diff options
Diffstat (limited to 'drivers/iio/imu/adis.c')
| -rw-r--r-- | drivers/iio/imu/adis.c | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/drivers/iio/imu/adis.c b/drivers/iio/imu/adis.c index f7fcfd04f659..bc40240b29e2 100644 --- a/drivers/iio/imu/adis.c +++ b/drivers/iio/imu/adis.c @@ -270,23 +270,19 @@ EXPORT_SYMBOL_NS(adis_debugfs_reg_access, IIO_ADISLIB); #endif /** - * adis_enable_irq() - Enable or disable data ready IRQ + * __adis_enable_irq() - Enable or disable data ready IRQ (unlocked) * @adis: The adis device * @enable: Whether to enable the IRQ * * Returns 0 on success, negative error code otherwise */ -int adis_enable_irq(struct adis *adis, bool enable) +int __adis_enable_irq(struct adis *adis, bool enable) { - int ret = 0; + int ret; u16 msc; - mutex_lock(&adis->state_lock); - - if (adis->data->enable_irq) { - ret = adis->data->enable_irq(adis, enable); - goto out_unlock; - } + if (adis->data->enable_irq) + return adis->data->enable_irq(adis, enable); if (adis->data->unmasked_drdy) { if (enable) @@ -294,12 +290,12 @@ int adis_enable_irq(struct adis *adis, bool enable) else disable_irq(adis->spi->irq); - goto out_unlock; + return 0; } ret = __adis_read_reg_16(adis, adis->data->msc_ctrl_reg, &msc); if (ret) - goto out_unlock; + return ret; msc |= ADIS_MSC_CTRL_DATA_RDY_POL_HIGH; msc &= ~ADIS_MSC_CTRL_DATA_RDY_DIO2; @@ -308,13 +304,9 @@ int adis_enable_irq(struct adis *adis, bool enable) else msc &= ~ADIS_MSC_CTRL_DATA_RDY_EN; - ret = __adis_write_reg_16(adis, adis->data->msc_ctrl_reg, msc); - -out_unlock: - mutex_unlock(&adis->state_lock); - return ret; + return __adis_write_reg_16(adis, adis->data->msc_ctrl_reg, msc); } -EXPORT_SYMBOL_NS(adis_enable_irq, IIO_ADISLIB); +EXPORT_SYMBOL_NS(__adis_enable_irq, IIO_ADISLIB); /** * __adis_check_status() - Check the device for error conditions (unlocked) @@ -445,7 +437,7 @@ int __adis_initial_startup(struct adis *adis) * with 'IRQF_NO_AUTOEN' anyways. */ if (!adis->data->unmasked_drdy) - adis_enable_irq(adis, false); + __adis_enable_irq(adis, false); if (!adis->data->prod_id_reg) return 0; |