diff options
author | Tejun Heo <tj@kernel.org> | 2011-05-24 09:59:36 +0200 |
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committer | Tejun Heo <tj@kernel.org> | 2011-05-24 09:59:36 +0200 |
commit | 6988f20fe04e9ef3aea488cb8ab57fbeb78e12f0 (patch) | |
tree | c9d7fc50a2e2147a5ca07e3096e7eeb916ad2da9 /drivers/mfd/mfd-core.c | |
parent | 0415b00d175e0d8945e6785aad21b5f157976ce0 (diff) | |
parent | 6ea0c34dac89611126455537552cffe6c7e832ad (diff) |
Merge branch 'fixes-2.6.39' into for-2.6.40
Diffstat (limited to 'drivers/mfd/mfd-core.c')
-rw-r--r-- | drivers/mfd/mfd-core.c | 53 |
1 files changed, 11 insertions, 42 deletions
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index 79eda0264fb..d01574d9887 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -184,16 +184,12 @@ void mfd_remove_devices(struct device *parent) } EXPORT_SYMBOL(mfd_remove_devices); -static int add_shared_platform_device(const char *cell, const char *name) +int mfd_clone_cell(const char *cell, const char **clones, size_t n_clones) { struct mfd_cell cell_entry; struct device *dev; struct platform_device *pdev; - int err; - - /* check if we've already registered a device (don't fail if we have) */ - if (bus_find_device_by_name(&platform_bus_type, NULL, name)) - return 0; + int i; /* fetch the parent cell's device (should already be registered!) */ dev = bus_find_device_by_name(&platform_bus_type, NULL, cell); @@ -206,44 +202,17 @@ static int add_shared_platform_device(const char *cell, const char *name) WARN_ON(!cell_entry.enable); - cell_entry.name = name; - err = mfd_add_device(pdev->dev.parent, -1, &cell_entry, NULL, 0); - if (err) - dev_err(dev, "MFD add devices failed: %d\n", err); - return err; -} - -int mfd_shared_platform_driver_register(struct platform_driver *drv, - const char *cellname) -{ - int err; - - err = add_shared_platform_device(cellname, drv->driver.name); - if (err) - printk(KERN_ERR "failed to add platform device %s\n", - drv->driver.name); - - err = platform_driver_register(drv); - if (err) - printk(KERN_ERR "failed to add platform driver %s\n", - drv->driver.name); - - return err; -} -EXPORT_SYMBOL(mfd_shared_platform_driver_register); - -void mfd_shared_platform_driver_unregister(struct platform_driver *drv) -{ - struct device *dev; - - dev = bus_find_device_by_name(&platform_bus_type, NULL, - drv->driver.name); - if (dev) - platform_device_unregister(to_platform_device(dev)); + for (i = 0; i < n_clones; i++) { + cell_entry.name = clones[i]; + /* don't give up if a single call fails; just report error */ + if (mfd_add_device(pdev->dev.parent, -1, &cell_entry, NULL, 0)) + dev_err(dev, "failed to create platform device '%s'\n", + clones[i]); + } - platform_driver_unregister(drv); + return 0; } -EXPORT_SYMBOL(mfd_shared_platform_driver_unregister); +EXPORT_SYMBOL(mfd_clone_cell); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Ian Molton, Dmitry Baryshkov"); |