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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-23 19:55:53 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-23 19:55:53 +0200 |
| commit | 92eb43800a3c1300bd5cb8a2a27e6f2a84f7042e (patch) | |
| tree | 6c4b7253d2e799f260d7858b99addd0cdac978d2 /drivers/ide/ide-iops.c | |
| parent | 40f095f0138ea5b5971e5128b27e1bb907161149 (diff) | |
| download | blackbird-op-linux-92eb43800a3c1300bd5cb8a2a27e6f2a84f7042e.tar.gz blackbird-op-linux-92eb43800a3c1300bd5cb8a2a27e6f2a84f7042e.zip | |
ide: use ->tf_read in ide_read_error()
* Add IDE_TFLAG_IN_FEATURE taskfile flag for reading Feature
register and handle it in ->tf_read.
* Convert ide_read_error() to use ->tf_read instead of ->INB,
then uninline and export it.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-iops.c')
| -rw-r--r-- | drivers/ide/ide-iops.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 1983b353eb16..113db8744736 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -241,6 +241,8 @@ static void ide_tf_read(ide_drive_t *drive, ide_task_t *task) /* be sure we're looking at the low order bits */ tf_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr); + if (task->tf_flags & IDE_TFLAG_IN_FEATURE) + tf->feature = tf_inb(io_ports->feature_addr); if (task->tf_flags & IDE_TFLAG_IN_NSECT) tf->nsect = tf_inb(io_ports->nsect_addr); if (task->tf_flags & IDE_TFLAG_IN_LBAL) @@ -390,6 +392,19 @@ void default_hwif_transport(ide_hwif_t *hwif) hwif->output_data = ata_output_data; } +u8 ide_read_error(ide_drive_t *drive) +{ + ide_task_t task; + + memset(&task, 0, sizeof(task)); + task.tf_flags = IDE_TFLAG_IN_FEATURE; + + drive->hwif->tf_read(drive, &task); + + return task.tf.error; +} +EXPORT_SYMBOL_GPL(ide_read_error); + void ide_fix_driveid (struct hd_driveid *id) { #ifndef __LITTLE_ENDIAN |
