PCI: Remove reset argument from pci_iov_{add,remove}_virtfn()

The "reset" argument passed to pci_iov_add_virtfn() and
pci_iov_remove_virtfn() is always zero since 46cb7b1bd86f ("PCI: Remove
unused SR-IOV VF Migration support")

Remove the argument together with the associated code.

Signed-off-by: Jan H. Schönherr <jschoenh@amazon.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Russell Currey <ruscur@russell.cc>

diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index 8b84019..4e1b433 100644 (file)
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -441,7 +441,7 @@ static void *eeh_add_virt_device(void *data, void *userdata)
        }
 
 #ifdef CONFIG_PPC_POWERNV
-       pci_iov_add_virtfn(edev->physfn, pdn->vf_index, 0);
+       pci_iov_add_virtfn(edev->physfn, pdn->vf_index);
 #endif
        return NULL;
 }
@@ -499,7 +499,7 @@ static void *eeh_rmv_device(void *data, void *userdata)
 #ifdef CONFIG_PPC_POWERNV
                struct pci_dn *pdn = eeh_dev_to_pdn(edev);
 
-               pci_iov_remove_virtfn(edev->physfn, pdn->vf_index, 0);
+               pci_iov_remove_virtfn(edev->physfn, pdn->vf_index);
                edev->pdev = NULL;
 
                /*

diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index ac41c8b..996bf3b 100644 (file)
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -113,7 +113,7 @@ resource_size_t pci_iov_resource_size(struct pci_dev *dev, int resno)
        return dev->sriov->barsz[resno - PCI_IOV_RESOURCES];
 }
 
-int pci_iov_add_virtfn(struct pci_dev *dev, int id, int reset)
+int pci_iov_add_virtfn(struct pci_dev *dev, int id)
 {
        int i;
        int rc = -ENOMEM;
@@ -157,9 +157,6 @@ int pci_iov_add_virtfn(struct pci_dev *dev, int id, int reset)
                BUG_ON(rc);
        }
 
-       if (reset)
-               __pci_reset_function(virtfn);
-
        pci_device_add(virtfn, virtfn->bus);
 
        pci_bus_add_device(virtfn);
@@ -187,7 +184,7 @@ failed:
        return rc;
 }
 
-void pci_iov_remove_virtfn(struct pci_dev *dev, int id, int reset)
+void pci_iov_remove_virtfn(struct pci_dev *dev, int id)
 {
        char buf[VIRTFN_ID_LEN];
        struct pci_dev *virtfn;
@@ -198,11 +195,6 @@ void pci_iov_remove_virtfn(struct pci_dev *dev, int id, int reset)
        if (!virtfn)
                return;
 
-       if (reset) {
-               device_release_driver(&virtfn->dev);
-               __pci_reset_function(virtfn);
-       }
-
        sprintf(buf, "virtfn%u", id);
        sysfs_remove_link(&dev->dev.kobj, buf);
        /*
@@ -317,7 +309,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
        pci_cfg_access_unlock(dev);
 
        for (i = 0; i < initial; i++) {
-               rc = pci_iov_add_virtfn(dev, i, 0);
+               rc = pci_iov_add_virtfn(dev, i);
                if (rc)
                        goto failed;
        }
@@ -329,7 +321,7 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
 
 failed:
        while (i--)
-               pci_iov_remove_virtfn(dev, i, 0);
+               pci_iov_remove_virtfn(dev, i);
 
 err_pcibios:
        iov->ctrl &= ~(PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE);
@@ -356,7 +348,7 @@ static void sriov_disable(struct pci_dev *dev)
                return;
 
        for (i = 0; i < iov->num_VFs; i++)
-               pci_iov_remove_virtfn(dev, i, 0);
+               pci_iov_remove_virtfn(dev, i);
 
        iov->ctrl &= ~(PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE);
        pci_cfg_access_lock(dev);

diff --git a/include/linux/pci.h b/include/linux/pci.h
index f4f8ee5..75ac2af 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1958,8 +1958,8 @@ int pci_iov_virtfn_devfn(struct pci_dev *dev, int id);
 
 int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn);
 void pci_disable_sriov(struct pci_dev *dev);
-int pci_iov_add_virtfn(struct pci_dev *dev, int id, int reset);
-void pci_iov_remove_virtfn(struct pci_dev *dev, int id, int reset);
+int pci_iov_add_virtfn(struct pci_dev *dev, int id);
+void pci_iov_remove_virtfn(struct pci_dev *dev, int id);
 int pci_num_vf(struct pci_dev *dev);
 int pci_vfs_assigned(struct pci_dev *dev);
 int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs);
@@ -1976,12 +1976,12 @@ static inline int pci_iov_virtfn_devfn(struct pci_dev *dev, int id)
 }
 static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
 { return -ENODEV; }
-static inline int pci_iov_add_virtfn(struct pci_dev *dev, int id, int reset)
+static inline int pci_iov_add_virtfn(struct pci_dev *dev, int id)
 {
        return -ENOSYS;
 }
 static inline void pci_iov_remove_virtfn(struct pci_dev *dev,
-                                        int id, int reset) { }
+                                        int id) { }
 static inline void pci_disable_sriov(struct pci_dev *dev) { }
 static inline int pci_num_vf(struct pci_dev *dev) { return 0; }
 static inline int pci_vfs_assigned(struct pci_dev *dev)