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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-06-15 18:52:53 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-06-15 18:52:53 +0200 |
| commit | c9ef59ff01b6bd1c7360a64fcc8556a1193c2ed0 (patch) | |
| tree | 5bd24f0d0f720ab29f9a5b5a2156a620e2ff2113 /drivers/ide/ide-xfer-mode.c | |
| parent | 6dae44f9a55f13765c877687602cd2bf1a057cfd (diff) | |
| download | lwn-c9ef59ff01b6bd1c7360a64fcc8556a1193c2ed0.tar.gz lwn-c9ef59ff01b6bd1c7360a64fcc8556a1193c2ed0.zip | |
ide: IORDY handling fixes
Add ide_pio_need_iordy() helper and convert host drivers to use it.
This fixes it8172, it8213, pdc202xx_old, piix, slc90e66 and siimage
host drivers to handle IORDY correctly.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-xfer-mode.c')
| -rw-r--r-- | drivers/ide/ide-xfer-mode.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/ide/ide-xfer-mode.c b/drivers/ide/ide-xfer-mode.c index af44be9d546c..0b47ca139079 100644 --- a/drivers/ide/ide-xfer-mode.c +++ b/drivers/ide/ide-xfer-mode.c @@ -107,6 +107,12 @@ u8 ide_get_best_pio_mode(ide_drive_t *drive, u8 mode_wanted, u8 max_mode) } EXPORT_SYMBOL_GPL(ide_get_best_pio_mode); +int ide_pio_need_iordy(ide_drive_t *drive, const u8 pio) +{ + return ata_id_pio_need_iordy(drive->id, pio); +} +EXPORT_SYMBOL_GPL(ide_pio_need_iordy); + int ide_set_pio_mode(ide_drive_t *drive, const u8 mode) { ide_hwif_t *hwif = drive->hwif; |