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[PATCH v2 4/6] PCI: Provide wrapper to access a pci_dev's bound driver



Which driver a device is bound to is available twice: In struct
pci_dev::dev->driver and in struct pci_dev::driver. To get rid of the
duplication introduce a wrapper to access struct pci_dev's driver
member. Once all users are converted the wrapper can be changed to
calculate the driver using pci_dev::dev->driver.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
 include/linux/pci.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 540b377ca8f6..778f3b5e6f23 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -887,6 +887,7 @@ struct pci_driver {
 };
 
 #define        to_pci_driver(drv) container_of(drv, struct pci_driver, driver)
+#define pci_driver_of_dev(pdev) ((pdev)->driver)
 
 /**
  * PCI_DEVICE - macro used to describe a specific PCI device
-- 
2.30.2




 


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