Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc

[linux-2.6] / drivers / ide / ide-disk.c

diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 7fff773f2df77ece16e19644346c771b6864516b..b1304a7f3e0acfea5bb2ab900a0f0f1ab75e0169 100644 (file)
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -1037,6 +1037,17 @@ static void ide_disk_release(struct kref *kref)
 
 static int ide_disk_probe(ide_drive_t *drive);
 
+/*
+ * On HPA drives the capacity needs to be
+ * reinitilized on resume otherwise the disk
+ * can not be used and a hard reset is required
+ */
+static void ide_disk_resume(ide_drive_t *drive)
+{
+       if (idedisk_supports_hpa(drive->id))
+               init_idedisk_capacity(drive);
+}
+
 static void ide_device_shutdown(ide_drive_t *drive)
 {
 #ifdef CONFIG_ALPHA
@@ -1071,6 +1082,7 @@ static ide_driver_t idedisk_driver = {
        },
        .probe                  = ide_disk_probe,
        .remove                 = ide_disk_remove,
+       .resume                 = ide_disk_resume,
        .shutdown               = ide_device_shutdown,
        .version                = IDEDISK_VERSION,
        .media                  = ide_disk,
@@ -1178,11 +1190,11 @@ static int idedisk_ioctl(struct inode *inode, struct file *file,
        return generic_ide_ioctl(drive, file, bdev, cmd, arg);
 
 read_val:
-       down(&ide_setting_sem);
+       mutex_lock(&ide_setting_mtx);
        spin_lock_irqsave(&ide_lock, flags);
        err = *val;
        spin_unlock_irqrestore(&ide_lock, flags);
-       up(&ide_setting_sem);
+       mutex_unlock(&ide_setting_mtx);
        return err >= 0 ? put_user(err, (long __user *)arg) : err;
 
 set_val:
@@ -1192,9 +1204,9 @@ set_val:
                if (!capable(CAP_SYS_ADMIN))
                        err = -EACCES;
                else {
-                       down(&ide_setting_sem);
+                       mutex_lock(&ide_setting_mtx);
                        err = setfunc(drive, arg);
-                       up(&ide_setting_sem);
+                       mutex_unlock(&ide_setting_mtx);
                }
        }
        return err;