diff options
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/ahci.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 694eabcb932..6633c7422fc 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -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) |