Merge branch 'misc' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc...

[pandora-kernel.git] / drivers / scsi / 3w-xxxx.c

diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index ae9e020..e8e41e6 100644 (file)
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -203,6 +203,7 @@
 #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>
@@ -888,7 +889,7 @@ static int tw_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int
        dprintk(KERN_WARNING "3w-xxxx: tw_chrdev_ioctl()\n");
 
        /* Only let one of these through at a time */
-       if (down_interruptible(&tw_dev->ioctl_sem))
+       if (mutex_lock_interruptible(&tw_dev->ioctl_lock))
                return -EINTR;
 
        /* First copy down the buffer length */
@@ -1029,7 +1030,7 @@ out2:
        /* Now free ioctl buf memory */
        dma_free_coherent(&tw_dev->tw_pci_dev->dev, data_buffer_length_adjusted+sizeof(TW_New_Ioctl) - 1, cpu_addr, dma_handle);
 out:
-       up(&tw_dev->ioctl_sem);
+       mutex_unlock(&tw_dev->ioctl_lock);
        return retval;
 } /* End tw_chrdev_ioctl() */
 
@@ -1270,7 +1271,7 @@ static int tw_initialize_device_extension(TW_Device_Extension *tw_dev)
        tw_dev->pending_tail = TW_Q_START;
        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);
 
        return 0;
@@ -1432,7 +1433,9 @@ static int tw_scsi_eh_reset(struct scsi_cmnd *SCpnt)
 
        tw_dev->num_resets++;
 
-       printk(KERN_WARNING "3w-xxxx: scsi%d: WARNING: Unit #%d: Command (0x%x) timed out, resetting card.\n", tw_dev->host->host_no, SCpnt->device->id, SCpnt->cmnd[0]);
+       sdev_printk(KERN_WARNING, SCpnt->device,
+               "WARNING: Command (0x%x) timed out, resetting card.\n",
+               SCpnt->cmnd[0]);
 
        /* Now reset the card and some of the device extension data */
        if (tw_reset_device_extension(tw_dev, 0)) {
@@ -1505,10 +1508,12 @@ static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id,
        struct scsi_cmnd *cmd = tw_dev->srb[request_id];
        void *buf;
        unsigned int transfer_len;
+       unsigned long flags = 0;
 
        if (cmd->use_sg) {
                struct scatterlist *sg =
                        (struct scatterlist *)cmd->request_buffer;
+               local_irq_save(flags);
                buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
                transfer_len = min(sg->length, len);
        } else {
@@ -1523,6 +1528,7 @@ static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id,
 
                sg = (struct scatterlist *)cmd->request_buffer;
                kunmap_atomic(buf - sg->offset, KM_IRQ0);
+               local_irq_restore(flags);
        }
 }