On Fri, Aug 16, 2013 at 04:59:49PM +0200, Sebastian Andrzej Siewior wrote:
> * Zubair Lutfullah | 2013-08-13 21:05:03 [+0100]:
>
> >diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
> >index 3ceac3e..0d7e313 100644
> >--- a/drivers/iio/adc/ti_am335x_adc.c
> >+++ b/drivers/iio/adc/ti_am335x_adc.c
> …
>
> >+static int tiadc_buffer_postdisable(struct iio_dev *indio_dev)
> >+{
> >+ struct tiadc_device *adc_dev = iio_priv(indio_dev);
> >+ int config;
> >+
> >+ tiadc_step_config(indio_dev);
> >+ if (adc_dev->mfd_tscadc->tsc_cell == -1) {
> >+ config = tiadc_readl(adc_dev, REG_CTRL);
> >+ tiadc_writel(adc_dev, REG_CTRL, (config | CNTRLREG_TSCSSENB));
> >+ }
>
> This kind of check is bad. The tsc cell may have been created but the
> driver not enabled or loaded. Further you should document why you need
> to enable / disable the ADC in this places and only if the TSC part is
> not active.
>
> Sebastian
Noted. I'll look into it.
Thanks for pointing it out.
Zubair
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