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author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-10 22:39:37 +0200 |
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committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-10-10 22:39:37 +0200 |
commit | e996fc8ae96a822f037e25463cb8dac5b93839f7 (patch) | |
tree | 58a0eee5a2d3fe2704f71c5dc6eea45101974e17 /drivers/ide | |
parent | acaa0f5f675ccf6b8a3a11a933419068b1ea1f46 (diff) | |
download | kernel_samsung_smdk4412-e996fc8ae96a822f037e25463cb8dac5b93839f7.zip kernel_samsung_smdk4412-e996fc8ae96a822f037e25463cb8dac5b93839f7.tar.gz kernel_samsung_smdk4412-e996fc8ae96a822f037e25463cb8dac5b93839f7.tar.bz2 |
ide-floppy: add ide_floppy_set_media_lock() helper
Add ide_floppy_set_media_lock() helper and convert idefloppy_open(),
idefloppy_release() and ide_floppy_lockdoor() to use it.
There should be no functional changes caused by this patch.
Acked-by: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide')
-rw-r--r-- | drivers/ide/ide-floppy.c | 39 |
1 files changed, 16 insertions, 23 deletions
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 38dca45..4bab093 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -1038,6 +1038,17 @@ static ide_driver_t idefloppy_driver = { #endif }; +static void ide_floppy_set_media_lock(ide_drive_t *drive, int on) +{ + struct ide_atapi_pc pc; + + /* IOMEGA Clik! drives do not support lock/unlock commands */ + if ((drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE) == 0) { + idefloppy_create_prevent_cmd(&pc, on); + (void)idefloppy_queue_pc_tail(drive, &pc); + } +} + static int idefloppy_open(struct inode *inode, struct file *filp) { struct gendisk *disk = inode->i_bdev->bd_disk; @@ -1084,12 +1095,9 @@ static int idefloppy_open(struct inode *inode, struct file *filp) ret = -EROFS; goto out_put_floppy; } + drive->atapi_flags |= IDE_AFLAG_MEDIA_CHANGED; - /* IOMEGA Clik! drives do not support lock/unlock commands */ - if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) { - idefloppy_create_prevent_cmd(&pc, 1); - (void) idefloppy_queue_pc_tail(drive, &pc); - } + ide_floppy_set_media_lock(drive, 1); check_disk_change(inode->i_bdev); } else if (drive->atapi_flags & IDE_AFLAG_FORMAT_IN_PROGRESS) { ret = -EBUSY; @@ -1108,17 +1116,11 @@ static int idefloppy_release(struct inode *inode, struct file *filp) struct gendisk *disk = inode->i_bdev->bd_disk; struct ide_floppy_obj *floppy = ide_floppy_g(disk); ide_drive_t *drive = floppy->drive; - struct ide_atapi_pc pc; debug_log("Reached %s\n", __func__); if (floppy->openers == 1) { - /* IOMEGA Clik! drives do not support lock/unlock commands */ - if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) { - idefloppy_create_prevent_cmd(&pc, 0); - (void) idefloppy_queue_pc_tail(drive, &pc); - } - + ide_floppy_set_media_lock(drive, 0); drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS; } @@ -1144,21 +1146,12 @@ static int ide_floppy_lockdoor(ide_drive_t *drive, struct ide_atapi_pc *pc, unsigned long arg, unsigned int cmd) { idefloppy_floppy_t *floppy = drive->driver_data; + int prevent = (arg && cmd != CDROMEJECT) ? 1 : 0; if (floppy->openers > 1) return -EBUSY; - /* The IOMEGA Clik! Drive doesn't support this command - - * no room for an eject mechanism */ - if (!(drive->atapi_flags & IDE_AFLAG_CLIK_DRIVE)) { - int prevent = arg ? 1 : 0; - - if (cmd == CDROMEJECT) - prevent = 0; - - idefloppy_create_prevent_cmd(pc, prevent); - (void) idefloppy_queue_pc_tail(floppy->drive, pc); - } + ide_floppy_set_media_lock(drive, prevent); if (cmd == CDROMEJECT) { idefloppy_create_start_stop_cmd(pc, 2); |