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libata-sff: separate out BMDMA irq handler

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Separate out BMDMA irq handler from SFF irq handler.  The misnamed
host_intr() functions are renamed to ata_sff_port_intr() and
ata_bmdma_port_intr().  Common parts are factored into
__ata_sff_port_intr() and __ata_sff_interrupt() and used by sff and
bmdma interrupt routines.

All BMDMA drivers now use ata_bmdma_interrupt() or
ata_bmdma_port_intr() while all non-BMDMA SFF ones use
ata_sff_interrupt() or ata_sff_port_intr().

For now, ata_pci_sff_init_one() uses ata_bmdma_interrupt() as it's
used by both SFF and BMDMA drivers.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Tejun Heo
2010-05-19 22:10:21 +02:00
committed by Jeff Garzik
parent 37f65b8bc2
commit c3b2889424
22 changed files with 155 additions and 100 deletions
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drivers/ata/sata_vsc.c
+1 -1
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@@ -245,7 +245,7 @@ static void vsc_port_intr(u8 port_status, struct ata_port *ap)
qc = ata_qc_from_tag(ap, ap->link.active_tag);
if (qc && likely(!(qc->tf.flags & ATA_TFLAG_POLLING)))
handled = ata_sff_host_intr(ap, qc);
handled = ata_bmdma_port_intr(ap, qc);
/* We received an interrupt during a polled command,
* or some other spurious condition. Interrupt reporting