diff options
| -rw-r--r-- | drivers/ide/ide-io.c | 23 | ||||
| -rw-r--r-- | drivers/ide/ide-iops.c | 25 | ||||
| -rw-r--r-- | include/linux/ide.h | 2 |
3 files changed, 23 insertions, 27 deletions
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index d90cf5d0814..835cf646bb0 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -887,6 +887,29 @@ static void ide_plug_device(ide_drive_t *drive) spin_unlock_irqrestore(q->queue_lock, flags); } +static int drive_is_ready(ide_drive_t *drive) +{ + ide_hwif_t *hwif = drive->hwif; + u8 stat = 0; + + if (drive->waiting_for_dma) + return hwif->dma_ops->dma_test_irq(drive); + + if (hwif->io_ports.ctl_addr && + (hwif->host_flags & IDE_HFLAG_BROKEN_ALTSTATUS) == 0) + stat = hwif->tp_ops->read_altstatus(hwif); + else + /* Note: this may clear a pending IRQ!! */ + stat = hwif->tp_ops->read_status(hwif); + + if (stat & ATA_BUSY) + /* drive busy: definitely not interrupting */ + return 0; + + /* drive ready: *might* be interrupting */ + return 1; +} + /** * ide_timer_expiry - handle lack of an IDE interrupt * @data: timer callback magic (hwif) diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index cd1f2e464c4..ee9c6034278 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -438,31 +438,6 @@ void ide_fixstring (u8 *s, const int bytecount, const int byteswap) EXPORT_SYMBOL(ide_fixstring); -int drive_is_ready (ide_drive_t *drive) -{ - ide_hwif_t *hwif = drive->hwif; - u8 stat = 0; - - if (drive->waiting_for_dma) - return hwif->dma_ops->dma_test_irq(drive); - - if (hwif->io_ports.ctl_addr && - (hwif->host_flags & IDE_HFLAG_BROKEN_ALTSTATUS) == 0) - stat = hwif->tp_ops->read_altstatus(hwif); - else - /* Note: this may clear a pending IRQ!! */ - stat = hwif->tp_ops->read_status(hwif); - - if (stat & ATA_BUSY) - /* drive busy: definitely not interrupting */ - return 0; - - /* drive ready: *might* be interrupting */ - return 1; -} - -EXPORT_SYMBOL(drive_is_ready); - /* * This routine busy-waits for the drive status to be not "busy". * It then checks the status for all of the "good" bits and none diff --git a/include/linux/ide.h b/include/linux/ide.h index 6bb104f4e34..2e95adeedff 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1200,8 +1200,6 @@ void SELECT_MASK(ide_drive_t *, int); u8 ide_read_error(ide_drive_t *); void ide_read_bcount_and_ireason(ide_drive_t *, u16 *, u8 *); -extern int drive_is_ready(ide_drive_t *); - int ide_check_atapi_device(ide_drive_t *, const char *); void ide_init_pc(struct ide_atapi_pc *); |