[U-Boot] [RFC PATCH 2/4 v1] fdt_decode: make more available.

[Jason]

On Thu, Sep 15, 2011 at 12:18:00PM -0700, Simon Glass wrote:
> On Thu, Sep 15, 2011 at 6:54 AM, Jason Cooper <u-boot at lakedaemon.net> wrote:
> >
> > Signed-off-by: Jason Cooper <u-boot at lakedaemon.net>
> > ---
> >  common/fdt_decode.c  |   11 +++++------
> >  include/fdt_decode.h |   13 +++++++++++++
> >  2 files changed, 18 insertions(+), 6 deletions(-)
> >
> > diff --git a/common/fdt_decode.c b/common/fdt_decode.c
> > index cd7a071..0f13089 100644
> > --- a/common/fdt_decode.c
> > +++ b/common/fdt_decode.c
> > @@ -33,7 +33,7 @@
> >  * turn this into a sparse list later, and keeps the ID with the name.
> >  */
> >  #define COMPAT(id, name) name
> > -static const char *compat_names[COMPAT_COUNT] = {
> > +const char *compat_names[COMPAT_COUNT] = {
> >  };
> >
> >  /**
> > @@ -43,7 +43,7 @@ static const char *compat_names[COMPAT_COUNT] = {
> >  * @param name alias name to look up
> >  * @return node offset if found, or an error code < 0 otherwise
> >  */
> > -static int find_alias_node(const void *blob, const char *name)
> > +int find_alias_node(const void *blob, const char *name)
> 
> If we are going to export these (which I agree we must if we are to
> move this code into drivers), then it should have the fdt_decode_
> prefix.
> 
> Perhaps this is too verbose? I would be happy with
> fdtdec_find_alias_node() if that sounds better?

I like this.

> >  {
> >        const char *path;
> >        int alias_node;
> > @@ -68,7 +68,7 @@ static int find_alias_node(const void *blob, const char *name)
> >  * @param prop_name    name of property to find
> >  * @return address, if found, or ADDR_T_NONE if not
> >  */
> > -static addr_t get_addr(const void *blob, int node, const char *prop_name)
> > +addr_t get_addr(const void *blob, int node, const char *prop_name)
> >  {
> >        const addr_t *cell;
> >        int len;
> > @@ -91,7 +91,7 @@ static addr_t get_addr(const void *blob, int node, const char *prop_name)
> >  * @param default_val  default value to return if the property is not found
> >  * @return integer value, if found, or default_val if not
> >  */
> > -static s32 get_int(const void *blob, int node, const char *prop_name,
> > +s32 get_int(const void *blob, int node, const char *prop_name,
> >                s32 default_val)
> >  {
> >        const s32 *cell;
> > @@ -115,7 +115,7 @@ static s32 get_int(const void *blob, int node, const char *prop_name,
> >  * @param default_val  default value to return if no 'status' property exists
> >  * @return integer value 0/1, if found, or default_val if not
> >  */
> > -static int get_is_enabled(const void *blob, int node, int default_val)
> > +int get_is_enabled(const void *blob, int node, int default_val)
> >  {
> >        const char *cell;
> >
> > @@ -160,4 +160,3 @@ int fdt_decode_next_alias(const void *blob, const char *name,
> >                return err;
> >        return err ? -FDT_ERR_MISSING : node;
> >  }
> > -
> > diff --git a/include/fdt_decode.h b/include/fdt_decode.h
> > index ba3c15b..4264e3b 100644
> > --- a/include/fdt_decode.h
> > +++ b/include/fdt_decode.h
> > @@ -19,6 +19,8 @@
> >  * MA 02111-1307 USA
> >  */
> >
> > +#ifndef _FDT_DECODE_H_
> > +#define _FDT_DECODE_H_
> >
> >  /*
> >  * This file contains convenience functions for decoding useful and
> > @@ -55,4 +57,15 @@ enum fdt_compat_id {
> >        COMPAT_COUNT,
> >  };
> >
> > +int find_alias_node(const void *blob, const char *name);
> > +addr_t get_addr(const void *blob, int node, const char *prop_name);
> > +s32 get_int(const void *blob, int node, const char *prop_name,
> > +       s32 default_val);
> > +int get_is_enabled(const void *blob, int node, int default_val);
> > +enum fdt_compat_id fdt_decode_lookup(const void *blob, int node);
> > +int fdt_decode_next_compatible(const void *blob, int node,
> > +               enum fdt_compat_id id);
> > +int fdt_decode_next_alias(const void *blob, const char *name,
> > +               enum fdt_compat_id id, int *upto);
> >
> > +#endif
> > --
> > 1.7.0.4
> >
> >