From: "Janorkar, Mayuresh" <mayur@ti.com>
To: Carl Vanderlip <carlv@codeaurora.org>,
David Brown <davidb@codeaurora.org>,
Daniel Walker <dwalker@fifo99.com>,
Bryan Huntsman <bryanh@codeaurora.org>
Cc: Brian Swetland <swetland@google.com>,
Dima Zavin <dima@android.com>,
Rebecca Schultz Zavin <rebecca@android.com>,
Colin Cross <ccross@android.com>,
"linux-fbdev@vger.kernel.org" <linux-fbdev@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH 15/20] video: msm: convert printk to pr_*
Date: Mon, 21 Mar 2011 10:52:37 +0530 [thread overview]
Message-ID: <EAF47CD23C76F840A9E7FCE10091EFAB033D22EB7F@dbde02.ent.ti.com> (raw)
In-Reply-To: <1300485552-27519-1-git-send-email-carlv@codeaurora.org>
> -----Original Message-----
> From: linux-fbdev-owner@vger.kernel.org [mailto:linux-fbdev-
> owner@vger.kernel.org] On Behalf Of Carl Vanderlip
> Sent: Saturday, March 19, 2011 3:29 AM
> To: David Brown; Daniel Walker; Bryan Huntsman
> Cc: Brian Swetland; Dima Zavin; Rebecca Schultz Zavin; Colin Cross; linux-
> fbdev@vger.kernel.org; Carl Vanderlip; linux-arm-
> kernel@lists.infradead.org; linux-arm-msm@vger.kernel.org; linux-
> kernel@vger.kernel.org
> Subject: [PATCH 15/20] video: msm: convert printk to pr_*
>
> Reword debugging messages to use pr_err and pr_warning
>
> Authors:
> Dima Zavin <dima@android.com>
> Rebecca Schultz Zavin <rebecca@android.com>
> Colin Cross <ccross@android.com>
>
> Signed-off-by: Carl Vanderlip <carlv@codeaurora.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;
Please use standard error codes.
http://lxr.linux.no/#linux+v2.6.38/include/asm-generic/errno-base.h
The code would be more readable.
Plus it would help in debugging.
> }
> /* if the mdp irq is not already enabled enable it */
> if (!mdp_irq_mask) {
> @@ -172,9 +169,9 @@ static int mdp_wait(struct mdp_info *mdp, uint32_t
> mask, wait_queue_head_t *wq)
>
> spin_lock_irqsave(&mdp->lock, irq_flags);
> if (mdp_irq_mask & mask) {
> + pr_warning("%s: timeout waiting for mdp to complete 0x%x\n",
> + __func__, mask);
> locked_disable_mdp_irq(mdp, mask);
> - printk(KERN_WARNING "timeout waiting for mdp to complete
> %x\n",
> - mask);
> ret = -ETIMEDOUT;
> }
> spin_unlock_irqrestore(&mdp->lock, irq_flags);
> --
> Sent by an employee of the Qualcomm Innovation Center, Inc.
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2011-03-21 5:22 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-18 21:47 [PATCH 00/20] video: msm: Adding Support for MDP3.1 Carl Vanderlip
2011-03-18 21:51 ` [PATCH 01/20] video: msm: Fix typo 'mpd'->'mdp' Carl Vanderlip
2011-03-21 4:24 ` Janorkar, Mayuresh
2011-03-22 0:08 ` Carl Vanderlip
2011-03-18 21:53 ` [PATCH 02/20] video: msm: add spinlock to mdp_info struct Carl Vanderlip
2011-03-18 21:53 ` [PATCH 03/20] video: msm: add locked_enable_mdp_irq function Carl Vanderlip
2011-03-18 21:54 ` [PATCH 04/20] video: msm: Move clk to mdp_info struct Carl Vanderlip
2011-03-18 21:54 ` [PATCH 05/20] video: msm: Setup framework for multiple output interfaces Carl Vanderlip
2011-03-18 21:55 ` [PATCH 06/20] video: msm: Simplify mdp_blit function Carl Vanderlip
2011-03-18 21:56 ` [PATCH 07/20] video: msm: Allow users to request a larger x and y virtual fb Carl Vanderlip
2011-03-21 4:40 ` Janorkar, Mayuresh
2011-03-21 16:41 ` Russell King - ARM Linux
2011-03-22 0:21 ` Carl Vanderlip
2011-03-18 21:56 ` [PATCH 08/20] video: msm: Refactor mdp_regs Carl Vanderlip
2011-03-21 5:17 ` Janorkar, Mayuresh
2011-03-21 17:23 ` Bryan Huntsman
2011-03-21 17:28 ` Brian Swetland
2011-03-18 21:57 ` [PATCH 09/20] video: msm: Split out MDP2.2 HW specific code Carl Vanderlip
2011-03-20 9:22 ` Russell King - ARM Linux
2011-03-22 0:26 ` Carl Vanderlip
2011-03-21 5:15 ` Janorkar, Mayuresh
2011-03-23 13:11 ` Daniel Walker
2011-03-23 19:18 ` Dima Zavin
2011-03-23 20:42 ` Carl Vanderlip
2011-03-23 22:47 ` David Brown
2011-03-18 21:57 ` [PATCH 10/20] video: msm: Separate more MDP " Carl Vanderlip
2011-03-18 21:57 ` [PATCH 11/20] video: msm: Add MDP FB DMA configuration Carl Vanderlip
2011-03-21 5:18 ` Janorkar, Mayuresh
2011-03-18 21:58 ` [PATCH 12/20] video: msm: Add IRQ callback for MDP interface Carl Vanderlip
2011-03-18 21:58 ` [PATCH 13/20] video: msm: Debugging for send_blit Carl Vanderlip
2011-03-21 5:20 ` Janorkar, Mayuresh
2011-03-18 21:58 ` [PATCH 14/20] video: msm: Write IRQ mask to MDP registers Carl Vanderlip
2011-03-18 21:59 ` [PATCH 15/20] video: msm: convert printk to pr_* Carl Vanderlip
2011-03-21 5:22 ` Janorkar, Mayuresh [this message]
2011-03-21 13:33 ` Sergei Shtylyov
2011-03-18 21:59 ` [PATCH 16/20] video: msm: Set the EBI1 clock to 128MHz when performing blits Carl Vanderlip
2011-03-21 20:31 ` Stephen Boyd
2011-03-18 21:59 ` [PATCH 17/20] video: msm: Prevent framebuffer glitch during initialization Carl Vanderlip
2011-03-21 13:39 ` Sergei Shtylyov
2011-03-21 23:49 ` Carl Vanderlip
2011-03-18 21:59 ` [PATCH 18/20] video: msm: Prevent DMA lockups when switching bit depths Carl Vanderlip
2011-03-21 13:42 ` Sergei Shtylyov
2011-03-18 21:59 ` [PATCH 19/20] video: msm: Separate calculation of base and offset Carl Vanderlip
2011-03-18 22:00 ` [PATCH 20/20] video: msm: Add support for MDP 3.1 (qsd8k) Carl Vanderlip
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