin_attr_init
sysfs: Use sysfs_attr_init and sysfs_bin_attr_init on dynamic attributes
sysfs: Use one lockdep class per sysfs attribute.
sysfs: Only take active references on attributes.
...
Diffstat (limited to 'drivers/base/platform.c')
-rw-r--r-- | drivers/base/platform.c | 76 |
1 files changed, 67 insertions, 9 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 58efaf2f125..1ba9d617d24 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -128,7 +128,7 @@ struct platform_object { }; /** - * platform_device_put + * platform_device_put - destroy a platform device * @pdev: platform device to free * * Free all memory associated with a platform device. This function must @@ -152,7 +152,7 @@ static void platform_device_release(struct device *dev) } /** - * platform_device_alloc + * platform_device_alloc - create a platform device * @name: base name of the device we're adding * @id: instance id * @@ -177,7 +177,7 @@ struct platform_device *platform_device_alloc(const char *name, int id) EXPORT_SYMBOL_GPL(platform_device_alloc); /** - * platform_device_add_resources + * platform_device_add_resources - add resources to a platform device * @pdev: platform device allocated by platform_device_alloc to add resources to * @res: set of resources that needs to be allocated for the device * @num: number of resources @@ -202,7 +202,7 @@ int platform_device_add_resources(struct platform_device *pdev, EXPORT_SYMBOL_GPL(platform_device_add_resources); /** - * platform_device_add_data + * platform_device_add_data - add platform-specific data to a platform device * @pdev: platform device allocated by platform_device_alloc to add resources to * @data: platform specific data for this platform device * @size: size of platform specific data @@ -344,7 +344,7 @@ void platform_device_unregister(struct platform_device *pdev) EXPORT_SYMBOL_GPL(platform_device_unregister); /** - * platform_device_register_simple + * platform_device_register_simple - add a platform-level device and its resources * @name: base name of the device we're adding * @id: instance id * @res: set of resources that needs to be allocated for the device @@ -396,7 +396,7 @@ error: EXPORT_SYMBOL_GPL(platform_device_register_simple); /** - * platform_device_register_data + * platform_device_register_data - add a platform-level device with platform-specific data * @parent: parent device for the device we're adding * @name: base name of the device we're adding * @id: instance id @@ -473,7 +473,7 @@ static void platform_drv_shutdown(struct device *_dev) } /** - * platform_driver_register + * platform_driver_register - register a driver for platform-level devices * @drv: platform driver structure */ int platform_driver_register(struct platform_driver *drv) @@ -491,7 +491,7 @@ int platform_driver_register(struct platform_driver *drv) EXPORT_SYMBOL_GPL(platform_driver_register); /** - * platform_driver_unregister + * platform_driver_unregister - unregister a driver for platform-level devices * @drv: platform driver structure */ void platform_driver_unregister(struct platform_driver *drv) @@ -548,6 +548,64 @@ int __init_or_module platform_driver_probe(struct platform_driver *drv, } EXPORT_SYMBOL_GPL(platform_driver_probe); +/** + * platform_create_bundle - register driver and create corresponding device + * @driver: platform driver structure + * @probe: the driver probe routine, probably from an __init section + * @res: set of resources that needs to be allocated for the device + * @n_res: number of resources + * @data: platform specific data for this platform device + * @size: size of platform specific data + * + * Use this in legacy-style modules that probe hardware directly and + * register a single platform device and corresponding platform driver. + */ +struct platform_device * __init_or_module platform_create_bundle( + struct platform_driver *driver, + int (*probe)(struct platform_device *), + struct resource *res, unsigned int n_res, + const void *data, size_t size) +{ + struct platform_device *pdev; + int error; + + pdev = platform_device_alloc(driver->driver.name, -1); + if (!pdev) { + error = -ENOMEM; + goto err_out; + } + + if (res) { + error = platform_device_add_resources(pdev, res, n_res); + if (error) + goto err_pdev_put; + } + + if (data) { + error = platform_device_add_data(pdev, data, size); + if (error) + goto err_pdev_put; + } + + error = platform_device_add(pdev); + if (error) + goto err_pdev_put; + + error = platform_driver_probe(driver, probe); + if (error) + goto err_pdev_del; + + return pdev; + +err_pdev_del: + platform_device_del(pdev); +err_pdev_put: + platform_device_put(pdev); +err_out: + return ERR_PTR(error); +} +EXPORT_SYMBOL_GPL(platform_create_bundle); + /* modalias support enables more hands-off userspace setup: * (a) environment variable lets new-style hotplug events work once system is * fully running: "modprobe $MODALIAS" @@ -578,7 +636,7 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env) } static const struct platform_device_id *platform_match_id( - struct platform_device_id *id, + const struct platform_device_id *id, struct platform_device *pdev) { while (id->name[0]) { |