linux-kernel - Re: [PATCH 0/5] drivers/mtd: make several functions return bool

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Date:	Fri, 25 Mar 2016 08:51:55 +0100
From:	Boris Brezillon <boris.brezillon@...e-electrons.com>
To:	Yaowei Bai <baiyaowei@...s.chinamobile.com>
Cc:	Dongsheng Yang <dongsheng.yang@...ystack.cn>, dwmw2@...radead.org,
	computersforpeace@...il.com, richard@....at,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] drivers/mtd: make several functions return bool

Hi Yao,

On Fri, 25 Mar 2016 14:31:53 +0800
Yaowei Bai <baiyaowei@...s.chinamobile.com> wrote:

> On Fri, Mar 25, 2016 at 10:54:51AM +0800, Dongsheng Yang wrote:
> > ccing: Brian and Richard
> > 
> > Hi Yao,
> >     Is that really necessary? I am not sure how much benefit we can
> > achieve from this change.
> > Could you explain more?
> 
> Yes, according to these functions' name, a boolean return value is more
> suitable and matchable.
> 
> Also personally think this change maybe benfit function's return value 
> storage in the stack when called on certain architectures.

At least be honest, and say this is for your patchcount statistics :P.
I'm fine taking the NAND related ones, but please, next time find
something more useful to submit.

Best Regards,

Boris

> 
> > 
> > Yang
> > 
> > On 03/25/2016 10:41 AM, Yaowei Bai wrote:
> > >This series only make several funcitons return bool to improve
> > >readability, no other funcitonal changes.
> > >
> > >Yaowei Bai (5):
> > >   drivers/mtd: mtd_is_partition can be boolean
> > >   drivers/mtd: cfi_interleave_supported can be boolean
> > >   drivers/mtd: map_bankwidth_supported can be boolean
> > >   drivers/mtd: mtd_nand_has_bch can be boolean
> > >   drivers/mtd/nand: nand_opcode_8bits can be boolean
> > >
> > >  drivers/mtd/mtdpart.c          | 6 +++---
> > >  include/linux/mtd/cfi.h        | 6 +++---
> > >  include/linux/mtd/map.h        | 6 +++---
> > >  include/linux/mtd/nand.h       | 6 +++---
> > >  include/linux/mtd/nand_bch.h   | 4 ++--
> > >  include/linux/mtd/partitions.h | 2 +-
> > >  6 files changed, 15 insertions(+), 15 deletions(-)
> > >
> > 
> 
> 



-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com