From d41d219e8154885105d631661e5a86ba6461fb81 Mon Sep 17 00:00:00 2001 From: Matthias Kaehlcke Date: Mon, 9 Jun 2008 16:24:08 -0700 Subject: [ARM] OMAP1: N770: Convert audio_pwr_sem in a mutex ARM: OMAP1: N770: The semaphore audio_pwr_sem is used as a mutex. Convert it to the mutex API [akpm@linux-foundation.org: include mutex.h] Signed-off-by: Matthias Kaehlcke Cc: Tony Lindgren Signed-off-by: Andrew Morton Signed-off-by: Russell King --- arch/arm/mach-omap1/board-nokia770.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) (limited to 'arch/arm/mach-omap1/board-nokia770.c') diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c index bcb984f2300..3f39e0e79c9 100644 --- a/arch/arm/mach-omap1/board-nokia770.c +++ b/arch/arm/mach-omap1/board-nokia770.c @@ -10,6 +10,7 @@ #include #include +#include #include #include #include @@ -202,7 +203,7 @@ static struct omap_board_config_kernel nokia770_config[] __initdata = { #define AMPLIFIER_CTRL_GPIO 58 static struct clk *dspxor_ck; -static DECLARE_MUTEX(audio_pwr_sem); +static DEFINE_MUTEX(audio_pwr_lock); /* * audio_pwr_state * +--+-------------------------+---------------------------------------+ @@ -218,7 +219,7 @@ static DECLARE_MUTEX(audio_pwr_sem); static int audio_pwr_state = -1; /* - * audio_pwr_up / down should be called under audio_pwr_sem + * audio_pwr_up / down should be called under audio_pwr_lock */ static void nokia770_audio_pwr_up(void) { @@ -237,11 +238,11 @@ static void nokia770_audio_pwr_up(void) static void codec_delayed_power_down(struct work_struct *work) { - down(&audio_pwr_sem); + mutex_lock(&audio_pwr_lock); if (audio_pwr_state == -1) aic23_power_down(); clk_disable(dspxor_ck); - up(&audio_pwr_sem); + mutex_unlock(&audio_pwr_lock); } static DECLARE_DELAYED_WORK(codec_power_down_work, codec_delayed_power_down); @@ -258,19 +259,19 @@ static void nokia770_audio_pwr_down(void) static int nokia770_audio_pwr_up_request(struct dsp_kfunc_device *kdev, int stage) { - down(&audio_pwr_sem); + mutex_lock(&audio_pwr_lock); if (audio_pwr_state == -1) nokia770_audio_pwr_up(); /* force audio_pwr_state = 0, even if it was 1. */ audio_pwr_state = 0; - up(&audio_pwr_sem); + mutex_unlock(&audio_pwr_lock); return 0; } static int nokia770_audio_pwr_down_request(struct dsp_kfunc_device *kdev, int stage) { - down(&audio_pwr_sem); + mutex_lock(&audio_pwr_lock); switch (stage) { case 1: if (audio_pwr_state == 0) @@ -283,7 +284,7 @@ nokia770_audio_pwr_down_request(struct dsp_kfunc_device *kdev, int stage) } break; } - up(&audio_pwr_sem); + mutex_unlock(&audio_pwr_lock); return 0; } -- cgit v1.2.3