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[PATCH] libata: let ATA_FLAG_PIO_POLLING use polling pio for ATA_PROT_NODATA

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Even if ATA_FLAG_PIO_POLLING is set, libata uses irq pio for the ATA_PROT_NODATA protocol.
This patch let ATA_FLAG_PIO_POLLING use polling pio for the ATA_PROT_NODATA protocol.

Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Albert Lee 2006-12-07 11:37:58 +08:00 committed by Jeff Garzik
parent d324d4627d
commit e3472cbe5c
1 changed files with 1 additions and 0 deletions
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drivers/ata/libata-core.c
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@ -4960,6 +4960,7 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc)
if (ap->flags & ATA_FLAG_PIO_POLLING) {
switch (qc->tf.protocol) {
case ATA_PROT_PIO:
case ATA_PROT_NODATA:
case ATA_PROT_ATAPI:
case ATA_PROT_ATAPI_NODATA:
qc->tf.flags |= ATA_TFLAG_POLLING;