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[libata] Improve timeout handling

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On a timeout call a device specific handler early in the recovery so that
we can complete and process successful commands which timed out due to IRQ
loss or the like rather more elegantly.

[Revised to exclude the timeout handling on a few devices that inherit from
 SFF but are not SFF enough to use the default timeout handler]

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Alan Cox
2009-03-24 10:23:46 +00:00
committed by Jeff Garzik
parent 3d47aa8e7e
commit c96f1732e2
10 changed files with 84 additions and 4 deletions
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2
drivers/ata/sata_promise.c
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@@ -176,7 +176,9 @@ static const struct ata_port_operations pdc_common_ops = {
.check_atapi_dma = pdc_check_atapi_dma,
.qc_prep = pdc_qc_prep,
.qc_issue = pdc_qc_issue,
.sff_irq_clear = pdc_irq_clear,
.lost_interrupt = ATA_OP_NULL,
.post_internal_cmd = pdc_post_internal_cmd,
.error_handler = pdc_error_handler,