diff mbox series

[v2,2/4] iio: inkern: Convert iio_read_avail_channel_raw into a wrapper

Message ID 20190323172809.14407-2-contact@artur-rojek.eu (mailing list archive)
State New, archived
Headers show
Series [v2,1/4] iio: inkern: API for reading available iio channel attribute values | expand

Commit Message

Artur Rojek March 23, 2019, 5:28 p.m. UTC
Convert "iio_read_avail_channel_raw" over to a wrapper around
"iio_read_avail_channel_attribute".

With the introduction of "iio_read_avail_channel_attribute",
the necessity of having a separate call to read raw channel values
became redundant.

Signed-off-by: Artur Rojek <contact@artur-rojek.eu>
---

Changes:

v2: new patch

 drivers/iio/inkern.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

Comments

Jonathan Cameron March 24, 2019, 3:27 p.m. UTC | #1
On Sat, 23 Mar 2019 18:28:07 +0100
Artur Rojek <contact@artur-rojek.eu> wrote:

> Convert "iio_read_avail_channel_raw" over to a wrapper around
> "iio_read_avail_channel_attribute".
> 
> With the introduction of "iio_read_avail_channel_attribute",
> the necessity of having a separate call to read raw channel values
> became redundant.
> 
> Signed-off-by: Artur Rojek <contact@artur-rojek.eu>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> ---
> 
> Changes:
> 
> v2: new patch
> 
>  drivers/iio/inkern.c | 12 ++----------
>  1 file changed, 2 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
> index f19dbde3c945..4a5eff3f18bc 100644
> --- a/drivers/iio/inkern.c
> +++ b/drivers/iio/inkern.c
> @@ -759,16 +759,8 @@ int iio_read_avail_channel_raw(struct iio_channel *chan,
>  	int ret;
>  	int type;
>  
> -	mutex_lock(&chan->indio_dev->info_exist_lock);
> -	if (!chan->indio_dev->info) {
> -		ret = -ENODEV;
> -		goto err_unlock;
> -	}
> -
> -	ret = iio_channel_read_avail(chan,
> -				     vals, &type, length, IIO_CHAN_INFO_RAW);
> -err_unlock:
> -	mutex_unlock(&chan->indio_dev->info_exist_lock);
> +	ret = iio_read_avail_channel_attribute(chan, vals, &type, length,
> +					 IIO_CHAN_INFO_RAW);
>  
>  	if (ret >= 0 && type != IIO_VAL_INT)
>  		/* raw values are assumed to be IIO_VAL_INT */
Jonathan Cameron April 14, 2019, 10:35 a.m. UTC | #2
On Sun, 24 Mar 2019 15:27:50 +0000
Jonathan Cameron <jic23@kernel.org> wrote:

> On Sat, 23 Mar 2019 18:28:07 +0100
> Artur Rojek <contact@artur-rojek.eu> wrote:
> 
> > Convert "iio_read_avail_channel_raw" over to a wrapper around
> > "iio_read_avail_channel_attribute".
> > 
> > With the introduction of "iio_read_avail_channel_attribute",
> > the necessity of having a separate call to read raw channel values
> > became redundant.
> > 
> > Signed-off-by: Artur Rojek <contact@artur-rojek.eu>  
> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Applied to the ib-jz47xx-battery-prereq branch of iio.git

Thanks,

Jonathan

> 
> > ---
> > 
> > Changes:
> > 
> > v2: new patch
> > 
> >  drivers/iio/inkern.c | 12 ++----------
> >  1 file changed, 2 insertions(+), 10 deletions(-)
> > 
> > diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
> > index f19dbde3c945..4a5eff3f18bc 100644
> > --- a/drivers/iio/inkern.c
> > +++ b/drivers/iio/inkern.c
> > @@ -759,16 +759,8 @@ int iio_read_avail_channel_raw(struct iio_channel *chan,
> >  	int ret;
> >  	int type;
> >  
> > -	mutex_lock(&chan->indio_dev->info_exist_lock);
> > -	if (!chan->indio_dev->info) {
> > -		ret = -ENODEV;
> > -		goto err_unlock;
> > -	}
> > -
> > -	ret = iio_channel_read_avail(chan,
> > -				     vals, &type, length, IIO_CHAN_INFO_RAW);
> > -err_unlock:
> > -	mutex_unlock(&chan->indio_dev->info_exist_lock);
> > +	ret = iio_read_avail_channel_attribute(chan, vals, &type, length,
> > +					 IIO_CHAN_INFO_RAW);
> >  
> >  	if (ret >= 0 && type != IIO_VAL_INT)
> >  		/* raw values are assumed to be IIO_VAL_INT */  
>
diff mbox series

Patch

diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index f19dbde3c945..4a5eff3f18bc 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -759,16 +759,8 @@  int iio_read_avail_channel_raw(struct iio_channel *chan,
 	int ret;
 	int type;
 
-	mutex_lock(&chan->indio_dev->info_exist_lock);
-	if (!chan->indio_dev->info) {
-		ret = -ENODEV;
-		goto err_unlock;
-	}
-
-	ret = iio_channel_read_avail(chan,
-				     vals, &type, length, IIO_CHAN_INFO_RAW);
-err_unlock:
-	mutex_unlock(&chan->indio_dev->info_exist_lock);
+	ret = iio_read_avail_channel_attribute(chan, vals, &type, length,
+					 IIO_CHAN_INFO_RAW);
 
 	if (ret >= 0 && type != IIO_VAL_INT)
 		/* raw values are assumed to be IIO_VAL_INT */