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| author | Linus Walleij <linus.walleij@stericsson.com> | 2009-10-28 17:30:15 +0100 |
|---|---|---|
| committer | Liam Girdwood <lrg@slimlogic.co.uk> | 2009-12-17 10:27:25 +0000 |
| commit | 176f45b9c9b7e451ac46becb92110f5e2de02d8c (patch) | |
| tree | d4bfcaff1d2931091fe82b5a2d911544f9693fea /drivers | |
| parent | 495353a3f7fbb11e5100c9258365ff65a4834b37 (diff) | |
| download | linux-stable-176f45b9c9b7e451ac46becb92110f5e2de02d8c.tar.gz linux-stable-176f45b9c9b7e451ac46becb92110f5e2de02d8c.tar.bz2 linux-stable-176f45b9c9b7e451ac46becb92110f5e2de02d8c.zip | |
Fix some AB3100 regulator issues
This patch will remove surplus register writes on shut down of
LDO D (this magic was not needed), remove an unnecessary (!) error
check and really unregister the regulators when the module is
unloaded.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/regulator/ab3100.c | 23 |
1 files changed, 2 insertions, 21 deletions
diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c index 5da127bbe1f2..b349db4504b7 100644 --- a/drivers/regulator/ab3100.c +++ b/drivers/regulator/ab3100.c @@ -241,24 +241,12 @@ static int ab3100_disable_regulator(struct regulator_dev *reg) * LDO D is a special regulator. When it is disabled, the entire * system is shut down. So this is handled specially. */ + pr_info("Called ab3100_disable_regulator\n"); if (abreg->regreg == AB3100_LDO_D) { - int i; - dev_info(®->dev, "disabling LDO D - shut down system\n"); - /* - * Set regulators to default values, ignore any errors, - * we're going DOWN - */ - for (i = 0; i < ARRAY_SIZE(ab3100_reg_init_order); i++) { - (void) ab3100_set_register_interruptible(abreg->ab3100, - ab3100_reg_init_order[i], - abreg->plfdata->reg_initvals[i]); - } - /* Setting LDO D to 0x00 cuts the power to the SoC */ return ab3100_set_register_interruptible(abreg->ab3100, AB3100_LDO_D, 0x00U); - } /* @@ -607,13 +595,6 @@ static int __init ab3100_regulators_probe(struct platform_device *pdev) } } - if (err) { - dev_err(&pdev->dev, - "LDO D regulator initialization failed with error %d\n", - err); - return err; - } - /* Register the regulators */ for (i = 0; i < AB3100_NUM_REGULATORS; i++) { struct ab3100_regulator *reg = &ab3100_regulators[i]; @@ -688,7 +669,7 @@ static __init int ab3100_regulators_init(void) static __exit void ab3100_regulators_exit(void) { - platform_driver_register(&ab3100_regulators_driver); + platform_driver_unregister(&ab3100_regulators_driver); } subsys_initcall(ab3100_regulators_init); |