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authorGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>2007-05-02 14:48:33 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-04 17:59:08 -0700
commit5caf5db887b2bc87d74a78674d8e3e4774fa2a14 (patch)
tree4c718b1a7915df85fdeb2cbc47daddfbf66ab973 /drivers/ps3
parenteca28743b74736456bd75e0dabeb7d2df09fc03e (diff)
downloadblackbird-op-linux-5caf5db887b2bc87d74a78674d8e3e4774fa2a14.tar.gz
blackbird-op-linux-5caf5db887b2bc87d74a78674d8e3e4774fa2a14.zip
ps3av: thread updates
ps3av: Replace the kernel_thread and the ping pong semaphores by a singlethread workqueue and a completion. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/ps3')
-rw-r--r--drivers/ps3/ps3av.c30
1 files changed, 14 insertions, 16 deletions
diff --git a/drivers/ps3/ps3av.c b/drivers/ps3/ps3av.c
index d21e04ccb021..d318eabce3c3 100644
--- a/drivers/ps3/ps3av.c
+++ b/drivers/ps3/ps3av.c
@@ -440,7 +440,7 @@ static int ps3av_set_videomode(void)
ps3av_set_av_video_mute(PS3AV_CMD_MUTE_ON);
/* wake up ps3avd to do the actual video mode setting */
- up(&ps3av.ping);
+ queue_work(ps3av.wq, &ps3av.work);
return 0;
}
@@ -515,18 +515,10 @@ static void ps3av_set_videomode_cont(u32 id, u32 old_id)
ps3av_set_av_video_mute(PS3AV_CMD_MUTE_OFF);
}
-static int ps3avd(void *p)
+static void ps3avd(struct work_struct *work)
{
- struct ps3av *info = p;
-
- daemonize("ps3avd");
- while (1) {
- down(&info->ping);
- ps3av_set_videomode_cont(info->ps3av_mode,
- info->ps3av_mode_old);
- up(&info->pong);
- }
- return 0;
+ ps3av_set_videomode_cont(ps3av.ps3av_mode, ps3av.ps3av_mode_old);
+ complete(&ps3av.done);
}
static int ps3av_vid2table_id(int vid)
@@ -725,7 +717,7 @@ int ps3av_set_video_mode(u32 id, int boot)
}
/* set videomode */
- down(&ps3av.pong);
+ wait_for_completion(&ps3av.done);
ps3av.ps3av_mode_old = ps3av.ps3av_mode;
ps3av.ps3av_mode = id;
if (ps3av_set_videomode())
@@ -881,12 +873,16 @@ static int ps3av_probe(struct ps3_vuart_port_device *dev)
memset(&ps3av, 0, sizeof(ps3av));
init_MUTEX(&ps3av.sem);
- init_MUTEX_LOCKED(&ps3av.ping);
- init_MUTEX(&ps3av.pong);
mutex_init(&ps3av.mutex);
ps3av.ps3av_mode = 0;
ps3av.dev = dev;
- kernel_thread(ps3avd, &ps3av, CLONE_KERNEL);
+
+ INIT_WORK(&ps3av.work, ps3avd);
+ init_completion(&ps3av.done);
+ complete(&ps3av.done);
+ ps3av.wq = create_singlethread_workqueue("ps3avd");
+ if (!ps3av.wq)
+ return -ENOMEM;
ps3av.available = 1;
switch (ps3_os_area_get_av_multi_out()) {
@@ -926,6 +922,8 @@ static int ps3av_remove(struct ps3_vuart_port_device *dev)
{
if (ps3av.available) {
ps3av_cmd_fin();
+ if (ps3av.wq)
+ destroy_workqueue(ps3av.wq);
ps3av.available = 0;
}
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