Patchwork [7/9] of: move definition of of_chosen into common code.

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Submitter Grant Likely
Date Feb. 13, 2010, 4:03 p.m.
Message ID <20100213160303.4767.36411.stgit@angua>
Download mbox | patch
Permalink /patch/45260/
State Not Applicable
Delegated to: David Miller
Headers show

Comments

Grant Likely - Feb. 13, 2010, 4:03 p.m.
Rather than defining of_chosen in each arch, it can be defined for all
in driver/of/base.c

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---

 arch/microblaze/include/asm/prom.h |    2 --
 arch/microblaze/kernel/prom.c      |    3 ---
 arch/powerpc/include/asm/prom.h    |    2 --
 arch/powerpc/kernel/prom.c         |    3 ---
 drivers/of/base.c                  |    1 +
 include/linux/of.h                 |    1 +
 6 files changed, 2 insertions(+), 10 deletions(-)


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Benjamin Herrenschmidt - Feb. 14, 2010, 6:12 a.m.
On Sat, 2010-02-13 at 09:03 -0700, Grant Likely wrote:
> Rather than defining of_chosen in each arch, it can be defined for all
> in driver/of/base.c
> 
> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

> ---
> 
>  arch/microblaze/include/asm/prom.h |    2 --
>  arch/microblaze/kernel/prom.c      |    3 ---
>  arch/powerpc/include/asm/prom.h    |    2 --
>  arch/powerpc/kernel/prom.c         |    3 ---
>  drivers/of/base.c                  |    1 +
>  include/linux/of.h                 |    1 +
>  6 files changed, 2 insertions(+), 10 deletions(-)
> 
> diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
> index 8b1ebd3..aa1a437 100644
> --- a/arch/microblaze/include/asm/prom.h
> +++ b/arch/microblaze/include/asm/prom.h
> @@ -26,8 +26,6 @@
>  #include <asm/irq.h>
>  #include <asm/atomic.h>
>  
> -extern struct device_node *of_chosen;
> -
>  #define HAVE_ARCH_DEVTREE_FIXUPS
>  
>  /* Other Prototypes */
> diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
> index a7dcaf0..a15ef6d 100644
> --- a/arch/microblaze/kernel/prom.c
> +++ b/arch/microblaze/kernel/prom.c
> @@ -42,9 +42,6 @@
>  #include <asm/sections.h>
>  #include <asm/pci-bridge.h>
>  
> -/* export that to outside world */
> -struct device_node *of_chosen;
> -
>  void __init early_init_dt_scan_chosen_arch(unsigned long node)
>  {
>  	/* No Microblaze specific code here */
> diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
> index 4a5070e..7f9a50a 100644
> --- a/arch/powerpc/include/asm/prom.h
> +++ b/arch/powerpc/include/asm/prom.h
> @@ -23,8 +23,6 @@
>  #include <asm/irq.h>
>  #include <asm/atomic.h>
>  
> -extern struct device_node *of_chosen;
> -
>  #define HAVE_ARCH_DEVTREE_FIXUPS
>  
>  #ifdef CONFIG_PPC32
> diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
> index 4869c93..43238b2 100644
> --- a/arch/powerpc/kernel/prom.c
> +++ b/arch/powerpc/kernel/prom.c
> @@ -67,9 +67,6 @@ int __initdata iommu_force_on;
>  unsigned long tce_alloc_start, tce_alloc_end;
>  #endif
>  
> -/* export that to outside world */
> -struct device_node *of_chosen;
> -
>  static int __init early_parse_mem(char *p)
>  {
>  	if (!p)
> diff --git a/drivers/of/base.c b/drivers/of/base.c
> index 873479a..cb96888 100644
> --- a/drivers/of/base.c
> +++ b/drivers/of/base.c
> @@ -23,6 +23,7 @@
>  #include <linux/proc_fs.h>
>  
>  struct device_node *allnodes;
> +struct device_node *of_chosen;
>  
>  /* use when traversing tree through the allnext, child, sibling,
>   * or parent members of struct device_node.
> diff --git a/include/linux/of.h b/include/linux/of.h
> index 5cd2840..d34cc5d 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -66,6 +66,7 @@ struct device_node {
>  
>  /* Pointer for first entry in chain of all nodes. */
>  extern struct device_node *allnodes;
> +extern struct device_node *of_chosen;
>  
>  static inline int of_node_check_flag(struct device_node *n, unsigned long flag)
>  {
> 
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Patch

diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
index 8b1ebd3..aa1a437 100644
--- a/arch/microblaze/include/asm/prom.h
+++ b/arch/microblaze/include/asm/prom.h
@@ -26,8 +26,6 @@ 
 #include <asm/irq.h>
 #include <asm/atomic.h>
 
-extern struct device_node *of_chosen;
-
 #define HAVE_ARCH_DEVTREE_FIXUPS
 
 /* Other Prototypes */
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index a7dcaf0..a15ef6d 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -42,9 +42,6 @@ 
 #include <asm/sections.h>
 #include <asm/pci-bridge.h>
 
-/* export that to outside world */
-struct device_node *of_chosen;
-
 void __init early_init_dt_scan_chosen_arch(unsigned long node)
 {
 	/* No Microblaze specific code here */
diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
index 4a5070e..7f9a50a 100644
--- a/arch/powerpc/include/asm/prom.h
+++ b/arch/powerpc/include/asm/prom.h
@@ -23,8 +23,6 @@ 
 #include <asm/irq.h>
 #include <asm/atomic.h>
 
-extern struct device_node *of_chosen;
-
 #define HAVE_ARCH_DEVTREE_FIXUPS
 
 #ifdef CONFIG_PPC32
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 4869c93..43238b2 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -67,9 +67,6 @@  int __initdata iommu_force_on;
 unsigned long tce_alloc_start, tce_alloc_end;
 #endif
 
-/* export that to outside world */
-struct device_node *of_chosen;
-
 static int __init early_parse_mem(char *p)
 {
 	if (!p)
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 873479a..cb96888 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -23,6 +23,7 @@ 
 #include <linux/proc_fs.h>
 
 struct device_node *allnodes;
+struct device_node *of_chosen;
 
 /* use when traversing tree through the allnext, child, sibling,
  * or parent members of struct device_node.
diff --git a/include/linux/of.h b/include/linux/of.h
index 5cd2840..d34cc5d 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -66,6 +66,7 @@  struct device_node {
 
 /* Pointer for first entry in chain of all nodes. */
 extern struct device_node *allnodes;
+extern struct device_node *of_chosen;
 
 static inline int of_node_check_flag(struct device_node *n, unsigned long flag)
 {