linux-kernel - Re: [PATCH 02/20] regmap: Remove regmap_bulk

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Message-ID: <20150812122856.GF19600@pengutronix.de>
Date:	Wed, 12 Aug 2015 14:28:56 +0200
From:	Markus Pargmann <mpa@...gutronix.de>
To:	Mark Brown <broonie@...nel.org>
Cc:	linux-iio@...r.kernel.org, Stephen Boyd <sboyd@...eaurora.org>,
	linux-kernel@...r.kernel.org, Jonathan Cameron <jic23@...nel.org>,
	kernel@...gutronix.de,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 02/20] regmap: Remove regmap_bulk_write 64bit support

On Wed, Aug 12, 2015 at 11:57:58AM +0100, Mark Brown wrote:
> On Wed, Aug 12, 2015 at 12:44:36PM +0200, Markus Pargmann wrote:
> 
> > I wasn't aware that any 64 bit architecture actually has unsigned ints
> > that are 64 bit in size. So wouldn't at least on x86_64 this would lead
> > to a compiler warning as unsigned int is 4 byte and u64 8 bytes?
> 
> Nobody complained about warnings yet.  The compiler probably shouldn't
> be complaining given the casts, they're supposed to be an "I know what
> I'm doing" thing.  If you want to change something here it's changing
> the test to be based on sizeof(unsigned int).

Ok, would work for me as well although sizeof is not a preprocessor
macro so I would probably leave it as it is. The whole regmap framework
just didn't seem to support 64bit so I thought this was just not
working.

Thanks,

Markus

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