From b21cb324f141d16833137ef0355f686efb9bd84f Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Sat, 26 Nov 2011 21:11:06 +0800
Subject: [PATCH] char: hw_random: convert drivers/char/hw_random/* to use
 module_platform_driver()

This patch converts the drivers in drivers/char/hw_random/* to use the
module_platform_driver() macro which makes the code smaller and a bit
simpler.

Cc: David S. Miller <davem@davemloft.net>
Cc: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Cc: Matt Mackall <mpm@selenic.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Alexander Clouter <alex@digriz.org.uk>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: David Daney <david.daney@cavium.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/char/hw_random/atmel-rng.c      | 12 +-----------
 drivers/char/hw_random/n2-drv.c         | 13 +------------
 drivers/char/hw_random/octeon-rng.c     | 13 +------------
 drivers/char/hw_random/pasemi-rng.c     | 12 +-----------
 drivers/char/hw_random/picoxcell-rng.c  | 12 +-----------
 drivers/char/hw_random/ppc4xx-rng.c     | 12 +-----------
 drivers/char/hw_random/timeriomem-rng.c | 13 +------------
 7 files changed, 7 insertions(+), 80 deletions(-)

diff --git a/drivers/char/hw_random/atmel-rng.c b/drivers/char/hw_random/atmel-rng.c
index 241df2e76ab..f518b99f53f 100644
--- a/drivers/char/hw_random/atmel-rng.c
+++ b/drivers/char/hw_random/atmel-rng.c
@@ -141,17 +141,7 @@ static struct platform_driver atmel_trng_driver = {
 	},
 };
 
-static int __init atmel_trng_init(void)
-{
-	return platform_driver_register(&atmel_trng_driver);
-}
-module_init(atmel_trng_init);
-
-static void __exit atmel_trng_exit(void)
-{
-	platform_driver_unregister(&atmel_trng_driver);
-}
-module_exit(atmel_trng_exit);
+module_platform_driver(atmel_trng_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Peter Korsgaard <jacmet@sunsite.dk>");
diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c
index c3de70de00d..ebd48f0135d 100644
--- a/drivers/char/hw_random/n2-drv.c
+++ b/drivers/char/hw_random/n2-drv.c
@@ -770,15 +770,4 @@ static struct platform_driver n2rng_driver = {
 	.remove		= __devexit_p(n2rng_remove),
 };
 
-static int __init n2rng_init(void)
-{
-	return platform_driver_register(&n2rng_driver);
-}
-
-static void __exit n2rng_exit(void)
-{
-	platform_driver_unregister(&n2rng_driver);
-}
-
-module_init(n2rng_init);
-module_exit(n2rng_exit);
+module_platform_driver(n2rng_driver);
diff --git a/drivers/char/hw_random/octeon-rng.c b/drivers/char/hw_random/octeon-rng.c
index 9cd0feca318..0943edc782a 100644
--- a/drivers/char/hw_random/octeon-rng.c
+++ b/drivers/char/hw_random/octeon-rng.c
@@ -131,18 +131,7 @@ static struct platform_driver octeon_rng_driver = {
 	.remove		= __exit_p(octeon_rng_remove),
 };
 
-static int __init octeon_rng_mod_init(void)
-{
-	return platform_driver_register(&octeon_rng_driver);
-}
-
-static void __exit octeon_rng_mod_exit(void)
-{
-	platform_driver_unregister(&octeon_rng_driver);
-}
-
-module_init(octeon_rng_mod_init);
-module_exit(octeon_rng_mod_exit);
+module_platform_driver(octeon_rng_driver);
 
 MODULE_AUTHOR("David Daney");
 MODULE_LICENSE("GPL");
diff --git a/drivers/char/hw_random/pasemi-rng.c b/drivers/char/hw_random/pasemi-rng.c
index 1d504815e6d..3a632673aed 100644
--- a/drivers/char/hw_random/pasemi-rng.c
+++ b/drivers/char/hw_random/pasemi-rng.c
@@ -148,17 +148,7 @@ static struct platform_driver rng_driver = {
 	.remove		= rng_remove,
 };
 
-static int __init rng_init(void)
-{
-	return platform_driver_register(&rng_driver);
-}
-module_init(rng_init);
-
-static void __exit rng_exit(void)
-{
-	platform_driver_unregister(&rng_driver);
-}
-module_exit(rng_exit);
+module_platform_driver(rng_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Egor Martovetsky <egor@pasemi.com>");
diff --git a/drivers/char/hw_random/picoxcell-rng.c b/drivers/char/hw_random/picoxcell-rng.c
index 990d55a5e3e..97bd891422c 100644
--- a/drivers/char/hw_random/picoxcell-rng.c
+++ b/drivers/char/hw_random/picoxcell-rng.c
@@ -191,17 +191,7 @@ static struct platform_driver picoxcell_trng_driver = {
 	},
 };
 
-static int __init picoxcell_trng_init(void)
-{
-	return platform_driver_register(&picoxcell_trng_driver);
-}
-module_init(picoxcell_trng_init);
-
-static void __exit picoxcell_trng_exit(void)
-{
-	platform_driver_unregister(&picoxcell_trng_driver);
-}
-module_exit(picoxcell_trng_exit);
+module_platform_driver(picoxcell_trng_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Jamie Iles");
diff --git a/drivers/char/hw_random/ppc4xx-rng.c b/drivers/char/hw_random/ppc4xx-rng.c
index b8afa6a4ff6..c51762c1303 100644
--- a/drivers/char/hw_random/ppc4xx-rng.c
+++ b/drivers/char/hw_random/ppc4xx-rng.c
@@ -139,17 +139,7 @@ static struct platform_driver ppc4xx_rng_driver = {
 	.remove = ppc4xx_rng_remove,
 };
 
-static int __init ppc4xx_rng_init(void)
-{
-	return platform_driver_register(&ppc4xx_rng_driver);
-}
-module_init(ppc4xx_rng_init);
-
-static void __exit ppc4xx_rng_exit(void)
-{
-	platform_driver_unregister(&ppc4xx_rng_driver);
-}
-module_exit(ppc4xx_rng_exit);
+module_platform_driver(ppc4xx_rng_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Josh Boyer <jwboyer@linux.vnet.ibm.com>");
diff --git a/drivers/char/hw_random/timeriomem-rng.c b/drivers/char/hw_random/timeriomem-rng.c
index a8428e6f64a..f1a1618db1f 100644
--- a/drivers/char/hw_random/timeriomem-rng.c
+++ b/drivers/char/hw_random/timeriomem-rng.c
@@ -149,18 +149,7 @@ static struct platform_driver timeriomem_rng_driver = {
 	.remove		= __devexit_p(timeriomem_rng_remove),
 };
 
-static int __init timeriomem_rng_init(void)
-{
-	return platform_driver_register(&timeriomem_rng_driver);
-}
-
-static void __exit timeriomem_rng_exit(void)
-{
-	platform_driver_unregister(&timeriomem_rng_driver);
-}
-
-module_init(timeriomem_rng_init);
-module_exit(timeriomem_rng_exit);
+module_platform_driver(timeriomem_rng_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Alexander Clouter <alex@digriz.org.uk>");
-- 
2.41.0