diff --git a/drivers/iio/adc/lp8788_adc.c b/drivers/iio/adc/lp8788_adc.c index d02704ce0091..763f57565ee4 100644 --- a/drivers/iio/adc/lp8788_adc.c +++ b/drivers/iio/adc/lp8788_adc.c @@ -187,12 +187,6 @@ static int lp8788_iio_map_register(struct iio_dev *indio_dev, return 0; } -static inline void lp8788_iio_map_unregister(struct iio_dev *indio_dev, - struct lp8788_adc *adc) -{ - iio_map_array_unregister(indio_dev, adc->map); -} - static int lp8788_adc_probe(struct platform_device *pdev) { struct lp8788 *lp = dev_get_drvdata(pdev->dev.parent); @@ -231,7 +225,7 @@ static int lp8788_adc_probe(struct platform_device *pdev) return 0; err_iio_device: - lp8788_iio_map_unregister(indio_dev, adc); + iio_map_array_unregister(indio_dev); err_iio_map: iio_device_free(indio_dev); return ret; @@ -240,10 +234,9 @@ err_iio_map: static int lp8788_adc_remove(struct platform_device *pdev) { struct iio_dev *indio_dev = platform_get_drvdata(pdev); - struct lp8788_adc *adc = iio_priv(indio_dev); iio_device_unregister(indio_dev); - lp8788_iio_map_unregister(indio_dev, adc); + iio_map_array_unregister(indio_dev); iio_device_free(indio_dev); return 0; diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c index 46732380566f..ef868c9c17be 100644 --- a/drivers/iio/adc/max1363.c +++ b/drivers/iio/adc/max1363.c @@ -1611,7 +1611,7 @@ error_disable_reg: error_put_reg: regulator_put(st->reg); error_unregister_map: - iio_map_array_unregister(indio_dev, client->dev.platform_data); + iio_map_array_unregister(indio_dev); error_free_device: iio_device_free(indio_dev); error_out: @@ -1630,7 +1630,7 @@ static int max1363_remove(struct i2c_client *client) kfree(indio_dev->available_scan_masks); regulator_disable(st->reg); regulator_put(st->reg); - iio_map_array_unregister(indio_dev, client->dev.platform_data); + iio_map_array_unregister(indio_dev); iio_device_free(indio_dev); return 0; diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c index 58d0ffe856b6..c42aba6817e8 100644 --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -54,39 +54,25 @@ error_ret: EXPORT_SYMBOL_GPL(iio_map_array_register); -/* Assumes the exact same array (e.g. memory locations) - * used at unregistration as used at registration rather than - * more complex checking of contents. +/* + * Remove all map entries associated with the given iio device */ -int iio_map_array_unregister(struct iio_dev *indio_dev, - struct iio_map *maps) +int iio_map_array_unregister(struct iio_dev *indio_dev) { - int i = 0, ret = 0; - bool found_it; + int ret = -ENODEV; struct iio_map_internal *mapi; - - if (maps == NULL) - return 0; + struct list_head *pos, *tmp; mutex_lock(&iio_map_list_lock); - while (maps[i].consumer_dev_name != NULL) { - found_it = false; - list_for_each_entry(mapi, &iio_map_list, l) - if (&maps[i] == mapi->map) { - list_del(&mapi->l); - kfree(mapi); - found_it = true; - break; - } - if (!found_it) { - ret = -ENODEV; - goto error_ret; + list_for_each_safe(pos, tmp, &iio_map_list) { + mapi = list_entry(pos, struct iio_map_internal, l); + if (indio_dev == mapi->indio_dev) { + list_del(&mapi->l); + kfree(mapi); + ret = 0; } - i++; } -error_ret: mutex_unlock(&iio_map_list_lock); - return ret; } EXPORT_SYMBOL_GPL(iio_map_array_unregister); diff --git a/include/linux/iio/driver.h b/include/linux/iio/driver.h index a4f8b2e05af5..7dfb10ee2669 100644 --- a/include/linux/iio/driver.h +++ b/include/linux/iio/driver.h @@ -22,13 +22,10 @@ int iio_map_array_register(struct iio_dev *indio_dev, struct iio_map *map); /** - * iio_map_array_unregister() - tell the core to remove consumer mappings + * iio_map_array_unregister() - tell the core to remove consumer mappings for + * the given provider device * @indio_dev: provider device - * @map: array of mappings to remove. Note these must have same memory - * addresses as those originally added not just equal parameter - * values. */ -int iio_map_array_unregister(struct iio_dev *indio_dev, - struct iio_map *map); +int iio_map_array_unregister(struct iio_dev *indio_dev); #endif