A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 18:51:56 -04:00
Code Issues Projects Releases Packages Wiki Activity

[PATCH] sem2mutex: misc static one-file mutexes

Browse source 
Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <[email protected]>
Cc: Dave Jones <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Neil Brown <[email protected]>
Acked-by: Alasdair G Kergon <[email protected]>
Cc: Greg KH <[email protected]>
Cc: Dominik Brodowski <[email protected]>
Cc: Adam Belay <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: "David S. Miller" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Ingo Molnar 2006-03-26 01:37:14 -08:00 • committed by Linus Torvalds
commit 14cc3e2b63
20 changed files with 172 additions and 157 deletions
Download patch file Download diff file Expand all files Collapse all files

39
drivers/s390/char/raw3270.c
View file

@ -28,6 +28,7 @@
#include <linux/major.h>
#include <linux/kdev_t.h>
#include <linux/device.h>
#include <linux/mutex.h>
struct class *class3270;
@ -59,7 +60,7 @@ struct raw3270 {
#define RAW3270_FLAGS_CONSOLE 8 /* Device is the console. */
/* Semaphore to protect global data of raw3270 (devices, views, etc). */
static DECLARE_MUTEX(raw3270_sem);
static DEFINE_MUTEX(raw3270_mutex);
/* List of 3270 devices. */
static struct list_head raw3270_devices = LIST_HEAD_INIT(raw3270_devices);
@ -815,7 +816,7 @@ raw3270_setup_device(struct ccw_device *cdev, struct raw3270 *rp, char *ascebc)
* number for it. Note: there is no device with minor 0,
* see special case for fs3270.c:fs3270_open().
*/
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
/* Keep the list sorted. */
minor = RAW3270_FIRSTMINOR;
rp->minor = -1;
@ -832,7 +833,7 @@ raw3270_setup_device(struct ccw_device *cdev, struct raw3270 *rp, char *ascebc)
rp->minor = minor;
list_add_tail(&rp->list, &raw3270_devices);
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
/* No free minor number? Then give up. */
if (rp->minor == -1)
return -EUSERS;
@ -1003,7 +1004,7 @@ raw3270_add_view(struct raw3270_view *view, struct raw3270_fn *fn, int minor)
if (minor <= 0)
return -ENODEV;
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
rc = -ENODEV;
list_for_each_entry(rp, &raw3270_devices, list) {
if (rp->minor != minor)
@ -1024,7 +1025,7 @@ raw3270_add_view(struct raw3270_view *view, struct raw3270_fn *fn, int minor)
spin_unlock_irqrestore(get_ccwdev_lock(rp->cdev), flags);
break;
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
return rc;
}
@ -1038,7 +1039,7 @@ raw3270_find_view(struct raw3270_fn *fn, int minor)
struct raw3270_view *view, *tmp;
unsigned long flags;
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
view = ERR_PTR(-ENODEV);
list_for_each_entry(rp, &raw3270_devices, list) {
if (rp->minor != minor)
@ -1057,7 +1058,7 @@ raw3270_find_view(struct raw3270_fn *fn, int minor)
spin_unlock_irqrestore(get_ccwdev_lock(rp->cdev), flags);
break;
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
return view;
}
@ -1104,7 +1105,7 @@ raw3270_delete_device(struct raw3270 *rp)
struct ccw_device *cdev;
/* Remove from device chain. */
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
if (rp->clttydev)
class_device_destroy(class3270,
MKDEV(IBM_TTY3270_MAJOR, rp->minor));
@ -1112,7 +1113,7 @@ raw3270_delete_device(struct raw3270 *rp)
class_device_destroy(class3270,
MKDEV(IBM_FS3270_MAJOR, rp->minor));
list_del_init(&rp->list);
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
/* Disconnect from ccw_device. */
cdev = rp->cdev;
@ -1208,13 +1209,13 @@ int raw3270_register_notifier(void (*notifier)(int, int))
if (!np)
return -ENOMEM;
np->notifier = notifier;
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
list_add_tail(&np->list, &raw3270_notifier);
list_for_each_entry(rp, &raw3270_devices, list) {
get_device(&rp->cdev->dev);
notifier(rp->minor, 1);
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
return 0;
}
@ -1222,14 +1223,14 @@ void raw3270_unregister_notifier(void (*notifier)(int, int))
{
struct raw3270_notifier *np;
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
list_for_each_entry(np, &raw3270_notifier, list)
if (np->notifier == notifier) {
list_del(&np->list);
kfree(np);
break;
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
}
/*
@ -1256,10 +1257,10 @@ raw3270_set_online (struct ccw_device *cdev)
goto failure;
raw3270_create_attributes(rp);
set_bit(RAW3270_FLAGS_READY, &rp->flags);
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
list_for_each_entry(np, &raw3270_notifier, list)
np->notifier(rp->minor, 1);
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
return 0;
failure:
@ -1307,10 +1308,10 @@ raw3270_remove (struct ccw_device *cdev)
}
spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags);
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
list_for_each_entry(np, &raw3270_notifier, list)
np->notifier(rp->minor, 0);
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
/* Reset 3270 device. */
raw3270_reset_device(rp);
@ -1370,13 +1371,13 @@ raw3270_init(void)
rc = ccw_driver_register(&raw3270_ccw_driver);
if (rc == 0) {
/* Create attributes for early (= console) device. */
down(&raw3270_sem);
mutex_lock(&raw3270_mutex);
class3270 = class_create(THIS_MODULE, "3270");
list_for_each_entry(rp, &raw3270_devices, list) {
get_device(&rp->cdev->dev);
raw3270_create_attributes(rp);
}
up(&raw3270_sem);
mutex_unlock(&raw3270_mutex);
}
return rc;
}