Re: [PATCH 3/3] iio: ti_am335x_adc: cleanup error case

Jonathan Cameron
2013-09-22T18:20:55Z

On 09/22/13 09:20, Zubair Lutfullah wrote:
> Driver is functional without this error case. Cleaned up.
>
> Signed-off-by: Zubair Lutfullah <zubair.lutfullah@gmail.com>
Applied and pull request just sent to Greg.

> ---
> drivers/iio/adc/ti_am335x_adc.c | 10 ----------
> 1 file changed, 10 deletions(-)
>
> diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
> index 4eb63eb..8fb5429 100644
> --- a/drivers/iio/adc/ti_am335x_adc.c
> +++ b/drivers/iio/adc/ti_am335x_adc.c
> @@ -323,7 +323,6 @@ static int tiadc_read_raw(struct iio_dev *indio_dev,
> struct tiadc_device *adc_dev = iio_priv(indio_dev);
> int i, map_val;
> unsigned int fifo1count, read, stepid;
> - u32 step = UINT_MAX;
> bool found = false;
> u32 step_en;
> unsigned long timeout = jiffies + usecs_to_jiffies
> @@ -353,15 +352,6 @@ static int tiadc_read_raw(struct iio_dev *indio_dev,
> * Hence we need to flush out this data.
> */
>
> - for (i = 0; i < ARRAY_SIZE(adc_dev->channel_step); i++) {
> - if (chan->channel == adc_dev->channel_line[i]) {
> - step = adc_dev->channel_step[i];
> - break;
> - }
> - }
> - if (WARN_ON_ONCE(step == UINT_MAX))
> - return -EINVAL;
> -
> fifo1count = tiadc_readl(adc_dev, REG_FIFO1CNT);
> for (i = 0; i < fifo1count; i++) {
> read = tiadc_readl(adc_dev, REG_FIFO1);
>