From: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Date: Thu, 26 Aug 2010 15:07:23 +0000 (+0100)
Subject: ARM: S3C64XX: Fix fallthrough bug in i2sv3 gpio configuration, improve logging
X-Git-Tag: firefly_0821_release~3680^2~2691^2~1226^2~475
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e4b6b74ffd32d114227a5dcfe814e2cecd80554b;p=firefly-linux-kernel-4.4.55.git

ARM: S3C64XX: Fix fallthrough bug in i2sv3 gpio configuration, improve logging

If the platform device id is 1, the code will fallthrough the
case and incorrectly return -EINVAL. Add a break to avoid fallthrough.

Make logging slightly more verbose by including the device id.

This fixes an issue only present in multi-component.

Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/arch/arm/mach-s3c64xx/dev-audio.c b/arch/arm/mach-s3c64xx/dev-audio.c
index f0942585b9c1..3838335f125b 100644
--- a/arch/arm/mach-s3c64xx/dev-audio.c
+++ b/arch/arm/mach-s3c64xx/dev-audio.c
@@ -43,8 +43,10 @@ static int s3c64xx_i2sv3_cfg_gpio(struct platform_device *pdev)
 		s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_I2S1_LRCLK);
 		s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_I2S1_DI);
 		s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_I2S1_D0);
+		break;
 	default:
-		printk(KERN_DEBUG "Invalid I2S Controller number!");
+		printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
+			pdev->id);
 		return -EINVAL;
 	}
 
@@ -184,7 +186,8 @@ static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
 		s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_PCM1_SOUT);
 		break;
 	default:
-		printk(KERN_DEBUG "Invalid PCM Controller number!");
+		printk(KERN_DEBUG "Invalid PCM Controller number: %d\n",
+			pdev->id);
 		return -EINVAL;
 	}