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authorTejun Heo <tj@kernel.org>2011-03-09 19:54:28 +0100
committerTejun Heo <tj@kernel.org>2011-03-09 19:54:28 +0100
commitb1b56b93f331bd61492fdb99e7986f7a528ca730 (patch)
treee3740806510666f11d62befd0d7d917be1bc573d /drivers/block/paride/pcd.c
parent1c27030bd21e7e2c68ef5be9f28c63778cf4b27f (diff)
paride: Convert to bdops->check_events()
Convert paride drivers from ->media_changed() to ->check_events(). pcd and pd buffer and clear events after reporting; however, pf unconditionally reports MEDIA_CHANGE and will generate spurious events when polled. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Jens Axboe <axboe@kernel.dk> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Tim Waugh <tim@cyberelk.net>
Diffstat (limited to 'drivers/block/paride/pcd.c')
-rw-r--r--drivers/block/paride/pcd.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 62cec6afd7a..2f2ccf68625 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -172,7 +172,8 @@ module_param_array(drive3, int, NULL, 0);
static int pcd_open(struct cdrom_device_info *cdi, int purpose);
static void pcd_release(struct cdrom_device_info *cdi);
static int pcd_drive_status(struct cdrom_device_info *cdi, int slot_nr);
-static int pcd_media_changed(struct cdrom_device_info *cdi, int slot_nr);
+static unsigned int pcd_check_events(struct cdrom_device_info *cdi,
+ unsigned int clearing, int slot_nr);
static int pcd_tray_move(struct cdrom_device_info *cdi, int position);
static int pcd_lock_door(struct cdrom_device_info *cdi, int lock);
static int pcd_drive_reset(struct cdrom_device_info *cdi);
@@ -257,10 +258,11 @@ static int pcd_block_ioctl(struct block_device *bdev, fmode_t mode,
return ret;
}
-static int pcd_block_media_changed(struct gendisk *disk)
+static unsigned int pcd_block_check_events(struct gendisk *disk,
+ unsigned int clearing)
{
struct pcd_unit *cd = disk->private_data;
- return cdrom_media_changed(&cd->info);
+ return cdrom_check_events(&cd->info, clearing);
}
static const struct block_device_operations pcd_bdops = {
@@ -268,14 +270,14 @@ static const struct block_device_operations pcd_bdops = {
.open = pcd_block_open,
.release = pcd_block_release,
.ioctl = pcd_block_ioctl,
- .media_changed = pcd_block_media_changed,
+ .check_events = pcd_block_check_events,
};
static struct cdrom_device_ops pcd_dops = {
.open = pcd_open,
.release = pcd_release,
.drive_status = pcd_drive_status,
- .media_changed = pcd_media_changed,
+ .check_events = pcd_check_events,
.tray_move = pcd_tray_move,
.lock_door = pcd_lock_door,
.get_mcn = pcd_get_mcn,
@@ -318,6 +320,7 @@ static void pcd_init_units(void)
disk->first_minor = unit;
strcpy(disk->disk_name, cd->name); /* umm... */
disk->fops = &pcd_bdops;
+ disk->events = DISK_EVENT_MEDIA_CHANGE;
}
}
@@ -502,13 +505,14 @@ static int pcd_packet(struct cdrom_device_info *cdi, struct packet_command *cgc)
#define DBMSG(msg) ((verbose>1)?(msg):NULL)
-static int pcd_media_changed(struct cdrom_device_info *cdi, int slot_nr)
+static unsigned int pcd_check_events(struct cdrom_device_info *cdi,
+ unsigned int clearing, int slot_nr)
{
struct pcd_unit *cd = cdi->handle;
int res = cd->changed;
if (res)
cd->changed = 0;
- return res;
+ return res ? DISK_EVENT_MEDIA_CHANGE : 0;
}
static int pcd_lock_door(struct cdrom_device_info *cdi, int lock)