linux-kernel - Re: [PATCH 02/14] misc/ep93xx_pwm: use {read,write}* instead of __raw

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Message-Id: <201305271907.14742.arnd@arndb.de>
Date:	Mon, 27 May 2013 19:07:14 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	H Hartley Sweeten <hartleys@...ionengravers.com>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	Ryan Mallon <rmallon@...il.com>,
	"mcrapet@...il.com" <mcrapet@...il.com>
Subject: Re: [PATCH 02/14] misc/ep93xx_pwm: use {read,write}* instead of __raw_* versions for io

On Monday 27 May 2013, H Hartley Sweeten wrote:
> On Monday, May 27, 2013 8:18 AM, Arnd Bergmann wrote:
> > On Saturday 25 May 2013, H Hartley Sweeten wrote:
> >> @@ -42,13 +42,13 @@ struct ep93xx_pwm {
> >>  static inline void ep93xx_pwm_writel(struct ep93xx_pwm *pwm,
> >>                 unsigned int val, unsigned int off)
> >>  {
> >> -       __raw_writel(val, pwm->mmio_base + off);
> >> +       writel(val, pwm->mmio_base + off);
> >>  }
> >
> > Just an idea: since you are adding the writel in a lot of places in subsequent
> > patches, you could rename 'mmio_base' to the shorter 'base' first, which would
> > make the resulting code actually smaller.
> 
> Hmm.. It would make the source file a bit smaller but the compiled size would
> be the same.

Right.

> But, I'll probably rename the variable when I convert this driver to the PWM
> framework.

Ok.

	Arnd

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