diff mbox series

[2/2] microblaze: consolidate GPIO reset handling

Message ID 20180619213620.14146-2-robh@kernel.org
State Accepted
Commit 45df561a7ae2ca5080708cc2cf84a236f4d930ef
Headers show
Series [1/2] microblaze: remove unecessary of_platform_bus_probe call | expand

Commit Message

Rob Herring June 19, 2018, 9:36 p.m. UTC
Now that platform.c only has the GPIO reset handling left, move the
initcall to reset.c and remove platform.c.

Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Rob Herring <robh@kernel.org>

---
 arch/microblaze/include/asm/setup.h |  2 --
 arch/microblaze/kernel/Makefile     |  2 +-
 arch/microblaze/kernel/platform.c   | 22 ----------------------
 arch/microblaze/kernel/reset.c      | 11 ++++++-----
 4 files changed, 7 insertions(+), 30 deletions(-)
 delete mode 100644 arch/microblaze/kernel/platform.c

-- 
2.17.1

Comments

Michal Simek June 21, 2018, 11:51 a.m. UTC | #1
On 19.6.2018 23:36, Rob Herring wrote:
> Now that platform.c only has the GPIO reset handling left, move the

> initcall to reset.c and remove platform.c.

> 

> Cc: Michal Simek <monstr@monstr.eu>

> Signed-off-by: Rob Herring <robh@kernel.org>

> ---

>  arch/microblaze/include/asm/setup.h |  2 --

>  arch/microblaze/kernel/Makefile     |  2 +-

>  arch/microblaze/kernel/platform.c   | 22 ----------------------

>  arch/microblaze/kernel/reset.c      | 11 ++++++-----

>  4 files changed, 7 insertions(+), 30 deletions(-)

>  delete mode 100644 arch/microblaze/kernel/platform.c

> 

> diff --git a/arch/microblaze/include/asm/setup.h b/arch/microblaze/include/asm/setup.h

> index d5384f6f36f7..86d2663d3fd0 100644

> --- a/arch/microblaze/include/asm/setup.h

> +++ b/arch/microblaze/include/asm/setup.h

> @@ -26,8 +26,6 @@ void microblaze_setup_heartbeat(void);

>  extern void mmu_reset(void);

>  #   endif /* CONFIG_MMU */

>  

> -extern void of_platform_reset_gpio_probe(void);

> -

>  void time_init(void);

>  void init_IRQ(void);

>  void machine_early_init(const char *cmdline, unsigned int ram,

> diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile

> index 7e99cf6984a1..6c4c54826aae 100644

> --- a/arch/microblaze/kernel/Makefile

> +++ b/arch/microblaze/kernel/Makefile

> @@ -17,7 +17,7 @@ extra-y := head.o vmlinux.lds

>  

>  obj-y += dma.o exceptions.o \

>  	hw_exception_handler.o irq.o \

> -	platform.o process.o prom.o ptrace.o \

> +	process.o prom.o ptrace.o \

>  	reset.o setup.o signal.o sys_microblaze.o timer.o traps.o unwind.o

>  

>  obj-y += cpu/

> diff --git a/arch/microblaze/kernel/platform.c b/arch/microblaze/kernel/platform.c

> deleted file mode 100644

> index b9a414552d9b..000000000000

> --- a/arch/microblaze/kernel/platform.c

> +++ /dev/null

> @@ -1,22 +0,0 @@

> -/*

> - * Copyright 2008 Michal Simek <monstr@monstr.eu>

> - *

> - * based on virtex.c file

> - *

> - * Copyright 2007 Secret Lab Technologies Ltd.

> - *

> - * This file is licensed under the terms of the GNU General Public License

> - * version 2. This program is licensed "as is" without any warranty of any

> - * kind, whether express or implied.

> - */

> -

> -#include <linux/init.h>

> -#include <linux/of_platform.h>

> -#include <asm/setup.h>

> -

> -static int __init microblaze_device_probe(void)

> -{

> -	of_platform_reset_gpio_probe();

> -	return 0;

> -}

> -device_initcall(microblaze_device_probe);

> diff --git a/arch/microblaze/kernel/reset.c b/arch/microblaze/kernel/reset.c

> index bab4c8330ef4..fcbe1daf6316 100644

> --- a/arch/microblaze/kernel/reset.c

> +++ b/arch/microblaze/kernel/reset.c

> @@ -18,7 +18,7 @@

>  static int handle; /* reset pin handle */

>  static unsigned int reset_val;

>  

> -void of_platform_reset_gpio_probe(void)

> +static int of_platform_reset_gpio_probe(void)

>  {

>  	int ret;

>  	handle = of_get_named_gpio(of_find_node_by_path("/"),

> @@ -27,13 +27,13 @@ void of_platform_reset_gpio_probe(void)

>  	if (!gpio_is_valid(handle)) {

>  		pr_info("Skipping unavailable RESET gpio %d (%s)\n",

>  				handle, "reset");

> -		return;

> +		return -ENODEV;

>  	}

>  

>  	ret = gpio_request(handle, "reset");

>  	if (ret < 0) {

>  		pr_info("GPIO pin is already allocated\n");

> -		return;

> +		return ret;

>  	}

>  

>  	/* get current setup value */

> @@ -51,11 +51,12 @@ void of_platform_reset_gpio_probe(void)

>  

>  	pr_info("RESET: Registered gpio device: %d, current val: %d\n",

>  							handle, reset_val);

> -	return;

> +	return 0;

>  err:

>  	gpio_free(handle);

> -	return;

> +	return ret;

>  }

> +device_initcall(of_platform_reset_gpio_probe);

>  

>  

>  static void gpio_system_reset(void)

> 


Applied.

Thanks,
Michal

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP SoCs
diff mbox series

Patch

diff --git a/arch/microblaze/include/asm/setup.h b/arch/microblaze/include/asm/setup.h
index d5384f6f36f7..86d2663d3fd0 100644
--- a/arch/microblaze/include/asm/setup.h
+++ b/arch/microblaze/include/asm/setup.h
@@ -26,8 +26,6 @@  void microblaze_setup_heartbeat(void);
 extern void mmu_reset(void);
 #   endif /* CONFIG_MMU */
 
-extern void of_platform_reset_gpio_probe(void);
-
 void time_init(void);
 void init_IRQ(void);
 void machine_early_init(const char *cmdline, unsigned int ram,
diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile
index 7e99cf6984a1..6c4c54826aae 100644
--- a/arch/microblaze/kernel/Makefile
+++ b/arch/microblaze/kernel/Makefile
@@ -17,7 +17,7 @@  extra-y := head.o vmlinux.lds
 
 obj-y += dma.o exceptions.o \
 	hw_exception_handler.o irq.o \
-	platform.o process.o prom.o ptrace.o \
+	process.o prom.o ptrace.o \
 	reset.o setup.o signal.o sys_microblaze.o timer.o traps.o unwind.o
 
 obj-y += cpu/
diff --git a/arch/microblaze/kernel/platform.c b/arch/microblaze/kernel/platform.c
deleted file mode 100644
index b9a414552d9b..000000000000
--- a/arch/microblaze/kernel/platform.c
+++ /dev/null
@@ -1,22 +0,0 @@ 
-/*
- * Copyright 2008 Michal Simek <monstr@monstr.eu>
- *
- * based on virtex.c file
- *
- * Copyright 2007 Secret Lab Technologies Ltd.
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
- */
-
-#include <linux/init.h>
-#include <linux/of_platform.h>
-#include <asm/setup.h>
-
-static int __init microblaze_device_probe(void)
-{
-	of_platform_reset_gpio_probe();
-	return 0;
-}
-device_initcall(microblaze_device_probe);
diff --git a/arch/microblaze/kernel/reset.c b/arch/microblaze/kernel/reset.c
index bab4c8330ef4..fcbe1daf6316 100644
--- a/arch/microblaze/kernel/reset.c
+++ b/arch/microblaze/kernel/reset.c
@@ -18,7 +18,7 @@ 
 static int handle; /* reset pin handle */
 static unsigned int reset_val;
 
-void of_platform_reset_gpio_probe(void)
+static int of_platform_reset_gpio_probe(void)
 {
 	int ret;
 	handle = of_get_named_gpio(of_find_node_by_path("/"),
@@ -27,13 +27,13 @@  void of_platform_reset_gpio_probe(void)
 	if (!gpio_is_valid(handle)) {
 		pr_info("Skipping unavailable RESET gpio %d (%s)\n",
 				handle, "reset");
-		return;
+		return -ENODEV;
 	}
 
 	ret = gpio_request(handle, "reset");
 	if (ret < 0) {
 		pr_info("GPIO pin is already allocated\n");
-		return;
+		return ret;
 	}
 
 	/* get current setup value */
@@ -51,11 +51,12 @@  void of_platform_reset_gpio_probe(void)
 
 	pr_info("RESET: Registered gpio device: %d, current val: %d\n",
 							handle, reset_val);
-	return;
+	return 0;
 err:
 	gpio_free(handle);
-	return;
+	return ret;
 }
+device_initcall(of_platform_reset_gpio_probe);
 
 
 static void gpio_system_reset(void)