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Commit 2555d6c2 authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik
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[PATCH] sata_sil24: put port into known state before softresetting 



Make sure the controller has no pending commands and ready for command
before issuing SRST.

Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent b5bc421c

drivers/scsi/sata_sil24.c

+6 −0
Original line number Diff line number Diff line
@@ -474,6 +474,12 @@ static int sil24_softreset(struct ata_port *ap, unsigned int *class) 
	irq_enable = readl(port + PORT_IRQ_ENABLE_SET);

	writel(irq_enable, port + PORT_IRQ_ENABLE_CLR);



	/* put the port into known state */

	if (sil24_init_port(ap)) {

		reason ="port not ready";

		goto err;

	}



	/*

	 * XXX: Not sure whether the following sleep is needed or not.

	 * The original driver had it.  So....