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ide: add ide_pad_transfer() helper

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* Add ide_pad_transfer() helper (which uses ->{in,out}put_data methods
  internally so the transfer is also padded to drive+host requirements)
  and use it instead of ide_atapi_{write_zeros,discard_data}().

* Remove no longer needed ide_atapi_{write_zeros,discard_data}().

Cc: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-04-28 23:44:41 +02:00
commit 9f87abe892
5 changed files with 24 additions and 33 deletions
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25
include/linux/ide.h
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@ -827,6 +827,8 @@ void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int,
void ide_execute_pkt_cmd(ide_drive_t *);
void ide_pad_transfer(ide_drive_t *, int, int);
ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8);
ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, byte stat);
@ -1359,27 +1361,4 @@ static inline u8 ide_read_error(ide_drive_t *drive)
return hwif->INB(hwif->io_ports.error_addr);
}
/*
* 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 ->input_data */
while (bcount--)
(void)hwif->INB(hwif->io_ports.data_addr);
}
static inline void ide_atapi_write_zeros(ide_drive_t *drive, unsigned bcount)
{
ide_hwif_t *hwif = drive->hwif;
/* FIXME: use ->output_data */
while (bcount--)
hwif->OUTB(0, hwif->io_ports.data_addr);
}
#endif /* _IDE_H */