linux-kernel - Re: [PATCH v2 3/5] iio: mxs-lradc: add scale attribute to channels

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Message-Id: <201307191814.15491.marex@denx.de>
Date:	Fri, 19 Jul 2013 18:14:15 +0200
From:	Marek Vasut <marex@...x.de>
To:	Hector Palacios <hector.palacios@...i.com>
Cc:	"linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"alexandre.belloni@...e-electrons.com" 
	<alexandre.belloni@...e-electrons.com>,
	"jic23@...nel.org" <jic23@...nel.org>,
	"lars@...afoo.de" <lars@...afoo.de>,
	"fabio.estevam@...escale.com" <fabio.estevam@...escale.com>
Subject: Re: [PATCH v2 3/5] iio: mxs-lradc: add scale attribute to channels

Dear Hector Palacios,

> Dear Marek,
> 
> On 07/19/2013 04:30 PM, Marek Vasut wrote:
> >> @@ -228,39 +230,12 @@ struct mxs_lradc {
> >> 
> >>   #define LRADC_RESOLUTION			12
> >>   #define LRADC_SINGLE_SAMPLE_MASK		((1 << LRADC_RESOLUTION) - 1)
> >> 
> >> -/*
> >> - * Raw I/O operations
> >> - */
> >> -static int mxs_lradc_read_raw(struct iio_dev *iio_dev,
> >> +static int mxs_lradc_read_single(struct iio_dev *iio_dev,
> >> 
> >>   			const struct iio_chan_spec *chan,
> >>   			int *val, int *val2, long m)
> >>   
> >>   {
> >>   
> >>   	struct mxs_lradc *lradc = iio_priv(iio_dev);
> >>   	int ret;
> >> 
> >> -	unsigned long mask;
> >> -
> >> -	if (m != IIO_CHAN_INFO_RAW)
> >> -		return -EINVAL;
> >> -
> >> -	/* Check for invalid channel */
> >> -	if (chan->channel > LRADC_MAX_TOTAL_CHANS)
> >> -		return -EINVAL;
> > 
> > This was already resolved, so this patch won't apply I'm afraid.
> 
> You mean the 'unsigned long mask', right?  Yeah, I think I had resolved
> that one before submitting, but looks like I didn't.
> The other check is not resolved afaik. We agreed to remove it, but on a
> different patch.

I mean the other check, yeah. A patch removing that should be applied already.

Best regards,
Marek Vasut
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