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| author | Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> | 2007-05-02 14:48:35 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-04 17:59:08 -0700 |
| commit | fffe52e86b4ad5f8bdcb284c4ea6c87402967f3d (patch) | |
| tree | 614d018e9458bfce1d5d4aae3c2487e4f0ec8cda /drivers/ps3 | |
| parent | bd685ac8e78b9bfd4a0145be22a7ff11ab11adef (diff) | |
| download | linux-stable-fffe52e86b4ad5f8bdcb284c4ea6c87402967f3d.tar.gz linux-stable-fffe52e86b4ad5f8bdcb284c4ea6c87402967f3d.tar.bz2 linux-stable-fffe52e86b4ad5f8bdcb284c4ea6c87402967f3d.zip | |
ps3av: misc updates
ps3av:
- Move the definition of struct ps3av to ps3av.c, as it's locally used only.
- Kill ps3av.sem, use the existing ps3av.mutex instead.
- Make the 512-byte buffer in ps3av_do_pkt() static to reduce stack usage.
Its use is protected by a semaphore anyway.
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.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/ps3/ps3av.c b/drivers/ps3/ps3av.c index d318eabce3c3..1a56d390fcd9 100644 --- a/drivers/ps3/ps3av.c +++ b/drivers/ps3/ps3av.c @@ -38,7 +38,24 @@ static int timeout = 5000; /* in msec ( 5 sec ) */ module_param(timeout, int, 0644); -static struct ps3av ps3av; +static struct ps3av { + int available; + struct mutex mutex; + struct work_struct work; + struct completion done; + struct workqueue_struct *wq; + int open_count; + struct ps3_vuart_port_device *dev; + + int region; + struct ps3av_pkt_av_get_hw_conf av_hw_conf; + u32 av_port[PS3AV_AV_PORT_MAX + PS3AV_OPT_PORT_MAX]; + u32 opt_port[PS3AV_OPT_PORT_MAX]; + u32 head[PS3AV_HEAD_MAX]; + u32 audio_port; + int ps3av_mode; + int ps3av_mode_old; +} ps3av; static struct ps3_vuart_port_device ps3av_dev = { .match_id = PS3_MATCH_ID_AV_SETTINGS @@ -250,7 +267,7 @@ int ps3av_do_pkt(u32 cid, u16 send_len, size_t usr_buf_size, struct ps3av_send_hdr *buf) { int res = 0; - union { + static union { struct ps3av_reply_hdr reply_hdr; u8 raw[PS3AV_BUF_SIZE]; } recv_buf; @@ -259,8 +276,7 @@ int ps3av_do_pkt(u32 cid, u16 send_len, size_t usr_buf_size, BUG_ON(!ps3av.available); - if (down_interruptible(&ps3av.sem)) - return -ERESTARTSYS; + mutex_lock(&ps3av.mutex); table = ps3av_search_cmd_table(cid, PS3AV_CID_MASK); BUG_ON(!table); @@ -290,11 +306,11 @@ int ps3av_do_pkt(u32 cid, u16 send_len, size_t usr_buf_size, goto err; } - up(&ps3av.sem); + mutex_unlock(&ps3av.mutex); return 0; err: - up(&ps3av.sem); + mutex_unlock(&ps3av.mutex); printk(KERN_ERR "%s: failed cid:%x res:%d\n", __FUNCTION__, cid, res); return res; } @@ -872,7 +888,6 @@ static int ps3av_probe(struct ps3_vuart_port_device *dev) memset(&ps3av, 0, sizeof(ps3av)); - init_MUTEX(&ps3av.sem); mutex_init(&ps3av.mutex); ps3av.ps3av_mode = 0; ps3av.dev = dev; |