Commit 06460aea authored Aug 17, 2005 by Tejun Heo Committed by Jeff Garzik Aug 17, 2005

[PATCH] sil24: add testing for PCI fault



03_sil24_add-pci-fault-check.patch

	On entry to interrupt handler, PORT_SLOT_STAT register is read
        first.  Check if PCI fault or device removal has occurred by
        testing the value for 0xffffffff.

Signed-off-by: Tejun Heo <htejun@gmail.com>

 sata_sil24.c |    6 ++++++
 1 files changed, 6 insertions(+)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

parent 3cc4571c

drivers/scsi/sata_sil24.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -527,6 +527,12 @@ static irqreturn_t sil24_interrupt(int irq, void dev_instance, struct pt_regs

		status = readl(hpriv->host_base + HOST_IRQ_STAT);

		if (status == 0xffffffff) {
		printk(KERN_ERR DRV_NAME ": IRQ status == 0xffffffff, "
		"PCI fault or device removal?\n");
		goto out;
		}

		if (!(status & IRQ_STAT_4PORTS))
		goto out;