2013-09-26 18:51:39

by Rob Herring

[permalink] [raw]
Subject: [PATCH 14/21] of: implement of_node_to_nid as a weak function

From: Rob Herring <[email protected]>

Implement of_node_to_nid as weak function to remove the dependency on
asm/prom.h. This is in preparation to make prom.h optional.

Signed-off-by: Rob Herring <[email protected]>
---
arch/powerpc/include/asm/prom.h | 7 -------
arch/sparc/include/asm/prom.h | 4 ----
drivers/of/base.c | 7 +++++++
include/linux/of.h | 11 ++++-------
4 files changed, 11 insertions(+), 18 deletions(-)

diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
index bd215f7..6707c16 100644
--- a/arch/powerpc/include/asm/prom.h
+++ b/arch/powerpc/include/asm/prom.h
@@ -42,13 +42,6 @@ extern void kdump_move_device_tree(void);
/* cache lookup */
struct device_node *of_find_next_cache_node(struct device_node *np);

-#ifdef CONFIG_NUMA
-extern int of_node_to_nid(struct device_node *device);
-#else
-static inline int of_node_to_nid(struct device_node *device) { return 0; }
-#endif
-#define of_node_to_nid of_node_to_nid
-
extern void of_instantiate_rtc(void);

extern int of_get_ibm_chip_id(struct device_node *np);
diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h
index 67c6257..60c8d7b 100644
--- a/arch/sparc/include/asm/prom.h
+++ b/arch/sparc/include/asm/prom.h
@@ -43,10 +43,6 @@ extern int of_getintprop_default(struct device_node *np,
const char *name,
int def);
extern int of_find_in_proplist(const char *list, const char *match, int len);
-#ifdef CONFIG_NUMA
-extern int of_node_to_nid(struct device_node *dp);
-#define of_node_to_nid of_node_to_nid
-#endif

extern void prom_build_devicetree(void);
extern void of_populate_present_mask(void);
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 865d3f6..ced4c06 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -74,6 +74,13 @@ int of_n_size_cells(struct device_node *np)
}
EXPORT_SYMBOL(of_n_size_cells);

+#ifdef CONFIG_NUMA
+int __weak of_node_to_nid(struct device_node *np)
+{
+ return numa_node_id();
+}
+#endif
+
#if defined(CONFIG_OF_DYNAMIC)
/**
* of_node_get - Increment refcount of a node
diff --git a/include/linux/of.h b/include/linux/of.h
index f95aee3..4d294a0 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -534,13 +534,10 @@ static inline const char *of_prop_next_string(struct property *prop,
#define of_match_node(_matches, _node) NULL
#endif /* CONFIG_OF */

-#ifndef of_node_to_nid
-static inline int of_node_to_nid(struct device_node *np)
-{
- return numa_node_id();
-}
-
-#define of_node_to_nid of_node_to_nid
+#if defined(CONFIG_OF) && defined(CONFIG_NUMA)
+extern int of_node_to_nid(struct device_node *np);
+#else
+static inline int of_node_to_nid(struct device_node *device) { return 0; }
#endif

/**
--
1.8.1.2


2013-10-04 10:33:59

by Grant Likely

[permalink] [raw]
Subject: Re: [PATCH 14/21] of: implement of_node_to_nid as a weak function

On Thu, 26 Sep 2013 13:50:49 -0500, Rob Herring <[email protected]> wrote:
> From: Rob Herring <[email protected]>
>
> Implement of_node_to_nid as weak function to remove the dependency on
> asm/prom.h. This is in preparation to make prom.h optional.
>
> Signed-off-by: Rob Herring <[email protected]>

Acked-by: Grant Likely <[email protected]>

> ---
> arch/powerpc/include/asm/prom.h | 7 -------
> arch/sparc/include/asm/prom.h | 4 ----
> drivers/of/base.c | 7 +++++++
> include/linux/of.h | 11 ++++-------
> 4 files changed, 11 insertions(+), 18 deletions(-)
>
> diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
> index bd215f7..6707c16 100644
> --- a/arch/powerpc/include/asm/prom.h
> +++ b/arch/powerpc/include/asm/prom.h
> @@ -42,13 +42,6 @@ extern void kdump_move_device_tree(void);
> /* cache lookup */
> struct device_node *of_find_next_cache_node(struct device_node *np);
>
> -#ifdef CONFIG_NUMA
> -extern int of_node_to_nid(struct device_node *device);
> -#else
> -static inline int of_node_to_nid(struct device_node *device) { return 0; }
> -#endif
> -#define of_node_to_nid of_node_to_nid
> -
> extern void of_instantiate_rtc(void);
>
> extern int of_get_ibm_chip_id(struct device_node *np);
> diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h
> index 67c6257..60c8d7b 100644
> --- a/arch/sparc/include/asm/prom.h
> +++ b/arch/sparc/include/asm/prom.h
> @@ -43,10 +43,6 @@ extern int of_getintprop_default(struct device_node *np,
> const char *name,
> int def);
> extern int of_find_in_proplist(const char *list, const char *match, int len);
> -#ifdef CONFIG_NUMA
> -extern int of_node_to_nid(struct device_node *dp);
> -#define of_node_to_nid of_node_to_nid
> -#endif
>
> extern void prom_build_devicetree(void);
> extern void of_populate_present_mask(void);
> diff --git a/drivers/of/base.c b/drivers/of/base.c
> index 865d3f6..ced4c06 100644
> --- a/drivers/of/base.c
> +++ b/drivers/of/base.c
> @@ -74,6 +74,13 @@ int of_n_size_cells(struct device_node *np)
> }
> EXPORT_SYMBOL(of_n_size_cells);
>
> +#ifdef CONFIG_NUMA
> +int __weak of_node_to_nid(struct device_node *np)
> +{
> + return numa_node_id();
> +}
> +#endif
> +
> #if defined(CONFIG_OF_DYNAMIC)
> /**
> * of_node_get - Increment refcount of a node
> diff --git a/include/linux/of.h b/include/linux/of.h
> index f95aee3..4d294a0 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -534,13 +534,10 @@ static inline const char *of_prop_next_string(struct property *prop,
> #define of_match_node(_matches, _node) NULL
> #endif /* CONFIG_OF */
>
> -#ifndef of_node_to_nid
> -static inline int of_node_to_nid(struct device_node *np)
> -{
> - return numa_node_id();
> -}
> -
> -#define of_node_to_nid of_node_to_nid
> +#if defined(CONFIG_OF) && defined(CONFIG_NUMA)
> +extern int of_node_to_nid(struct device_node *np);
> +#else
> +static inline int of_node_to_nid(struct device_node *device) { return 0; }
> #endif
>
> /**
> --
> 1.8.1.2
>