dac960: Convert to bdops->check_events()

Convert from ->media_changed() to ->check_events().

DAC960 media change notification seems to be one way (once set, never
cleared) and will generate spurious events when polled once the
condition triggers.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Kay Sievers <kay.sievers@vrfy.org>

diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 1f286ab..7988210 100644 (file)
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -140,13 +140,14 @@ static int DAC960_getgeo(struct block_device *bdev, struct hd_geometry *geo)
        return 0;
 }
 
-static int DAC960_media_changed(struct gendisk *disk)
+static unsigned int DAC960_check_events(struct gendisk *disk,
+                                       unsigned int clearing)
 {
        DAC960_Controller_T *p = disk->queue->queuedata;
        int drive_nr = (long)disk->private_data;
 
        if (!p->LogicalDriveInitiallyAccessible[drive_nr])
-               return 1;
+               return DISK_EVENT_MEDIA_CHANGE;
        return 0;
 }
 
@@ -163,7 +164,7 @@ static const struct block_device_operations DAC960_BlockDeviceOperations = {
        .owner                  = THIS_MODULE,
        .open                   = DAC960_open,
        .getgeo                 = DAC960_getgeo,
-       .media_changed          = DAC960_media_changed,
+       .check_events           = DAC960_check_events,
        .revalidate_disk        = DAC960_revalidate_disk,
 };
 
@@ -2546,6 +2547,7 @@ static bool DAC960_RegisterBlockDevice(DAC960_Controller_T *Controller)
        disk->major = MajorNumber;
        disk->first_minor = n << DAC960_MaxPartitionsBits;
        disk->fops = &DAC960_BlockDeviceOperations;
+       disk->events = DISK_EVENT_MEDIA_CHANGE;
    }
   /*
     Indicate the Block Device Registration completed successfully,