libata: ata_timing_compute() fixup

XFER_SW_DMA_0 mode should be excluded from the extended cycle timing computations. Acked-by: Alan Cox <[email protected]> Noticed-by: Sergei Shtylyov <[email protected]> Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]> Signed-off-by: Jeff Garzik <[email protected]>
chrispat · Oct 14, 2011 · bff0025 · bff0025
1 parent 9f8abf8
commit bff0025
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
@@ -2938,7 +2938,7 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed,
 	if (id[ATA_ID_FIELD_VALID] & 2) {	/* EIDE drive */
 		memset(&p, 0, sizeof(p));
 
-		if (speed >= XFER_PIO_0 && speed <= XFER_SW_DMA_0) {
+		if (speed >= XFER_PIO_0 && speed < XFER_SW_DMA_0) {
 			if (speed <= XFER_PIO_2)
 				p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO];
 			else if ((speed <= XFER_PIO_4) ||