[PATCH] mtd: denali: Use module_pci_driver

Vaishali Thakkar vthakkar1994 at gmail.com
Tue Jul 7 00:23:45 PDT 2015


Use module_pci_driver for drivers whose init and exit functions
only register and unregister, respectively.

A simplified version of the Coccinelle semantic patch that performs
this transformation is as follows:

@a@
identifier f, x;
@@
-static f(...) { return pci_register_driver(&x); }

@b depends on a@
identifier e, a.x;
@@
-static e(...) { pci_unregister_driver(&x); }

@c depends on a && b@
identifier a.f;
declarer name module_init;
@@
-module_init(f);

@d depends on a && b && c@
identifier b.e, a.x;
declarer name module_exit;
declarer name module_pci_driver;
@@
-module_exit(e);
+module_pci_driver(x);

Signed-off-by: Vaishali Thakkar <vthakkar1994 at gmail.com>
---
 drivers/mtd/nand/denali_pci.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/mtd/nand/denali_pci.c b/drivers/mtd/nand/denali_pci.c
index 6e2f387..a47a14c 100644
--- a/drivers/mtd/nand/denali_pci.c
+++ b/drivers/mtd/nand/denali_pci.c
@@ -128,15 +128,4 @@ static struct pci_driver denali_pci_driver = {
 	.probe = denali_pci_probe,
 	.remove = denali_pci_remove,
 };
-
-static int denali_init_pci(void)
-{
-	return pci_register_driver(&denali_pci_driver);
-}
-module_init(denali_init_pci);
-
-static void denali_exit_pci(void)
-{
-	pci_unregister_driver(&denali_pci_driver);
-}
-module_exit(denali_exit_pci);
+module_pci_driver(denali_pci_driver);
-- 
1.9.1




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