[PATCH 2/6] s3c2443-ac97: convert semaphore to mutex

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



This fixes a build failure for 2.6.31-rc4-rt1 (ARCH=arm, s3c2410_defconfig):
	  CC [M]  sound/soc/s3c24xx/s3c2443-ac97.o	sound/soc/s3c24xx/s3c2443-ac97.c:50: warning: type defaults to 'int' in declaration of 'DECLARE_MUTEX'	sound/soc/s3c24xx/s3c2443-ac97.c:50: warning: parameter names (without types) in function declaration	sound/soc/s3c24xx/s3c2443-ac97.c: In function 's3c2443_ac97_read':	sound/soc/s3c24xx/s3c2443-ac97.c:59: error: 'ac97_mutex' undeclared (first use in this function)	sound/soc/s3c24xx/s3c2443-ac97.c:59: error: (Each undeclared identifier is reported only once	sound/soc/s3c24xx/s3c2443-ac97.c:59: error: for each function it appears in.)	sound/soc/s3c24xx/s3c2443-ac97.c: In function 's3c2443_ac97_write':	sound/soc/s3c24xx/s3c2443-ac97.c:93: error: 'ac97_mutex' undeclared (first use in this function)
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>Cc: Takashi Iwai <tiwai@xxxxxxx>Cc: Jaroslav Kysela <perex@xxxxxxxx>Cc: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>Cc: Liam Girdwood <lrg@xxxxxxxxxxxxxxx>Cc: Ben Dooks <ben-linux@xxxxxxxxx>Cc: Timur Tabi <timur@xxxxxxxxxxxxx>Cc: Eric Miao <eric.miao@xxxxxxxxxxx>Cc: alsa-devel@xxxxxxxxxxxxxxxxxx: linux-kernel@xxxxxxxxxxxxxxxxxx sound/soc/s3c24xx/s3c2443-ac97.c |   10 +++++----- 1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/sound/soc/s3c24xx/s3c2443-ac97.c b/sound/soc/s3c24xx/s3c2443-ac97.cindex 3f03d5d..bf16f20 100644--- a/sound/soc/s3c24xx/s3c2443-ac97.c+++ b/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);  } -- 1.6.3.3
_______________________________________________Alsa-devel mailing listAlsa-devel@xxxxxxxxxxxxxxxxxxxx://mailman.alsa-project.org/mailman/listinfo/alsa-devel

[Index of Archives]     [ALSA User]     [Linux Audio Users]     [Pulse Audio]     [Kernel Archive]     [Asterisk PBX]     [Photo Sharing]     [Linux Sound]     [Video 4 Linux]     [Gimp]     [Yosemite News]

  Powered by Linux