linux-kernel - [PATCH] ASoC: fsl_esai: Remove expensive print in irq handler

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Message-Id: <1587458483-2166-1-git-send-email-shengjiu.wang@nxp.com>
Date:   Tue, 21 Apr 2020 16:41:23 +0800
From:   Shengjiu Wang <shengjiu.wang@....com>
To:     timur@...nel.org, nicoleotsuka@...il.com, Xiubo.Lee@...il.com,
        festevam@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com, alsa-devel@...a-project.org
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ASoC: fsl_esai: Remove expensive print in irq handler

Use dev_dbg instead of dev_err in irq handler, the dev_err
is expensive, we don't need the message to be printed everytime,
which is almost a debug option.

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 sound/soc/fsl/fsl_esai.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c
index c7a49d03463a..453392a9cd68 100644
--- a/sound/soc/fsl/fsl_esai.c
+++ b/sound/soc/fsl/fsl_esai.c
@@ -94,10 +94,10 @@ static irqreturn_t esai_isr(int irq, void *devid)
 		dev_dbg(&pdev->dev, "isr: Transmission Initialized\n");
 
 	if (esr & ESAI_ESR_RFF_MASK)
-		dev_warn(&pdev->dev, "isr: Receiving overrun\n");
+		dev_dbg(&pdev->dev, "isr: Receiving overrun\n");
 
 	if (esr & ESAI_ESR_TFE_MASK)
-		dev_warn(&pdev->dev, "isr: Transmission underrun\n");
+		dev_dbg(&pdev->dev, "isr: Transmission underrun\n");
 
 	if (esr & ESAI_ESR_TLS_MASK)
 		dev_dbg(&pdev->dev, "isr: Just transmitted the last slot\n");
-- 
2.21.0