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

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Message-ID: <ADE657CA350FB648AAC2C43247A983F0021DA666D43C@AUSP01VMBX24.collaborationhost.net>
Date:	Mon, 27 May 2013 11:17:09 -0500
From:	H Hartley Sweeten <hartleys@...ionengravers.com>
To:	Arnd Bergmann <arnd@...db.de>
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, 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.

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

Thanks,
Hartley--
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