Merge branch 'rt/semaphore' into rt/base

drivers/mfd/ucb1x00-core.c

@@ -24,6 +24,7 @@
 #include <linux/interrupt.h>
 #include <linux/device.h>
 #include <linux/mutex.h>
+#include <linux/semaphore.h>
 
 #include <mach/dma.h>
 #include <mach/hardware.h>

sound/soc/s3c24xx/s3c2443-ac97.c

@@ -47,7 +47,7 @@ static struct s3c24xx_ac97_info s3c24xx_ac97;
 
 static DECLARE_COMPLETION(ac97_completion);
 static u32 codec_ready;
-static DECLARE_MUTEX(ac97_mutex);
+static DEFINE_MUTEX(ac97_mutex);
 
 static unsigned short s3c2443_ac97_read(struct snd_ac97 *ac97,
 	unsigned short reg)
@@ -56,7 +56,7 @@ static unsigned short s3c2443_ac97_read(struct snd_ac97 *ac97,
 	u32 ac_codec_cmd;
 	u32 stat, addr, data;
 
-	down(&ac97_mutex);
+	mutex_lock(&ac97_mutex);
 
 	codec_ready = S3C_AC97_GLBSTAT_CODECREADY;
 	ac_codec_cmd = readl(s3c24xx_ac97.regs + S3C_AC97_CODEC_CMD);
@@ -79,7 +79,7 @@ static unsigned short s3c2443_ac97_read(struct snd_ac97 *ac97,
 		printk(KERN_ERR "s3c24xx-ac97: req addr = %02x,"
 				" rep addr = %02x\n", reg, addr);
 
-	up(&ac97_mutex);
+	mutex_unlock(&ac97_mutex);
 
 	return (unsigned short)data;
 }
@@ -90,7 +90,7 @@ static void s3c2443_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
 	u32 ac_glbctrl;
 	u32 ac_codec_cmd;
 
-	down(&ac97_mutex);
+	mutex_lock(&ac97_mutex);
 
 	codec_ready = S3C_AC97_GLBSTAT_CODECREADY;
 	ac_codec_cmd = readl(s3c24xx_ac97.regs + S3C_AC97_CODEC_CMD);
@@ -109,7 +109,7 @@ static void s3c2443_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
 	ac_codec_cmd |= S3C_AC97_CODEC_CMD_READ;
 	writel(ac_codec_cmd, s3c24xx_ac97.regs + S3C_AC97_CODEC_CMD);
 
-	up(&ac97_mutex);
+	mutex_unlock(&ac97_mutex);
 
 }