On 03/20/2017 07:56 PM, Arushi Singhal wrote:
[...]
> @@ -413,6 +413,7 @@ int ad7606_probe(struct device *dev, int irq, void
> __iomem *base_address,
> st = iio_priv(indio_dev);
>
> st->dev = dev;
> + mutex_init(&st->lock);
This is nitpicking, but putting this in the middle of the assignments has a
bit of a weired flow it. Either put it above or below the assignments.
> st->bops = bops;
> st->base_address = base_address;
> /* tied to logic low, analog input range is +/- 5V */
> diff --git a/drivers/staging/iio/adc/ad7606.h
> b/drivers/staging/iio/adc/ad7606.h
> index 746f9553d2ba..5d59bdd78727 100644
> --- a/drivers/staging/iio/adc/ad7606.h
> +++ b/drivers/staging/iio/adc/ad7606.h
> @@ -14,6 +14,7 @@
> * @name: identification string for chip
> * @channels: channel specification
> * @num_channels: number of channels
> + * @lock protect sensor state
This documentation is for struct ad7607_chip_info, but you are adding the
field to struct ad7606_state.
> */
>
> struct ad7606_chip_info {
> @@ -37,6 +38,7 @@ struct ad7606_state {
> bool done;
> void __iomem *base_address;
>
> + struct mutex lock; /* protect sensor state */
> struct gpio_desc *gpio_convst;
> struct gpio_desc *gpio_reset;
> struct gpio_desc *gpio_range;
>
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