diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-18 14:39:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-18 14:39:44 -0700 |
| commit | 9cf52b2921fbe62566b6b2ee79f71203749c9e5e (patch) | |
| tree | 5705ab0af0adfb7043407b5a4ffbf43fcbff42bd /drivers | |
| parent | 952184304fbf030f0133d8b66a91b2847dce729e (diff) | |
| parent | 5c45708352a040f19caceb683c78bc86aad466f6 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC/64]: Consolidate of_register_driver
[SPARC] Videopix Frame Grabber: Convert device_lock_sem to mutex
[SPARC]: Support for new termios.
[SPARC64]: Check of_get_property() return in pci_determine_mem_io_space().
[SPARC64]: Fix boot failures due to bootmem.
[SPARC64]: Implement atomic backoff.
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/of/platform.c | 21 | ||||
| -rw-r--r-- | drivers/sbus/char/vfc.h | 2 | ||||
| -rw-r--r-- | drivers/sbus/char/vfc_dev.c | 5 |
3 files changed, 25 insertions, 3 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 864f09fd9f8..b47bb2d7476 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -12,6 +12,7 @@ * */ #include <linux/errno.h> +#include <linux/module.h> #include <linux/device.h> #include <linux/of_device.h> #include <linux/of_platform.h> @@ -94,3 +95,23 @@ int of_bus_type_init(struct bus_type *bus, const char *name) bus->resume = of_platform_device_resume; return bus_register(bus); } + +int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus) +{ + /* initialize common driver fields */ + if (!drv->driver.name) + drv->driver.name = drv->name; + if (!drv->driver.owner) + drv->driver.owner = drv->owner; + drv->driver.bus = bus; + + /* register with core */ + return driver_register(&drv->driver); +} +EXPORT_SYMBOL(of_register_driver); + +void of_unregister_driver(struct of_platform_driver *drv) +{ + driver_unregister(&drv->driver); +} +EXPORT_SYMBOL(of_unregister_driver); diff --git a/drivers/sbus/char/vfc.h b/drivers/sbus/char/vfc.h index 63941a259b9..f1aa1389ea4 100644 --- a/drivers/sbus/char/vfc.h +++ b/drivers/sbus/char/vfc.h @@ -126,7 +126,7 @@ struct vfc_dev { volatile struct vfc_regs __iomem *regs; struct vfc_regs *phys_regs; unsigned int control_reg; - struct semaphore device_lock_sem; + struct mutex device_lock_mtx; int instance; int busy; unsigned long which_io; diff --git a/drivers/sbus/char/vfc_dev.c b/drivers/sbus/char/vfc_dev.c index 9269f7fbd36..e7a1642b2aa 100644 --- a/drivers/sbus/char/vfc_dev.c +++ b/drivers/sbus/char/vfc_dev.c @@ -22,6 +22,7 @@ #include <linux/fs.h> #include <linux/delay.h> #include <linux/spinlock.h> +#include <linux/mutex.h> #include <linux/mm.h> #include <asm/openprom.h> @@ -54,12 +55,12 @@ static unsigned char saa9051_init_array[VFC_SAA9051_NR] = { void vfc_lock_device(struct vfc_dev *dev) { - down(&dev->device_lock_sem); + mutex_lock(&dev->device_lock_mtx); } void vfc_unlock_device(struct vfc_dev *dev) { - up(&dev->device_lock_sem); + mutex_unlock(&dev->device_lock_mtx); } |