From: Iliyan Malchev <malchev@google.com>
Date: Tue, 23 Nov 2010 21:58:43 +0000 (-0800)
Subject: Merge branch 'linux-tegra-2.6.36' into android-tegra-2.6.36
X-Git-Tag: firefly_0821_release~9833^2~102
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=110d84390df5c844d54f761273e302d0da72494c;p=firefly-linux-kernel-4.4.55.git

Merge branch 'linux-tegra-2.6.36' into android-tegra-2.6.36

Conflicts:
	arch/arm/mach-tegra/tegra_spdif_audio.c

Signed-off-by: Iliyan Malchev <malchev@google.com>
---

110d84390df5c844d54f761273e302d0da72494c
diff --cc arch/arm/mach-tegra/tegra_spdif_audio.c
index faa53a24e219,3fb90905bc87..0848b1550dfe
--- a/arch/arm/mach-tegra/tegra_spdif_audio.c
+++ b/arch/arm/mach-tegra/tegra_spdif_audio.c
@@@ -43,12 -43,10 +43,11 @@@
  #include <linux/io.h>
  #include <linux/ktime.h>
  #include <linux/sysfs.h>
- #include <linux/pm_qos_params.h>
 +#include <linux/wakelock.h>
  #include <linux/delay.h>
  #include <linux/tegra_audio.h>
- #include <linux/workqueue.h>
  #include <linux/pm.h>
+ #include <linux/workqueue.h>
  
  #include <mach/dma.h>
  #include <mach/iomap.h>
@@@ -82,24 -80,11 +81,13 @@@ struct audio_stream 
  	struct tegra_dma_channel *dma_chan;
  	bool stop;
  	struct completion stop_completion;
- 	spinlock_t dma_req_lock; /* guards dma_has_it */
- 	int dma_has_it;
- 	struct tegra_dma_req dma_req;
+ 	spinlock_t dma_req_lock;
  
- 	struct pm_qos_request_list pm_qos;
  	struct work_struct allow_suspend_work;
 +	struct wake_lock wake_lock;
 +	char wake_lock_name[100];
  };
  
- struct spdif_pio_stats {
- 	u32 spdif_interrupt_count;
- 	u32 tx_fifo_errors;
- 	u32 tx_fifo_written;
- };
- 
- 
  struct audio_driver_state {
  	struct list_head next;
  
@@@ -167,18 -147,13 +150,15 @@@ static inline void prevent_suspend(stru
  {
  	pr_debug("%s\n", __func__);
  	cancel_work_sync(&as->allow_suspend_work);
 +	wake_lock(&as->wake_lock);
- 	pm_qos_update_request(&as->pm_qos, 0);
  }
  
  static void allow_suspend_worker(struct work_struct *w)
  {
  	struct audio_stream *as = container_of(w,
  			struct audio_stream, allow_suspend_work);
- 
  	pr_debug("%s\n", __func__);
- 	pm_qos_update_request(&as->pm_qos, PM_QOS_DEFAULT_VALUE);
 +	wake_unlock(&as->wake_lock);
  }
  
  static inline void allow_suspend(struct audio_stream *as)
@@@ -1310,12 -1097,6 +1102,10 @@@ static int tegra_spdif_probe(struct pla
  		return rc;
  
  	INIT_WORK(&state->out.allow_suspend_work, allow_suspend_worker);
- 	pm_qos_add_request(&state->out.pm_qos, PM_QOS_CPU_DMA_LATENCY,
- 				PM_QOS_DEFAULT_VALUE);
 +	snprintf(state->out.wake_lock_name, sizeof(state->out.wake_lock_name),
 +		"tegra-audio-spdif");
 +	wake_lock_init(&state->out.wake_lock, WAKE_LOCK_SUSPEND,
 +			state->out.wake_lock_name);
  
  	if (request_irq(state->irq, spdif_interrupt,
  			IRQF_DISABLED, state->pdev->name, state) < 0) {