linux-kernel - Re: [PATCH v3 2/2] ASoC: fsl_asrc: Add ASRC ASoC CPU DAI and platform drivers

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Date:	Tue, 29 Jul 2014 18:13:24 +0800
From:	Nicolin Chen <Guangyu.Chen@...escale.com>
To:	Mark Rutland <mark.rutland@....com>
CC:	Nicolin Chen <nicoleotsuka@...il.com>,
	"broonie@...nel.org" <broonie@...nel.org>,
	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	Pawel Moll <Pawel.Moll@....com>,
	"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
	"galak@...eaurora.org" <galak@...eaurora.org>,
	"rdunlap@...radead.org" <rdunlap@...radead.org>,
	"lgirdwood@...il.com" <lgirdwood@...il.com>,
	"perex@...ex.cz" <perex@...ex.cz>, "tiwai@...e.de" <tiwai@...e.de>,
	"timur@...i.org" <timur@...i.org>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"shawn.guo@...aro.org" <shawn.guo@...aro.org>,
	"b02247@...escale.com" <b02247@...escale.com>,
	"b42378@...escale.com" <b42378@...escale.com>,
	"tklauser@...tanz.ch" <tklauser@...tanz.ch>
Subject: Re: [PATCH v3 2/2] ASoC: fsl_asrc: Add ASRC ASoC CPU DAI and
 platform drivers

On Tue, Jul 29, 2014 at 10:46:13AM +0100, Mark Rutland wrote:
> > +   - big-endian : If this property is absent, the native endian mode will
> > +                 be in use as default, or the big endian mode will be in use
> > +                 for all the device registers.
> 
> Native endian is meaningless. If a CPU supports both BE and LE, there is
> no native endianness. The endianness of the kernel is dynamic while the
> endianness of registers in HW is fixed. 
> 
> Just choose an endianness to assume by default (presumably little). That
> way this describes the HW and always works with a kernel of arbitrary
> endianness.

Thank you for the comments.

I just revised it by using 'little endian as default' and sent the patch v6.

Please take a look at the new version.

Thanks again,
Nicolin

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