4 files changed, 0 insertions, 116 deletions

diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c
index 5fa4779a1956..381209a9dc2d 100644
--- a/drivers/staging/android/sync.c
+++ b/drivers/staging/android/sync.c
@@ -300,44 +300,6 @@ struct sync_file *sync_file_merge(const char *name,
 }
 EXPORT_SYMBOL(sync_file_merge);
 
-int sync_file_wait(struct sync_file *sync_file, long timeout)
-{
-	long ret;
-	int i;
-
-	if (timeout < 0)
-		timeout = MAX_SCHEDULE_TIMEOUT;
-	else
-		timeout = msecs_to_jiffies(timeout);
-
-	trace_sync_wait(sync_file, 1);
-	for (i = 0; i < sync_file->num_fences; ++i)
-		trace_fence(sync_file->cbs[i].fence);
-	ret = wait_event_interruptible_timeout(sync_file->wq,
-					       atomic_read(&sync_file->status) <= 0,
-					       timeout);
-	trace_sync_wait(sync_file, 0);
-
-	if (ret < 0) {
-		return ret;
-	} else if (ret == 0) {
-		if (timeout) {
-			pr_info("sync_file timeout on [%p] after %dms\n",
-				sync_file, jiffies_to_msecs(timeout));
-			sync_dump();
-		}
-		return -ETIME;
-	}
-
-	ret = atomic_read(&sync_file->status);
-	if (ret) {
-		pr_info("sync_file error %ld on [%p]\n", ret, sync_file);
-		sync_dump();
-	}
-	return ret;
-}
-EXPORT_SYMBOL(sync_file_wait);
-
 static const char *android_fence_get_driver_name(struct fence *fence)
 {
 	struct sync_timeline *parent = fence_parent(fence);
@@ -478,17 +440,6 @@ static unsigned int sync_file_poll(struct file *file, poll_table *wait)
 	return 0;
 }
 
-static long sync_file_ioctl_wait(struct sync_file *sync_file,
-				  unsigned long arg)
-{
-	__s32 value;
-
-	if (copy_from_user(&value, (void __user *)arg, sizeof(value)))
-		return -EFAULT;
-
-	return sync_file_wait(sync_file, value);
-}
-
 static long sync_file_ioctl_merge(struct sync_file *sync_file,
 				   unsigned long arg)
 {
@@ -629,9 +580,6 @@ static long sync_file_ioctl(struct file *file, unsigned int cmd,
 	struct sync_file *sync_file = file->private_data;
 
 	switch (cmd) {
-	case SYNC_IOC_WAIT:
-		return sync_file_ioctl_wait(sync_file, arg);
-
 	case SYNC_IOC_MERGE:
 		return sync_file_ioctl_merge(sync_file, arg);
 
diff --git a/drivers/staging/android/sync.h b/drivers/staging/android/sync.h
index 8980b5580fb3..af1af998949c 100644
--- a/drivers/staging/android/sync.h
+++ b/drivers/staging/android/sync.h
@@ -18,7 +18,6 @@
 #include <linux/ktime.h>
 #include <linux/list.h>
 #include <linux/spinlock.h>
-#include <linux/wait.h>
 #include <linux/fence.h>
 
 #include "uapi/sync.h"
@@ -230,18 +229,6 @@ void sync_file_put(struct sync_file *sync_file);
  */
 void sync_file_install(struct sync_file *sync_file, int fd);
 
-/**
- * sync_file_wait() - wait on sync file
- * @sync_file:	file to wait on
- * @tiemout:	timeout in ms
- *
- * Wait for @sync_file to be signaled or have an error. Waits indefinitely
- * if @timeout < 0.
- *
- * Returns 0 if fence signaled, > 0 if it is still active and <0 on error
- */
-int sync_file_wait(struct sync_file *sync_file, long timeout);
-
 #ifdef CONFIG_DEBUG_FS
 
 void sync_timeline_debug_add(struct sync_timeline *obj);
diff --git a/drivers/staging/android/trace/sync.h b/drivers/staging/android/trace/sync.h
index 87c60e9f584e..a0f80f41677e 100644
--- a/drivers/staging/android/trace/sync.h
+++ b/drivers/staging/android/trace/sync.h
@@ -32,50 +32,6 @@ TRACE_EVENT(sync_timeline,
 	TP_printk("name=%s value=%s", __get_str(name), __entry->value)
 );
 
-TRACE_EVENT(sync_wait,
-	TP_PROTO(struct sync_file *sync_file, int begin),
-
-	TP_ARGS(sync_file, begin),
-
-	TP_STRUCT__entry(
-			__string(name, sync_file->name)
-			__field(s32, status)
-			__field(u32, begin)
-	),
-
-	TP_fast_assign(
-			__assign_str(name, sync_file->name);
-			__entry->status = atomic_read(&sync_file->status);
-			__entry->begin = begin;
-	),
-
-	TP_printk("%s name=%s state=%d", __entry->begin ? "begin" : "end",
-			__get_str(name), __entry->status)
-);
-
-TRACE_EVENT(fence,
-	TP_PROTO(struct fence *fence),
-
-	TP_ARGS(fence),
-
-	TP_STRUCT__entry(
-		__string(timeline, fence->ops->get_timeline_name(fence))
-		__array(char, value, 32)
-	),
-
-	TP_fast_assign(
-		__assign_str(timeline, fence->ops->get_timeline_name(fence));
-		if (fence->ops->fence_value_str) {
-			fence->ops->fence_value_str(fence, __entry->value,
-							sizeof(__entry->value));
-		} else {
-			__entry->value[0] = '\0';
-		}
-	),
-
-	TP_printk("name=%s value=%s", __get_str(timeline), __entry->value)
-);
-
 #endif /* if !defined(_TRACE_SYNC_H) || defined(TRACE_HEADER_MULTI_READ) */
 
 /* This part must be outside protection */
diff --git a/drivers/staging/android/uapi/sync.h b/drivers/staging/android/uapi/sync.h
index 73deb6907ce1..6c88c8080d1e 100644
--- a/drivers/staging/android/uapi/sync.h
+++ b/drivers/staging/android/uapi/sync.h
@@ -65,13 +65,6 @@ struct sync_file_info_data {
 #define SYNC_IOC_MAGIC		'>'
 
 /**
- * DOC: SYNC_IOC_WAIT - wait for a fence to signal
- *
- * pass timeout in milliseconds.  Waits indefinitely timeout < 0.
- */
-#define SYNC_IOC_WAIT		_IOW(SYNC_IOC_MAGIC, 0, __s32)
-
-/**
  * DOC: SYNC_IOC_MERGE - merge two fences
  *
  * Takes a struct sync_merge_data.  Creates a new fence containing copies of