linux-kernel - Re: [PATCH 5/9] of: put default string compare and #a/s-cell values into common header

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Message-ID: <1266127914.16346.62.camel@pasglop>
Date:	Sun, 14 Feb 2010 17:11:54 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	monstr@...str.eu, sfr@...b.auug.org.au, jeremy.kerr@...onical.com,
	davem@...emloft.net, microblaze-uclinux@...e.uq.edu.au,
	linuxppc-dev@...abs.org, sparclinux@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/9] of: put default string compare and #a/s-cell
 values into common header

On Sat, 2010-02-13 at 09:02 -0700, Grant Likely wrote:
> Most architectures don't need to change these.  Put them into common
> code to eliminate some duplication
> 
> Signed-off-by: Grant Likely <grant.likely@...retlab.ca>
> ---

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

> 
>  arch/microblaze/include/asm/prom.h |    7 -------
>  arch/powerpc/include/asm/prom.h    |    7 -------
>  include/linux/of.h                 |   13 +++++++++++++
>  3 files changed, 13 insertions(+), 14 deletions(-)
> 
> diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
> index 6c6b386..ddc5c57 100644
> --- a/arch/microblaze/include/asm/prom.h
> +++ b/arch/microblaze/include/asm/prom.h
> @@ -26,13 +26,6 @@
>  #include <asm/irq.h>
>  #include <asm/atomic.h>
>  
> -#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT	1
> -#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT	1
> -
> -#define of_compat_cmp(s1, s2, l)	strncasecmp((s1), (s2), (l))
> -#define of_prop_cmp(s1, s2)		strcmp((s1), (s2))
> -#define of_node_cmp(s1, s2)		strcasecmp((s1), (s2))
> -
>  extern struct device_node *of_chosen;
>  
>  #define HAVE_ARCH_DEVTREE_FIXUPS
> diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
> index f384db8..4a5070e 100644
> --- a/arch/powerpc/include/asm/prom.h
> +++ b/arch/powerpc/include/asm/prom.h
> @@ -23,13 +23,6 @@
>  #include <asm/irq.h>
>  #include <asm/atomic.h>
>  
> -#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT	1
> -#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT	1
> -
> -#define of_compat_cmp(s1, s2, l)	strcasecmp((s1), (s2))
> -#define of_prop_cmp(s1, s2)		strcmp((s1), (s2))
> -#define of_node_cmp(s1, s2)		strcasecmp((s1), (s2))
> -
>  extern struct device_node *of_chosen;
>  
>  #define HAVE_ARCH_DEVTREE_FIXUPS
> diff --git a/include/linux/of.h b/include/linux/of.h
> index 48b0ee6..5cd2840 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -116,6 +116,19 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size)
>  
>  #include <asm/prom.h>
>  
> +/* Default #address and #size cells.  Allow arch asm/prom.h to override */
> +#if !defined(OF_ROOT_NODE_ADDR_CELLS_DEFAULT)
> +#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 1
> +#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1
> +#endif
> +
> +/* Default string compare functions, Allow arch asm/prom.h to override */
> +#if !defined(of_compat_cmp)
> +#define of_compat_cmp(s1, s2, l)	strncasecmp((s1), (s2), (l))
> +#define of_prop_cmp(s1, s2)		strcmp((s1), (s2))
> +#define of_node_cmp(s1, s2)		strcasecmp((s1), (s2))
> +#endif
> +
>  /* flag descriptions */
>  #define OF_DYNAMIC	1 /* node and properties were allocated via kmalloc */
>  #define OF_DETACHED	2 /* node has been detached from the device tree */
> 
> --
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