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Commit 5e518810 authored by Alan Cox's avatar Alan Cox Committed by Jeff Garzik
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pata_pdc202xx_old: LBA48 bug 



In LBA48 mode we have to help the controller to get anything to work. The
chip provides a register giving word counts meant for ATAPI use which we
can use. However we need to load the count in words not bytes..

Signed-off-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 8c3c52a8

drivers/ata/pata_pdc202xx_old.c

+1 −1
Original line number Diff line number Diff line
@@ -195,7 +195,7 @@ static void pdc2026x_bmdma_start(struct ata_queued_cmd *qc) 
	/* Cases the state machine will not complete correctly without help */

	if ((tf->flags & ATA_TFLAG_LBA48) ||  tf->protocol == ATA_PROT_ATAPI_DMA)

	{

		len = qc->nbytes;

		len = qc->nbytes / 2;



		if (tf->flags & ATA_TFLAG_WRITE)

			len |= 0x06000000;