PCI: Remove struct pci_dev->driver

There are no remaining uses of the struct pci_dev->driver pointer, so
remove it.

Link: https://lore.kernel.org/r/20211004125935.2300113-12-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index b919c53..3da121c 100644 (file)
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -319,12 +319,10 @@ static long local_pci_probe(void *_ddi)
         * its remove routine.
         */
        pm_runtime_get_sync(dev);
-       pci_dev->driver = pci_drv;
        rc = pci_drv->probe(pci_dev, ddi->id);
        if (!rc)
                return rc;
        if (rc < 0) {
-               pci_dev->driver = NULL;
                pm_runtime_put_sync(dev);
                return rc;
        }
@@ -390,7 +388,6 @@ static int pci_call_probe(struct pci_driver *drv, struct pci_dev *dev,
  * @pci_dev: PCI device being probed
  *
  * returns 0 on success, else error.
- * side-effect: pci_dev->driver is set to drv when drv claims pci_dev.
  */
 static int __pci_device_probe(struct pci_driver *drv, struct pci_dev *pci_dev)
 {
@@ -465,7 +462,6 @@ static void pci_device_remove(struct device *dev)
                pm_runtime_put_noidle(dev);
        }
        pcibios_free_irq(pci_dev);
-       pci_dev->driver = NULL;
        pci_iov_remove(pci_dev);
 
        /* Undo the runtime PM settings in local_pci_probe() */

diff --git a/include/linux/pci.h b/include/linux/pci.h
index a2d6216..03bfdb2 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -342,7 +342,6 @@ struct pci_dev {
        u16             pcie_flags_reg; /* Cached PCIe Capabilities Register */
        unsigned long   *dma_alias_mask;/* Mask of enabled devfn aliases */
 
-       struct pci_driver *driver;      /* Driver bound to this device */
        u64             dma_mask;       /* Mask of the bits of bus address this
                                           device implements.  Normally this is
                                           0xffffffff.  You only need to change