Re: [PATCH v2] iio: light: si1145: Use device-managed APIs

2019-08-05 Thread Jonathan Cameron
On Mon, 29 Jul 2019 09:43:01 +0800
Chuhong Yuan  wrote:

> Use device-managed APIs to simplify the code.
> The remove functions are redundant now and can
> be deleted.
> 
> Signed-off-by: Chuhong Yuan 

Nice little patch, thanks!

Applied to the togreg branch of iio.git and pushed out as testing for
the autobuilders to play with it.

Thanks,

Jonathan

> ---
> Changes in v2:
>   - Split v1 into two patches.
>   - Use devm_iio_trigger_register in probe_trigger,
> delete redundant remove_trigger.
>   - Return devm_iio_device_register directly as a
> minor optimization.
> 
>  drivers/iio/light/si1145.c | 42 +-
>  1 file changed, 5 insertions(+), 37 deletions(-)
> 
> diff --git a/drivers/iio/light/si1145.c b/drivers/iio/light/si1145.c
> index 6579d2418814..982bba0c54e7 100644
> --- a/drivers/iio/light/si1145.c
> +++ b/drivers/iio/light/si1145.c
> @@ -1261,7 +1261,7 @@ static int si1145_probe_trigger(struct iio_dev 
> *indio_dev)
>   return ret;
>   }
>  
> - ret = iio_trigger_register(trig);
> + ret = devm_iio_trigger_register(>dev, trig);
>   if (ret)
>   return ret;
>  
> @@ -1271,16 +1271,6 @@ static int si1145_probe_trigger(struct iio_dev 
> *indio_dev)
>   return 0;
>  }
>  
> -static void si1145_remove_trigger(struct iio_dev *indio_dev)
> -{
> - struct si1145_data *data = iio_priv(indio_dev);
> -
> - if (data->trig) {
> - iio_trigger_unregister(data->trig);
> - data->trig = NULL;
> - }
> -}
> -
>  static int si1145_probe(struct i2c_client *client,
>   const struct i2c_device_id *id)
>  {
> @@ -1332,7 +1322,8 @@ static int si1145_probe(struct i2c_client *client,
>   if (ret < 0)
>   return ret;
>  
> - ret = iio_triggered_buffer_setup(indio_dev, NULL,
> + ret = devm_iio_triggered_buffer_setup(>dev,
> + indio_dev, NULL,
>   si1145_trigger_handler, _buffer_setup_ops);
>   if (ret < 0)
>   return ret;
> @@ -1340,23 +1331,12 @@ static int si1145_probe(struct i2c_client *client,
>   if (client->irq) {
>   ret = si1145_probe_trigger(indio_dev);
>   if (ret < 0)
> - goto error_free_buffer;
> + return ret;
>   } else {
>   dev_info(>dev, "no irq, using polling\n");
>   }
>  
> - ret = iio_device_register(indio_dev);
> - if (ret < 0)
> - goto error_free_trigger;
> -
> - return 0;
> -
> -error_free_trigger:
> - si1145_remove_trigger(indio_dev);
> -error_free_buffer:
> - iio_triggered_buffer_cleanup(indio_dev);
> -
> - return ret;
> + return devm_iio_device_register(>dev, indio_dev);
>  }
>  
>  static const struct i2c_device_id si1145_ids[] = {
> @@ -1371,23 +1351,11 @@ static const struct i2c_device_id si1145_ids[] = {
>  };
>  MODULE_DEVICE_TABLE(i2c, si1145_ids);
>  
> -static int si1145_remove(struct i2c_client *client)
> -{
> - struct iio_dev *indio_dev = i2c_get_clientdata(client);
> -
> - iio_device_unregister(indio_dev);
> - si1145_remove_trigger(indio_dev);
> - iio_triggered_buffer_cleanup(indio_dev);
> -
> - return 0;
> -}
> -
>  static struct i2c_driver si1145_driver = {
>   .driver = {
>   .name   = "si1145",
>   },
>   .probe  = si1145_probe,
> - .remove = si1145_remove,
>   .id_table = si1145_ids,
>  };
>  



[PATCH v2] iio: light: si1145: Use device-managed APIs

2019-07-28 Thread Chuhong Yuan
Use device-managed APIs to simplify the code.
The remove functions are redundant now and can
be deleted.

Signed-off-by: Chuhong Yuan 
---
Changes in v2:
  - Split v1 into two patches.
  - Use devm_iio_trigger_register in probe_trigger,
delete redundant remove_trigger.
  - Return devm_iio_device_register directly as a
minor optimization.

 drivers/iio/light/si1145.c | 42 +-
 1 file changed, 5 insertions(+), 37 deletions(-)

diff --git a/drivers/iio/light/si1145.c b/drivers/iio/light/si1145.c
index 6579d2418814..982bba0c54e7 100644
--- a/drivers/iio/light/si1145.c
+++ b/drivers/iio/light/si1145.c
@@ -1261,7 +1261,7 @@ static int si1145_probe_trigger(struct iio_dev *indio_dev)
return ret;
}
 
-   ret = iio_trigger_register(trig);
+   ret = devm_iio_trigger_register(>dev, trig);
if (ret)
return ret;
 
@@ -1271,16 +1271,6 @@ static int si1145_probe_trigger(struct iio_dev 
*indio_dev)
return 0;
 }
 
-static void si1145_remove_trigger(struct iio_dev *indio_dev)
-{
-   struct si1145_data *data = iio_priv(indio_dev);
-
-   if (data->trig) {
-   iio_trigger_unregister(data->trig);
-   data->trig = NULL;
-   }
-}
-
 static int si1145_probe(struct i2c_client *client,
const struct i2c_device_id *id)
 {
@@ -1332,7 +1322,8 @@ static int si1145_probe(struct i2c_client *client,
if (ret < 0)
return ret;
 
-   ret = iio_triggered_buffer_setup(indio_dev, NULL,
+   ret = devm_iio_triggered_buffer_setup(>dev,
+   indio_dev, NULL,
si1145_trigger_handler, _buffer_setup_ops);
if (ret < 0)
return ret;
@@ -1340,23 +1331,12 @@ static int si1145_probe(struct i2c_client *client,
if (client->irq) {
ret = si1145_probe_trigger(indio_dev);
if (ret < 0)
-   goto error_free_buffer;
+   return ret;
} else {
dev_info(>dev, "no irq, using polling\n");
}
 
-   ret = iio_device_register(indio_dev);
-   if (ret < 0)
-   goto error_free_trigger;
-
-   return 0;
-
-error_free_trigger:
-   si1145_remove_trigger(indio_dev);
-error_free_buffer:
-   iio_triggered_buffer_cleanup(indio_dev);
-
-   return ret;
+   return devm_iio_device_register(>dev, indio_dev);
 }
 
 static const struct i2c_device_id si1145_ids[] = {
@@ -1371,23 +1351,11 @@ static const struct i2c_device_id si1145_ids[] = {
 };
 MODULE_DEVICE_TABLE(i2c, si1145_ids);
 
-static int si1145_remove(struct i2c_client *client)
-{
-   struct iio_dev *indio_dev = i2c_get_clientdata(client);
-
-   iio_device_unregister(indio_dev);
-   si1145_remove_trigger(indio_dev);
-   iio_triggered_buffer_cleanup(indio_dev);
-
-   return 0;
-}
-
 static struct i2c_driver si1145_driver = {
.driver = {
.name   = "si1145",
},
.probe  = si1145_probe,
-   .remove = si1145_remove,
.id_table = si1145_ids,
 };
 
-- 
2.20.1