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[PATCH] libata CHS: calculate read/write commands and protocol on the fly (revise #6)

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- merge ata_prot_to_cmd() and ata_dev_set_protocol() as
       ata_rwcmd_protocol()
     - pave road for read/write multiple support
     - remove usage of pre-cached command and protocol values and call
       ata_rwcmd_protocol() instead

Signed-off-by: Albert Lee <albertcc@tw.ibm.com>

==============
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Albert Lee
2005-10-12 15:06:27 +08:00
committed by Jeff Garzik
parent 07506697d1
commit 8cbd6df1f0
5 changed files with 50 additions and 79 deletions
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drivers/scsi/libata.h
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@ -42,6 +42,7 @@ extern int atapi_enabled;
extern int ata_qc_complete_noop(struct ata_queued_cmd *qc, u8 drv_stat);
extern struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
struct ata_device *dev);
extern void ata_rwcmd_protocol(struct ata_queued_cmd *qc);
extern void ata_qc_free(struct ata_queued_cmd *qc);
extern int ata_qc_issue(struct ata_queued_cmd *qc);
extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);