linux-kernel - Re: [patch 2.6.29-rc] regulator: minor cleanup of virtual consumer

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Date:	Thu, 15 Jan 2009 16:10:22 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	David Brownell <david-b@...bell.net>
Cc:	broonie@...nsource.wolfsonmicro.com, lrg@...mlogic.co.uk,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 2.6.29-rc] regulator: minor cleanup of virtual consumer

On Wed, 14 Jan 2009 13:16:27 -0800
David Brownell <david-b@...bell.net> wrote:

> From: David Brownell <dbrownell@...rs.sourceforge.net>
> 
> Minor cleanup to the regulator set_mode sysfs support:
> switch to sysfs_streq() in set_mode(), which is also
> a code shrink.  Use the same strings that get_mode()
> uses, shrinking data too.
> 
> Signed-off-by: David Brownell <dbrownell@...rs.sourceforge.net>
> ---
>  drivers/regulator/virtual.c |    8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> --- a/drivers/regulator/virtual.c
> +++ b/drivers/regulator/virtual.c
> @@ -226,13 +226,13 @@ static ssize_t set_mode(struct device *d
>  	unsigned int mode;
>  	int ret;
>  
> -	if (strncmp(buf, "fast", strlen("fast")) == 0)
> +	if (sysfs_streq(buf, "fast\n") == 0)
>  		mode = REGULATOR_MODE_FAST;
> -	else if (strncmp(buf, "normal", strlen("normal")) == 0)
> +	else if (sysfs_streq(buf, "normal\n") == 0)
>  		mode = REGULATOR_MODE_NORMAL;
> -	else if (strncmp(buf, "idle", strlen("idle")) == 0)
> +	else if (sysfs_streq(buf, "idle\n") == 0)
>  		mode = REGULATOR_MODE_IDLE;
> -	else if (strncmp(buf, "standby", strlen("standby")) == 0)
> +	else if (sysfs_streq(buf, "standby\n") == 0)
>  		mode = REGULATOR_MODE_STANDBY;

we don't need the \n's, do we?
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