linux-kernel - Re: [PATCH] iio: adc: imx25-gcq: fix do

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Message-ID: <20160307110632.GA10337@sudip-pc>
Date:	Mon, 7 Mar 2016 16:36:32 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Markus Pargmann <mpa@...gutronix.de>
Cc:	Jonathan Cameron <jic23@...nel.org>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald <pmeerw@...erw.net>,
	linux-kernel@...r.kernel.org, kernel-testers@...r.kernel.org,
	linux-iio@...r.kernel.org
Subject: Re: [PATCH] iio: adc: imx25-gcq: fix do_div

On Mon, Mar 07, 2016 at 10:01:34AM +0100, Markus Pargmann wrote:
> Hi,
> 
> On Saturday 05 March 2016 18:43:11 Jonathan Cameron wrote:
> > On 03/03/16 12:51, Sudip Mukherjee wrote:
> > > We are getting build failure with tilepro allmodconfig with the error:
> > > 
> > > drivers/iio/adc/fsl-imx25-gcq.c:236:4: note: in expansion of macro 'do_div'
> > > do_div(priv->channel_vref_mv[reg], 1000);
> > >     ^
> > > 
> > > include/asm-generic/div64.h:198:17: note: expected 'uint64_t *
> > > 	{aka long long unsigned int *}' but argument is of type 'u32 *
> > > 	{aka unsigned int *}'
> > > 
> > > Create a temporary variable of type u64 and use that in do_div.
> > > 
> > > Signed-off-by: Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>
> > Markus, can you take a quick look at this. 
> 
> Thanks. I think this was already fixed by Arnd.
> 	"iio: adc/imx25-gcq: move incorrect do_div"

It should. But I still have the same build failure with next-20160307
and not only tilepro, even m32r is also having the same build failure.

regards
sudip