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Commit 1c954a4d authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik
Browse files

ahci: clean up PORT_IRQ_BAD_PMP enabling 



Now that we have pp->intr_mask, move PORT_IRQ_BAD_PMP enabling to
ahci_pmp_attach/detach() where it belongs.

Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 75da6d2b

drivers/ata/ahci.c

+10 −5
Original line number Diff line number Diff line
@@ -1620,11 +1620,8 @@ static void ahci_thaw(struct ata_port *ap) 
	writel(tmp, port_mmio + PORT_IRQ_STAT);

	writel(1 << ap->port_no, mmio + HOST_IRQ_STAT);



	/* turn IRQ back on, ignore BAD_PMP if PMP isn't attached */

	tmp = pp->intr_mask;

	if (!ap->nr_pmp_links)

		tmp &= ~PORT_IRQ_BAD_PMP;

	writel(tmp, port_mmio + PORT_IRQ_MASK);

	/* turn IRQ back on */

	writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);

}



static void ahci_error_handler(struct ata_port *ap)
@@ -1667,21 +1664,29 @@ static void ahci_post_internal_cmd(struct ata_queued_cmd *qc) 
static void ahci_pmp_attach(struct ata_port *ap)

{

	void __iomem *port_mmio = ahci_port_base(ap);

	struct ahci_port_priv *pp = ap->private_data;

	u32 cmd;



	cmd = readl(port_mmio + PORT_CMD);

	cmd |= PORT_CMD_PMP;

	writel(cmd, port_mmio + PORT_CMD);



	pp->intr_mask |= PORT_IRQ_BAD_PMP;

	writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);

}



static void ahci_pmp_detach(struct ata_port *ap)

{

	void __iomem *port_mmio = ahci_port_base(ap);

	struct ahci_port_priv *pp = ap->private_data;

	u32 cmd;



	cmd = readl(port_mmio + PORT_CMD);

	cmd &= ~PORT_CMD_PMP;

	writel(cmd, port_mmio + PORT_CMD);



	pp->intr_mask &= ~PORT_IRQ_BAD_PMP;

	writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);

}



static int ahci_pmp_read(struct ata_device *dev, int pmp, int reg, u32 *r_val)