[libata sata_mv] handle lack of hardware nIEN support

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Handle errata (it was unintentional on this h/w, whereas its intentional
on others) whereby the nIEN bit in Device Control is ignored, leading to
a situation where a hardware interrupt completes the qc before the
polling code has a chance to.

This will get fixed The Right Way(tm) once Albert Lee's irq-pio
branch is merged, as the more natural PIO method on this hardware is
interrupt-driven.

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This commit is contained in:

Jeff Garzik 2005-11-17 05:44:44 -05:00

parent 22374677d1

commit a2c91a8819

1 changed files with 6 additions and 1 deletions

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drivers/scsi/sata_mv.c

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