linux-kernel - Re: [PATCH 2/2] mfd: arizona: Add DT/ACPI u32 helper functions

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Message-ID: <20150527100831.GE31187@opensource.wolfsonmicro.com>
Date:	Wed, 27 May 2015 11:08:31 +0100
From:	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	sameo@...ux.intel.com, patches@...nsource.wolfsonmicro.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] mfd: arizona: Add DT/ACPI u32 helper functions

On Wed, May 27, 2015 at 10:24:40AM +0100, Lee Jones wrote:
> On Mon, 25 May 2015, Charles Keepax wrote:
> 
> > Add helpers to read u32's and arrays of u32's from device tree or ACPI
> > using the new device properties API.
> > 
> > Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
> > ---
> >  drivers/mfd/arizona-core.c       |   39 ++++++++++++++++++++++++++++++++++++++
> >  include/linux/mfd/arizona/core.h |    5 ++++
> >  2 files changed, 44 insertions(+), 0 deletions(-)
> 
> Me no likey!
> 
> There are 100's of 'required' and 'optional' properties in the kernel
> and it's normally the decision to early return or not that seals the
> fate of a given driver.  I'm not happy for platforms to start adding
> their own variants.
> 
> If you really do think these kinds of "helpers" add value, then make
> them generic, so everyone can make use of them.  Personally, I'm
> dubious however.

Thats cool I don't really have any problem with dropping this
patch and doing the necessary checking where appropriate.

Thanks,
Charles
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