From 5caf5db887b2bc87d74a78674d8e3e4774fa2a14 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Wed, 2 May 2007 14:48:33 +0200 Subject: 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 Signed-off-by: Linus Torvalds --- drivers/ps3/ps3av.c | 30 ++++++++++++++---------------- 1 file changed, 14 insertions(+), 16 deletions(-) (limited to 'drivers') 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; } -- cgit v1.2.2