linux-kernel - Re: [PATCH 15/20] video: msm: convert printk to pr

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Date:	Mon, 21 Mar 2011 16:33:41 +0300
From:	Sergei Shtylyov <sshtylyov@...sta.com>
To:	Carl Vanderlip <carlv@...eaurora.org>
CC:	David Brown <davidb@...eaurora.org>,
	Daniel Walker <dwalker@...o99.com>,
	Bryan Huntsman <bryanh@...eaurora.org>,
	linux-fbdev@...r.kernel.org, Brian Swetland <swetland@...gle.com>,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Colin Cross <ccross@...roid.com>,
	Rebecca Schultz Zavin <rebecca@...roid.com>,
	Dima Zavin <dima@...roid.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 15/20] video: msm: convert printk to pr_*

Hello.

Carl Vanderlip wrote:

> Reword debugging messages to use pr_err and pr_warning

> Authors:
> Dima Zavin <dima@...roid.com>
> Rebecca Schultz Zavin <rebecca@...roid.com>
> Colin Cross <ccross@...roid.com>

> Signed-off-by: Carl Vanderlip <carlv@...eaurora.org>
> ---
>  drivers/video/msm/mdp.c |   11 ++++-------
>  1 files changed, 4 insertions(+), 7 deletions(-)

> diff --git a/drivers/video/msm/mdp.c b/drivers/video/msm/mdp.c
> index 8184ca9..b03204d 100644
> --- a/drivers/video/msm/mdp.c
> +++ b/drivers/video/msm/mdp.c
> @@ -42,16 +42,13 @@ DEFINE_MUTEX(mdp_mutex);
>  
>  static int locked_enable_mdp_irq(struct mdp_info *mdp, uint32_t mask)
>  {
> -	int ret = 0;
> -
>  	BUG_ON(!mask);
>  
>  	/* if the mask bits are already set return an error, this interrupt
>  	 * is already enabled */
>  	if (mdp_irq_mask & mask) {
> -		printk(KERN_ERR "mdp irq already on already on %x %x\n",
> -		       mdp_irq_mask, mask);
> -		ret = -1;
> +		pr_err("mdp irq already on %x %x\n", mdp_irq_mask, mask);
> +		return -1;

    This change to *return* is not described.

WBR, Sergei

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