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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-18 02:46:26 +0400 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-18 02:46:26 +0400 |
| commit | 7616c0ad2087c7d244b8985390c63059a6223c45 (patch) | |
| tree | c65d7e5dce8b6ec314b56ad2903c8760e2659753 /include | |
| parent | 3ad6776cca21f2456b7288f44f224b344ac3c4d0 (diff) | |
| download | linux-7616c0ad2087c7d244b8985390c63059a6223c45.tar.xz | |
ide: add ide_atapi_{discard_data,write_zeros} inline helpers
Add ide_atapi_{discard_data,write_zeros} inline helpers to <linux/ide.h>
and use them instead of home-brewn helpers in ide-{floppy,tape,scsi}.
There should be no functional changes caused by this patch.
Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ide.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index f4c7db572a16..2eb99cab4a3d 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1297,4 +1297,26 @@ static inline u8 ide_read_error(ide_drive_t *drive) return hwif->INB(hwif->io_ports[IDE_ERROR_OFFSET]); } +/* + * Too bad. The drive wants to send us data which we are not ready to accept. + * Just throw it away. + */ +static inline void ide_atapi_discard_data(ide_drive_t *drive, unsigned bcount) +{ + ide_hwif_t *hwif = drive->hwif; + + /* FIXME: use ->atapi_input_bytes */ + while (bcount--) + (void)hwif->INB(hwif->io_ports[IDE_DATA_OFFSET]); +} + +static inline void ide_atapi_write_zeros(ide_drive_t *drive, unsigned bcount) +{ + ide_hwif_t *hwif = drive->hwif; + + /* FIXME: use ->atapi_output_bytes */ + while (bcount--) + hwif->OUTB(0, hwif->io_ports[IDE_DATA_OFFSET]); +} + #endif /* _IDE_H */ |