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libata: misc updates for AN

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Update AN support in preparation of PMP support.

* s/ata_id_has_AN/ata_id_has_atapi_AN/
* add AN enabled reporting during configuration
* add err_mask to AN configuration failure reporting
* update LOCKING comment for ata_scsi_media_change_notify()
* check whether ATA dev is attached to SCSI dev ata_scsi_media_change_notify()
* set ATA_FLAG_AN in ahci and sata_sil24

Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Kriten Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo
2007-09-23 13:14:11 +09:00
committed by Jeff Garzik
parent c78968bb0f
commit 854c73a2f1
5 changed files with 31 additions and 17 deletions
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include/linux/ata.h
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@@ -353,7 +353,7 @@ struct ata_taskfile {
#define ata_id_queue_depth(id) (((id)[75] & 0x1f) + 1)
#define ata_id_removeable(id) ((id)[0] & (1 << 7))
#define ata_id_has_dword_io(id) ((id)[48] & (1 << 0))
#define ata_id_has_AN(id) \
#define ata_id_has_atapi_AN(id) \
( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \
((id)[78] & (1 << 5)) )
#define ata_id_iordy_disable(id) ((id)[49] & (1 << 10))