Commit d7b0c143 authored Dec 06, 2009 by Saeed Bishara Committed by Jeff Garzik Dec 17, 2009

sata_mv: increase PIO IORDY timeout



The old value (0xbc) in cycles of the IORDY timeout is suitable for
devices with core clock of 166 MHz, but some SoC controllers have
faster core clocks. The new value will make the IORDY timeout large
enough also for all SoC devices.

Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

parent 718deb6b

drivers/ata/sata_mv.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -3393,7 +3393,7 @@ static void mv_soc_reset_hc_port(struct mv_host_priv *hpriv,
		ZERO(0x024); /* respq outp */
		ZERO(0x020); /* respq inp */
		ZERO(0x02c); /* test control */
		writel(0xbc, port_mmio + EDMA_IORDY_TMOUT);
		writel(0x800, port_mmio + EDMA_IORDY_TMOUT);
		}

		#undef ZERO

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