linux-kernel - Re: [PATCH V2 08/19] irqchip: crossbar: fix checkpatch warning

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Date:	Thu, 12 Jun 2014 07:18:31 -0700
From:	Joe Perches <joe@...ches.com>
To:	Sricharan R <r.sricharan@...com>
Cc:	Jason Cooper <jason@...edaemon.net>, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, tony@...mide.com,
	santosh.shilimkar@...com, nm@...com, rnayak@...com,
	linux@....linux.org.uk, tglx@...utronix.de
Subject: Re: [PATCH V2 08/19] irqchip: crossbar: fix checkpatch warning

On Thu, 2014-06-12 at 19:05 +0530, Sricharan R wrote:
> On Thursday 12 June 2014 06:40 PM, Jason Cooper wrote:
> > On Thu, Jun 12, 2014 at 05:23:16PM +0530, Sricharan R wrote:
> >> diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c
[]
> >> @@ -34,7 +34,8 @@ struct crossbar_device {
> >>  	uint *irq_map;
> >>  	void __iomem *crossbar_base;
> >>  	int *register_offsets;
> >> -	void (*write) (int, int);
> >> +
> >> +	void (*write)(int, int);
> > 
> > The empty line here looks bogus to me.

Good eye.  It's unnecessary.

>   Did you re-run checkpatch after
> > fixing the unnecessary space to see if it still complained about having
> > a 'blank line after declarations'?
> > 
>  Yes, it still complains even after fixing unnecessary space.

It's a checkpatch defect.

It's been fixed by:
https://lkml.org/lkml/2014/6/6/426

> > I'm generally opposed to these sorts of checkpatch patches, especially
> > when they are just warnings.  It's great for a new driver in the staging
> > tree, but it makes backporting future bugfixes that much harder when
> > drivers have been live in mainline.

Blind adherence to checkpatch isn't always a great idea.

But bugfix backports haven't been much of an issue in
other subsystems with fairly active whitespace/style
changes.


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