diff options
Diffstat (limited to 'drivers/ata/sata_nv.c')
| -rw-r--r-- | drivers/ata/sata_nv.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index 0d316eb3c21..f7a963eb1f0 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -270,14 +270,6 @@ static const struct pci_device_id nv_pci_tbl[] = { { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA), GENERIC }, { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA2), GENERIC }, { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA3), GENERIC }, - { PCI_VDEVICE(NVIDIA, 0x045c), GENERIC }, /* MCP65 */ - { PCI_VDEVICE(NVIDIA, 0x045d), GENERIC }, /* MCP65 */ - { PCI_VDEVICE(NVIDIA, 0x045e), GENERIC }, /* MCP65 */ - { PCI_VDEVICE(NVIDIA, 0x045f), GENERIC }, /* MCP65 */ - { PCI_VDEVICE(NVIDIA, 0x0550), GENERIC }, /* MCP67 */ - { PCI_VDEVICE(NVIDIA, 0x0551), GENERIC }, /* MCP67 */ - { PCI_VDEVICE(NVIDIA, 0x0552), GENERIC }, /* MCP67 */ - { PCI_VDEVICE(NVIDIA, 0x0553), GENERIC }, /* MCP67 */ { PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE<<8, 0xffff00, GENERIC }, @@ -708,7 +700,6 @@ static void nv_adma_check_cpb(struct ata_port *ap, int cpb_num, int force_err) static int nv_host_intr(struct ata_port *ap, u8 irq_stat) { struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag); - int handled; /* freeze if hotplugged */ if (unlikely(irq_stat & (NV_INT_ADDED | NV_INT_REMOVED))) { @@ -727,13 +718,7 @@ static int nv_host_intr(struct ata_port *ap, u8 irq_stat) } /* handle interrupt */ - handled = ata_host_intr(ap, qc); - if (unlikely(!handled)) { - /* spurious, clear it */ - ata_check_status(ap); - } - - return 1; + return ata_host_intr(ap, qc); } static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) @@ -760,6 +745,11 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance) if (pp->flags & NV_ADMA_PORT_REGISTER_MODE) { u8 irq_stat = readb(host->mmio_base + NV_INT_STATUS_CK804) >> (NV_INT_PORT_SHIFT * i); + if(ata_tag_valid(ap->active_tag)) + /** NV_INT_DEV indication seems unreliable at times + at least in ADMA mode. Force it on always when a + command is active, to prevent losing interrupts. */ + irq_stat |= NV_INT_DEV; handled += nv_host_intr(ap, irq_stat); continue; } |