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regulator: Properly register dummy regulator driver 

Recent changes in the driver core appear to mean that the data structures
for the driver core are not fully initialised unless the driver is bound.
Make sure the driver core knows the dummy driver is in use by binding it
to a driver.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2011-06-07 23:36:18 +01:00 committed by Liam Girdwood
parent 7736f11dba
commit c08957a2cf
1 changed files with 26 additions and 6 deletions
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32
drivers/regulator/dummy.c
View File

@ -36,6 +36,29 @@ static struct regulator_desc dummy_desc = {
.ops = &dummy_ops,
};
static int __devinit dummy_regulator_probe(struct platform_device *pdev)
{
int ret;
dummy_regulator_rdev = regulator_register(&dummy_desc, NULL,
&dummy_initdata, NULL);
if (IS_ERR(dummy_regulator_rdev)) {
ret = PTR_ERR(dummy_regulator_rdev);
pr_err("Failed to register regulator: %d\n", ret);
return ret;
}
return 0;
}
static struct platform_driver dummy_regulator_driver = {
.probe = dummy_regulator_probe,
.driver = {
.name = "reg-dummy",
.owner = THIS_MODULE,
},
};
static struct platform_device *dummy_pdev;
void __init regulator_dummy_init(void)
@ -55,12 +78,9 @@ void __init regulator_dummy_init(void)
return;
}
dummy_regulator_rdev = regulator_register(&dummy_desc, NULL,
&dummy_initdata, NULL);
if (IS_ERR(dummy_regulator_rdev)) {
ret = PTR_ERR(dummy_regulator_rdev);
pr_err("Failed to register regulator: %d\n", ret);
ret = platform_driver_register(&dummy_regulator_driver);
if (ret != 0) {
pr_err("Failed to register dummy regulator driver: %d\n", ret);
platform_device_unregister(dummy_pdev);
return;
}
}