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5 Commits

Author SHA1 Message Date
Jeff Garzik
ac19bff25b [libata] ensure ->tf_read() hook reads Status and Error registers 
We want ->tf_read() to get a complete snapshot of all taskfile
registers, without requiring the callers to manually call
ata_chk_status() and ata_chk_err() themselves.

This also fixes a minor bug in sata_vsc where the lower bits of the
feature register were incorrectly placed in the HOB (high order bits)
portion of struct ata_taskfile.
 2005-10-29 13:58:21 -04:00
Jeff Garzik
a21a84a375 [libata pdc_adma] minor fixes and cleanups 
Changes mostly from Mark Lord.

- fix bugs in probe-time error handling
- only complete qc if not NULL
- check port-level polling flags
 2005-10-28 15:43:16 -04:00
Jeff Garzik
057ace5e79 libata: const-ification bombing run 
Enforce access rules where appropriate.

If the compiler is smart enough, this may buy us an optimization or two
as a side effect.
 2005-10-22 14:27:05 -04:00
Jeff Garzik
68399bb508 [libata pdc_adma] license update, minor cleanup 
from me: change from OSL+GPL to GPL (with approval)

from Mark: Gets rid of an unneeded control bit, slightly increasing
throughput.
 2005-10-11 01:44:14 -04:00
Mark Lord
edea3ab58f libata: add new driver pdc_adma for PDC ADMA ATA cards 2005-10-10 17:53:58 -04:00