17 files changed, 15 insertions, 37 deletions

diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index 2bdc8c862..4ef7f1cd0 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -116,7 +116,6 @@ endif
 # used for usb & gpio
 config PPC_MPC831x
 	bool
-	select ARCH_WANT_OPTIONAL_GPIOLIB
 
 # used for math-emu
 config PPC_MPC832x
@@ -125,9 +124,7 @@ config PPC_MPC832x
 # used for usb & gpio
 config PPC_MPC834x
 	bool
-	select ARCH_WANT_OPTIONAL_GPIOLIB
 
 # used for usb & gpio
 config PPC_MPC837x
 	bool
-	select ARCH_WANT_OPTIONAL_GPIOLIB
diff --git a/arch/powerpc/platforms/83xx/asp834x.c b/arch/powerpc/platforms/83xx/asp834x.c
index 464ea8e02..17e54339f 100644
--- a/arch/powerpc/platforms/83xx/asp834x.c
+++ b/arch/powerpc/platforms/83xx/asp834x.c
@@ -43,8 +43,7 @@ machine_device_initcall(asp834x, mpc83xx_declare_of_platform_devices);
  */
 static int __init asp834x_probe(void)
 {
-	unsigned long root = of_get_flat_dt_root();
-	return of_flat_dt_is_compatible(root, "analogue-and-micro,asp8347e");
+	return of_machine_is_compatible("analogue-and-micro,asp8347e");
 }
 
 define_machine(asp834x) {
diff --git a/arch/powerpc/platforms/83xx/km83xx.c b/arch/powerpc/platforms/83xx/km83xx.c
index 4bc6bbbe9..e7fbd6366 100644
--- a/arch/powerpc/platforms/83xx/km83xx.c
+++ b/arch/powerpc/platforms/83xx/km83xx.c
@@ -171,11 +171,10 @@ static char *board[] __initdata = {
  */
 static int __init mpc83xx_km_probe(void)
 {
-	unsigned long node = of_get_flat_dt_root();
 	int i = 0;
 
 	while (board[i]) {
-		if (of_flat_dt_is_compatible(node, board[i]))
+		if (of_machine_is_compatible(board[i]))
 			break;
 		i++;
 	}
diff --git a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c
index dbcd0303a..63c5ab648 100644
--- a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c
+++ b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c
@@ -222,7 +222,6 @@ static const struct of_device_id mcu_of_match_table[] = {
 static struct i2c_driver mcu_driver = {
 	.driver = {
 		.name = "mcu-mpc8349emitx",
-		.owner = THIS_MODULE,
 		.of_match_table = mcu_of_match_table,
 	},
 	.probe = mcu_probe,
diff --git a/arch/powerpc/platforms/83xx/misc.c b/arch/powerpc/platforms/83xx/misc.c
index 7e923cad5..8899aa9d1 100644
--- a/arch/powerpc/platforms/83xx/misc.c
+++ b/arch/powerpc/platforms/83xx/misc.c
@@ -35,7 +35,7 @@ static int __init mpc83xx_restart_init(void)
 
 arch_initcall(mpc83xx_restart_init);
 
-void mpc83xx_restart(char *cmd)
+void __noreturn mpc83xx_restart(char *cmd)
 {
 #define RST_OFFSET	0x00000900
 #define RST_PROT_REG	0x00000018
diff --git a/arch/powerpc/platforms/83xx/mpc830x_rdb.c b/arch/powerpc/platforms/83xx/mpc830x_rdb.c
index 4f2d9fea7..040d5d085 100644
--- a/arch/powerpc/platforms/83xx/mpc830x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc830x_rdb.c
@@ -46,7 +46,7 @@ static const char *board[] __initdata = {
  */
 static int __init mpc830x_rdb_probe(void)
 {
-	return of_flat_dt_match(of_get_flat_dt_root(), board);
+	return of_device_compatible_match(of_root, board);
 }
 
 machine_device_initcall(mpc830x_rdb, mpc83xx_declare_of_platform_devices);
diff --git a/arch/powerpc/platforms/83xx/mpc831x_rdb.c b/arch/powerpc/platforms/83xx/mpc831x_rdb.c
index fa25977c5..40e0d8307 100644
--- a/arch/powerpc/platforms/83xx/mpc831x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc831x_rdb.c
@@ -46,7 +46,7 @@ static const char *board[] __initdata = {
  */
 static int __init mpc831x_rdb_probe(void)
 {
-	return of_flat_dt_match(of_get_flat_dt_root(), board);
+	return of_device_compatible_match(of_root, board);
 }
 
 machine_device_initcall(mpc831x_rdb, mpc83xx_declare_of_platform_devices);
diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c
index a973b2ae5..cdfa47c4d 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c
@@ -102,9 +102,7 @@ machine_device_initcall(mpc832x_mds, mpc83xx_declare_of_platform_devices);
  */
 static int __init mpc832x_sys_probe(void)
 {
-        unsigned long root = of_get_flat_dt_root();
-
-        return of_flat_dt_is_compatible(root, "MPC832xMDS");
+	return of_machine_is_compatible("MPC832xMDS");
 }
 
 define_machine(mpc832x_mds) {
diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c
index ea2b87d20..2ef03e7d2 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c
@@ -220,9 +220,7 @@ machine_device_initcall(mpc832x_rdb, mpc83xx_declare_of_platform_devices);
  */
 static int __init mpc832x_rdb_probe(void)
 {
-	unsigned long root = of_get_flat_dt_root();
-
-	return of_flat_dt_is_compatible(root, "MPC832xRDB");
+	return of_machine_is_compatible("MPC832xRDB");
 }
 
 define_machine(mpc832x_rdb) {
diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c
index 80aea8c4b..8fd0c1e8b 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_itx.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c
@@ -70,9 +70,7 @@ static void __init mpc834x_itx_setup_arch(void)
  */
 static int __init mpc834x_itx_probe(void)
 {
-        unsigned long root = of_get_flat_dt_root();
-
-        return of_flat_dt_is_compatible(root, "MPC834xMITX");
+	return of_machine_is_compatible("MPC834xMITX");
 }
 
 define_machine(mpc834x_itx) {
diff --git a/arch/powerpc/platforms/83xx/mpc834x_mds.c b/arch/powerpc/platforms/83xx/mpc834x_mds.c
index 553e793a4..eeaee6123 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_mds.c
@@ -91,9 +91,7 @@ machine_device_initcall(mpc834x_mds, mpc83xx_declare_of_platform_devices);
  */
 static int __init mpc834x_mds_probe(void)
 {
-	unsigned long root = of_get_flat_dt_root();
-
-	return of_flat_dt_is_compatible(root, "MPC834xMDS");
+	return of_machine_is_compatible("MPC834xMDS");
 }
 
 define_machine(mpc834x_mds) {
diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c
index dd70b85f5..dacf4c2df 100644
--- a/arch/powerpc/platforms/83xx/mpc836x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c
@@ -209,9 +209,7 @@ machine_arch_initcall(mpc836x_mds, mpc836x_usb_cfg);
  */
 static int __init mpc836x_mds_probe(void)
 {
-        unsigned long root = of_get_flat_dt_root();
-
-        return of_flat_dt_is_compatible(root, "MPC836xMDS");
+	return of_machine_is_compatible("MPC836xMDS");
 }
 
 define_machine(mpc836x_mds) {
diff --git a/arch/powerpc/platforms/83xx/mpc836x_rdk.c b/arch/powerpc/platforms/83xx/mpc836x_rdk.c
index 4cd7153a6..cf67ac93d 100644
--- a/arch/powerpc/platforms/83xx/mpc836x_rdk.c
+++ b/arch/powerpc/platforms/83xx/mpc836x_rdk.c
@@ -42,9 +42,7 @@ static void __init mpc836x_rdk_setup_arch(void)
  */
 static int __init mpc836x_rdk_probe(void)
 {
-	unsigned long root = of_get_flat_dt_root();
-
-	return of_flat_dt_is_compatible(root, "fsl,mpc8360rdk");
+	return of_machine_is_compatible("fsl,mpc8360rdk");
 }
 
 define_machine(mpc836x_rdk) {
diff --git a/arch/powerpc/platforms/83xx/mpc837x_mds.c b/arch/powerpc/platforms/83xx/mpc837x_mds.c
index e53a60b6c..652b97d69 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_mds.c
@@ -93,9 +93,7 @@ machine_device_initcall(mpc837x_mds, mpc83xx_declare_of_platform_devices);
  */
 static int __init mpc837x_mds_probe(void)
 {
-        unsigned long root = of_get_flat_dt_root();
-
-        return of_flat_dt_is_compatible(root, "fsl,mpc837xmds");
+	return of_machine_is_compatible("fsl,mpc837xmds");
 }
 
 define_machine(mpc837x_mds) {
diff --git a/arch/powerpc/platforms/83xx/mpc837x_rdb.c b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
index 9813c81e8..667731d81 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
@@ -73,7 +73,7 @@ static const char * const board[] __initconst = {
  */
 static int __init mpc837x_rdb_probe(void)
 {
-	return of_flat_dt_match(of_get_flat_dt_root(), board);
+	return of_device_compatible_match(of_root, board);
 }
 
 define_machine(mpc837x_rdb) {
diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
index 0cf74d7ea..ad484199e 100644
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -65,7 +65,7 @@
  * mpc83xx_* files. Mostly for use by mpc83xx_setup
  */
 
-extern void mpc83xx_restart(char *cmd);
+extern void __noreturn mpc83xx_restart(char *cmd);
 extern long mpc83xx_time_init(void);
 extern int mpc837x_usb_cfg(void);
 extern int mpc834x_usb_cfg(void);
diff --git a/arch/powerpc/platforms/83xx/sbc834x.c b/arch/powerpc/platforms/83xx/sbc834x.c
index 26cb3e934..b867e88df 100644
--- a/arch/powerpc/platforms/83xx/sbc834x.c
+++ b/arch/powerpc/platforms/83xx/sbc834x.c
@@ -60,9 +60,7 @@ machine_device_initcall(sbc834x, mpc83xx_declare_of_platform_devices);
  */
 static int __init sbc834x_probe(void)
 {
-	unsigned long root = of_get_flat_dt_root();
-
-	return of_flat_dt_is_compatible(root, "SBC834xE");
+	return of_machine_is_compatible("SBC834xE");
 }
 
 define_machine(sbc834x) {