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libata-sff: separate out BMDMA qc_issue

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Separate out ata_bmdma_qc_issue() from ata_sff_qc_issue() such that
ata_sff_qc_issue() only deals with non-BMDMA SFF protocols (PIO and
nodata) while ata_bmdma_qc_issue() deals with the BMDMA protocols and
uses ata_sff_qc_issue() for non-DMA commands.  All the users are
updated accordingly.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Tejun Heo 2010-05-10 21:41:42 +02:00 • committed by Jeff Garzik
parent f60d70113f
commit 360ff78330
11 changed files with 80 additions and 57 deletions
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1
include/linux/libata.h
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@ -1626,6 +1626,7 @@ extern int ata_pci_sff_init_one(struct pci_dev *pdev,
#endif /* CONFIG_PCI */
extern void ata_bmdma_qc_prep(struct ata_queued_cmd *qc);
extern unsigned int ata_bmdma_qc_issue(struct ata_queued_cmd *qc);
extern void ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc);
extern void ata_bmdma_error_handler(struct ata_port *ap);
extern void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc);