diff options
| -rw-r--r-- | drivers/mfd/ab8500-sysctrl.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c index 80c0efa66ac1..5b0a0850ef69 100644 --- a/drivers/mfd/ab8500-sysctrl.c +++ b/drivers/mfd/ab8500-sysctrl.c @@ -101,7 +101,7 @@ int ab8500_sysctrl_read(u16 reg, u8 *value) u8 bank; if (sysctrl_dev == NULL) - return -EINVAL; + return -EPROBE_DEFER; bank = (reg >> 8); if (!valid_bank(bank)) @@ -117,11 +117,13 @@ int ab8500_sysctrl_write(u16 reg, u8 mask, u8 value) u8 bank; if (sysctrl_dev == NULL) - return -EINVAL; + return -EPROBE_DEFER; bank = (reg >> 8); - if (!valid_bank(bank)) + if (!valid_bank(bank)) { + pr_err("invalid bank\n"); return -EINVAL; + } return abx500_mask_and_set_register_interruptible(sysctrl_dev, bank, (u8)(reg & 0xFF), mask, value); @@ -148,9 +150,15 @@ static int ab8500_sysctrl_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id ab8500_sysctrl_match[] = { + { .compatible = "stericsson,ab8500-sysctrl", }, + {} +}; + static struct platform_driver ab8500_sysctrl_driver = { .driver = { .name = "ab8500-sysctrl", + .of_match_table = ab8500_sysctrl_match, }, .probe = ab8500_sysctrl_probe, .remove = ab8500_sysctrl_remove, |