[PATCH] IB/ipath: use vmalloc to allocate struct ipath_devdata

[linux-2.6] / drivers / infiniband / hw / ipath / ipath_driver.c

diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index 290080b2c8f1eac519a591894d5ebfbf3fee4b42..c92f8e0a117a8d97f5f23505e247f658f898d0b0 100644 (file)
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -171,14 +171,13 @@ static void ipath_free_devdata(struct pci_dev *pdev,
                list_del(&dd->ipath_list);
                spin_unlock_irqrestore(&ipath_devs_lock, flags);
        }
-       dma_free_coherent(&pdev->dev, sizeof(*dd), dd, dd->ipath_dma_addr);
+       vfree(dd);
 }
 
 static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev)
 {
        unsigned long flags;
        struct ipath_devdata *dd;
-       dma_addr_t dma_addr;
        int ret;
 
        if (!idr_pre_get(&unit_table, GFP_KERNEL)) {
@@ -186,15 +185,12 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev)
                goto bail;
        }
 
-       dd = dma_alloc_coherent(&pdev->dev, sizeof(*dd), &dma_addr,
-                               GFP_KERNEL);
-
+       dd = vmalloc(sizeof(*dd));
        if (!dd) {
                dd = ERR_PTR(-ENOMEM);
                goto bail;
        }
-
-       dd->ipath_dma_addr = dma_addr;
+       memset(dd, 0, sizeof(*dd));
        dd->ipath_unit = -1;
 
        spin_lock_irqsave(&ipath_devs_lock, flags);
@@ -425,12 +421,29 @@ static int __devinit ipath_init_one(struct pci_dev *pdev,
                 */
                ret = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
                if (ret) {
-                       dev_info(&pdev->dev, "pci_set_dma_mask unit %u "
-                                "fails: %d\n", dd->ipath_unit, ret);
+                       dev_info(&pdev->dev,
+                               "Unable to set DMA mask for unit %u: %d\n",
+                               dd->ipath_unit, ret);
                        goto bail_regions;
                }
-               else
+               else {
                        ipath_dbg("No 64bit DMA mask, used 32 bit mask\n");
+                       ret = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+                       if (ret)
+                               dev_info(&pdev->dev,
+                                       "Unable to set DMA consistent mask "
+                                       "for unit %u: %d\n",
+                                       dd->ipath_unit, ret);
+
+               }
+       }
+       else {
+               ret = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+               if (ret)
+                       dev_info(&pdev->dev,
+                               "Unable to set DMA consistent mask "
+                               "for unit %u: %d\n",
+                               dd->ipath_unit, ret);
        }
 
        pci_set_master(pdev);
@@ -1639,7 +1652,7 @@ void ipath_shutdown_device(struct ipath_devdata *dd)
        /* disable IBC */
        dd->ipath_control &= ~INFINIPATH_C_LINKENABLE;
        ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
-                        dd->ipath_control);
+                        dd->ipath_control | INFINIPATH_C_FREEZEMODE);
 
        /*
         * clear SerdesEnable and turn the leds off; do this here because