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| author | Tejun Heo <tj@kernel.org> | 2011-03-09 19:54:28 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2011-03-09 19:54:28 +0100 |
| commit | 1c27030bd21e7e2c68ef5be9f28c63778cf4b27f (patch) | |
| tree | 16308baa3d530d52d517e77e4d9f797647deb2e6 /drivers/cdrom/gdrom.c | |
| parent | floppy,{ami|ata}flop: Convert to bdops->check_events() (diff) | |
| download | linux-1c27030bd21e7e2c68ef5be9f28c63778cf4b27f.tar.xz linux-1c27030bd21e7e2c68ef5be9f28c63778cf4b27f.zip | |
gdrom,viocd: Convert to bdops->check_events()
Convert gdrom and viocd from ->media_changed() to ->check_events().
It's unclear how the conditions are cleared and it's possible that it
may 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>
Diffstat (limited to 'drivers/cdrom/gdrom.c')
| -rw-r--r-- | drivers/cdrom/gdrom.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c index 64a21461c408..b2b034fea34e 100644 --- a/drivers/cdrom/gdrom.c +++ b/drivers/cdrom/gdrom.c @@ -395,10 +395,12 @@ static int gdrom_drivestatus(struct cdrom_device_info *cd_info, int ignore) return CDS_NO_INFO; } -static int gdrom_mediachanged(struct cdrom_device_info *cd_info, int ignore) +static unsigned int gdrom_check_events(struct cdrom_device_info *cd_info, + unsigned int clearing, int ignore) { /* check the sense key */ - return (__raw_readb(GDROM_ERROR_REG) & 0xF0) == 0x60; + return (__raw_readb(GDROM_ERROR_REG) & 0xF0) == 0x60 ? + DISK_EVENT_MEDIA_CHANGE : 0; } /* reset the G1 bus */ @@ -483,7 +485,7 @@ static struct cdrom_device_ops gdrom_ops = { .open = gdrom_open, .release = gdrom_release, .drive_status = gdrom_drivestatus, - .media_changed = gdrom_mediachanged, + .check_events = gdrom_check_events, .get_last_session = gdrom_get_last_session, .reset = gdrom_hardreset, .audio_ioctl = gdrom_audio_ioctl, @@ -509,9 +511,10 @@ static int gdrom_bdops_release(struct gendisk *disk, fmode_t mode) return 0; } -static int gdrom_bdops_mediachanged(struct gendisk *disk) +static unsigned int gdrom_bdops_check_events(struct gendisk *disk, + unsigned int clearing) { - return cdrom_media_changed(gd.cd_info); + return cdrom_check_events(gd.cd_info, clearing); } static int gdrom_bdops_ioctl(struct block_device *bdev, fmode_t mode, @@ -530,7 +533,7 @@ static const struct block_device_operations gdrom_bdops = { .owner = THIS_MODULE, .open = gdrom_bdops_open, .release = gdrom_bdops_release, - .media_changed = gdrom_bdops_mediachanged, + .check_events = gdrom_bdops_check_events, .ioctl = gdrom_bdops_ioctl, }; @@ -800,6 +803,7 @@ static int __devinit probe_gdrom(struct platform_device *devptr) goto probe_fail_cdrom_register; } gd.disk->fops = &gdrom_bdops; + gd.disk->events = DISK_EVENT_MEDIA_CHANGE; /* latch on to the interrupt */ err = gdrom_set_interrupt_handlers(); if (err) |