Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fffe52e86b4ad5f8bdcb284c4ea6c87402967f3d
Commit: fffe52e86b4ad5f8bdcb284c4ea6c87402967f3d
Parent: bd685ac8e78b9bfd4a0145be22a7ff11ab11adef
Author: Geert Uytterhoeven <[EMAIL PROTECTED]>
AuthorDate: Wed May 2 14:48:35 2007 +0200
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Fri May 4 17:59:08 2007 -0700
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 <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
drivers/ps3/ps3av.c | 29 ++++++++++++++++++++++-------
include/asm-powerpc/ps3av.h | 22 +---------------------
2 files changed, 23 insertions(+), 28 deletions(-)
diff --git a/drivers/ps3/ps3av.c b/drivers/ps3/ps3av.c
index d318eab..1a56d39 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;
diff --git a/include/asm-powerpc/ps3av.h b/include/asm-powerpc/ps3av.h
index 5c1b989..1366fc5 100644
--- a/include/asm-powerpc/ps3av.h
+++ b/include/asm-powerpc/ps3av.h
@@ -18,8 +18,6 @@
#ifndef _ASM_POWERPC_PS3AV_H_
#define _ASM_POWERPC_PS3AV_H_
-#include <linux/mutex.h>
-
/** command for ioctl() **/
#define PS3AV_VERSION 0x205 /* version of ps3av command */
@@ -643,25 +641,6 @@ struct ps3av_pkt_avb_param {
u8 buf[PS3AV_PKT_AVB_PARAM_MAX_BUF_SIZE];
};
-struct ps3av {
- int available;
- struct semaphore sem;
- struct work_struct work;
- struct completion done;
- struct workqueue_struct *wq;
- struct mutex mutex;
- 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;
-};
/** command status **/
#define PS3AV_STATUS_SUCCESS 0x0000 /* success */
@@ -719,6 +698,7 @@ static inline void ps3av_cmd_av_monitor_info_dump(const
struct ps3av_pkt_av_get_
extern int ps3av_cmd_video_get_monitor_info(struct
ps3av_pkt_av_get_monitor_info *,
u32);
+struct ps3_vuart_port_device;
extern int ps3av_vuart_write(struct ps3_vuart_port_device *dev,
const void *buf, unsigned long size);
extern int ps3av_vuart_read(struct ps3_vuart_port_device *dev, void *buf,
-
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