Merge branch 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wirel...

[linux-2.6-omap-h63xx.git] / drivers / ata / sata_nv.c

diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 0d316eb3c2149da3ac09266985dc7624f92f84db..f7a963eb1f028ea77a7ce4576d64c3c595faa574 100644 (file)
--- 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;
                        }