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| author | Jes Sorensen <jes@trained-monkey.org> | 2006-01-11 08:39:45 -0500 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.(none)> | 2006-01-14 10:55:12 -0600 |
| commit | a12e25bd59e36d12dcd026ffa3c65d48b5cf5442 (patch) | |
| tree | a09d828f0e552a9e58dfcfae6c877011e92812cf /drivers/scsi/3w-9xxx.c | |
| parent | 3759b788498ffc0b2563181567af4c82d983f921 (diff) | |
| download | op-kernel-dev-a12e25bd59e36d12dcd026ffa3c65d48b5cf5442.zip op-kernel-dev-a12e25bd59e36d12dcd026ffa3c65d48b5cf5442.tar.gz | |
[SCSI] sem2mutex 3w-[x9]xxx
Convert a the 3w-9xxx.c and 3w-xxxx.c drivers to use mutexes instead
of semaphores. Untested, but compiles and looks obviously correct.
Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/3w-9xxx.c')
| -rw-r--r-- | drivers/scsi/3w-9xxx.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index 3ff74f4..31c4975 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -73,6 +73,7 @@ #include <linux/delay.h> #include <linux/pci.h> #include <linux/time.h> +#include <linux/mutex.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/uaccess.h> @@ -615,7 +616,7 @@ static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int void __user *argp = (void __user *)arg; /* Only let one of these through at a time */ - if (down_interruptible(&tw_dev->ioctl_sem)) { + if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) { retval = TW_IOCTL_ERROR_OS_EINTR; goto out; } @@ -852,7 +853,7 @@ out3: /* Now free ioctl buf memory */ dma_free_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_Ioctl_Buf_Apache) - 1, cpu_addr, dma_handle); out2: - up(&tw_dev->ioctl_sem); + mutex_unlock(&tw_dev->ioctl_lock); out: return retval; } /* End twa_chrdev_ioctl() */ @@ -1182,7 +1183,7 @@ static int twa_initialize_device_extension(TW_Device_Extension *tw_dev) tw_dev->error_sequence_id = 1; tw_dev->chrdev_request_id = TW_IOCTL_CHRDEV_FREE; - init_MUTEX(&tw_dev->ioctl_sem); + mutex_init(&tw_dev->ioctl_lock); init_waitqueue_head(&tw_dev->ioctl_wqueue); retval = 0; |
