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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-07-23 19:55:54 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-07-23 19:55:54 +0200
commit1823649b5abb77ffe638178bc5253249d3ecd17d (patch)
tree154d876b89cf010568d18105913c7fbca8d7cba9 /drivers/ide/ide-iops.c
parent88a72109b2256bf2974f324a8f890b4a06faf7e9 (diff)
ide: add ide_read_bcount_and_ireason() helper
Add ide_read_bcount_and_ireason() helper and use it instead of ->INB in {cdrom_newpc,ide_pc}_intr(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-iops.c')
-rw-r--r--drivers/ide/ide-iops.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 113db874473..cb11c7861a5 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -405,6 +405,21 @@ u8 ide_read_error(ide_drive_t *drive)
}
EXPORT_SYMBOL_GPL(ide_read_error);
+void ide_read_bcount_and_ireason(ide_drive_t *drive, u16 *bcount, u8 *ireason)
+{
+ ide_task_t task;
+
+ memset(&task, 0, sizeof(task));
+ task.tf_flags = IDE_TFLAG_IN_LBAH | IDE_TFLAG_IN_LBAM |
+ IDE_TFLAG_IN_NSECT;
+
+ drive->hwif->tf_read(drive, &task);
+
+ *bcount = (task.tf.lbah << 8) | task.tf.lbam;
+ *ireason = task.tf.nsect & 3;
+}
+EXPORT_SYMBOL_GPL(ide_read_bcount_and_ireason);
+
void ide_fix_driveid (struct hd_driveid *id)
{
#ifndef __LITTLE_ENDIAN