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[PATCH] libata: add a function to decide if we need iordy

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This ought to be simple but for PIO2 we have to poke around the drive
data to get it 100% correct.

Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Alan Cox 2006-01-09 17:18:14 +00:00 • committed by Jeff Garzik
commit 1bc4ccfff8
2 changed files with 36 additions and 0 deletions
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2
include/linux/libata.h
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@ -499,6 +499,8 @@ extern int ata_scsi_slave_config(struct scsi_device *sdev);
/*
* Timing helpers
*/
extern unsigned int ata_pio_need_iordy(const struct ata_device *);
extern int ata_timing_compute(struct ata_device *, unsigned short,
struct ata_timing *, int, int);
extern void ata_timing_merge(const struct ata_timing *,