Commit bff00256 authored Oct 13, 2011 by Bartlomiej Zolnierkiewicz Committed by Jeff Garzik Oct 14, 2011

libata: ata_timing_compute() fixup



XFER_SW_DMA_0 mode should be excluded from the extended cycle timing
computations.

Acked-by: Alan Cox <alan@linux.intel.com>
Noticed-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

parent 9f8abf82

drivers/ata/libata-core.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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) \|\|

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