Merge branch 'fixes-for-grant' of git://sources.calxeda.com/kernel/linux into devicet...

[mv-sheeva.git] / drivers / pci / iov.c

diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index b82c155d7b37f539eb85ce28512219a6b701cf52..0dab5ecf61bb26ad1c7b96684f56b52e7442928d 100644 (file)
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -283,6 +283,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
        struct resource *res;
        struct pci_dev *pdev;
        struct pci_sriov *iov = dev->sriov;
+       int bars = 0;
 
        if (!nr_virtfn)
                return 0;
@@ -307,6 +308,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 
        nres = 0;
        for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
+               bars |= (1 << (i + PCI_IOV_RESOURCES));
                res = dev->resource + PCI_IOV_RESOURCES + i;
                if (res->parent)
                        nres++;
@@ -324,6 +326,11 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
                return -ENOMEM;
        }
 
+       if (pci_enable_resources(dev, bars)) {
+               dev_err(&dev->dev, "SR-IOV: IOV BARS not allocated\n");
+               return -ENOMEM;
+       }
+
        if (iov->link != dev->devfn) {
                pdev = pci_get_slot(dev->bus, iov->link);
                if (!pdev)
@@ -341,10 +348,10 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
        }
 
        iov->ctrl |= PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE;
-       pci_block_user_cfg_access(dev);
+       pci_cfg_access_lock(dev);
        pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl);
        msleep(100);
-       pci_unblock_user_cfg_access(dev);
+       pci_cfg_access_unlock(dev);
 
        iov->initial = initial;
        if (nr_virtfn < initial)
@@ -372,10 +379,10 @@ failed:
                virtfn_remove(dev, j, 0);
 
        iov->ctrl &= ~(PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE);
-       pci_block_user_cfg_access(dev);
+       pci_cfg_access_lock(dev);
        pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl);
        ssleep(1);
-       pci_unblock_user_cfg_access(dev);
+       pci_cfg_access_unlock(dev);
 
        if (iov->link != dev->devfn)
                sysfs_remove_link(&dev->dev.kobj, "dep_link");
@@ -398,10 +405,10 @@ static void sriov_disable(struct pci_dev *dev)
                virtfn_remove(dev, i, 0);
 
        iov->ctrl &= ~(PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE);
-       pci_block_user_cfg_access(dev);
+       pci_cfg_access_lock(dev);
        pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl);
        ssleep(1);
-       pci_unblock_user_cfg_access(dev);
+       pci_cfg_access_unlock(dev);
 
        if (iov->link != dev->devfn)
                sysfs_remove_link(&dev->dev.kobj, "dep_link");
@@ -445,7 +452,6 @@ static int sriov_init(struct pci_dev *dev, int pos)
 
 found:
        pci_write_config_word(dev, pos + PCI_SRIOV_CTRL, ctrl);
-       pci_write_config_word(dev, pos + PCI_SRIOV_NUM_VF, total);
        pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &offset);
        pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &stride);
        if (!offset || (total > 1 && !stride))