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-rw-r--r--drivers/ata/libata-sff.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 3cc385d..a4700af 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -2379,7 +2379,7 @@ void ata_sff_error_handler(struct ata_port *ap)
ata_reset_fn_t hardreset = ap->ops->hardreset;
struct ata_queued_cmd *qc;
unsigned long flags;
- int thaw = 0;
+ bool thaw = false;
qc = __ata_qc_from_tag(ap, ap->link.active_tag);
if (qc && !(qc->flags & ATA_QCFLAG_FAILED))
@@ -2405,15 +2405,22 @@ void ata_sff_error_handler(struct ata_port *ap)
if (qc->err_mask == AC_ERR_TIMEOUT
&& (host_stat & ATA_DMA_ERR)) {
qc->err_mask = AC_ERR_HOST_BUS;
- thaw = 1;
+ thaw = true;
}
ap->ops->bmdma_stop(qc);
+
+ /* if we're gonna thaw, make sure IRQ is clear */
+ if (thaw) {
+ ap->ops->sff_check_status(ap);
+ ap->ops->sff_irq_clear(ap);
+
+ spin_unlock_irqrestore(ap->lock, flags);
+ ata_eh_thaw_port(ap);
+ spin_lock_irqsave(ap->lock, flags);
+ }
}
- ata_sff_sync(ap); /* FIXME: We don't need this */
- ap->ops->sff_check_status(ap);
- ap->ops->sff_irq_clear(ap);
/* We *MUST* do FIFO draining before we issue a reset as several
* devices helpfully clear their internal state and will lock solid
* if we touch the data port post reset. Pass qc in case anyone wants
@@ -2424,9 +2431,6 @@ void ata_sff_error_handler(struct ata_port *ap)
spin_unlock_irqrestore(ap->lock, flags);
- if (thaw)
- ata_eh_thaw_port(ap);
-
/* PIO and DMA engines have been stopped, perform recovery */
/* Ignore ata_sff_softreset if ctl isn't accessible and
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