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Start split out of common open firmware code

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This creates drivers/of/base.c (depending on CONFIG_OF) and puts
the first trivially common bits from the prom.c files into it.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Rothwell
2007-05-01 16:26:07 +10:00
parent 76c1ce7870
commit 97e873e5c8
12 changed files with 85 additions and 125 deletions
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41
arch/powerpc/kernel/prom.c
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@@ -1056,35 +1056,6 @@ void __init early_init_devtree(void *params)
DBG(" <- early_init_devtree()\n");
}
int of_n_addr_cells(struct device_node* np)
{
const int *ip;
do {
if (np->parent)
np = np->parent;
ip = of_get_property(np, "#address-cells", NULL);
if (ip != NULL)
return *ip;
} while (np->parent);
/* No #address-cells property for the root node, default to 1 */
return 1;
}
EXPORT_SYMBOL(of_n_addr_cells);
int of_n_size_cells(struct device_node* np)
{
const int* ip;
do {
if (np->parent)
np = np->parent;
ip = of_get_property(np, "#size-cells", NULL);
if (ip != NULL)
return *ip;
} while (np->parent);
/* No #size-cells property for the root node, default to 1 */
return 1;
}
EXPORT_SYMBOL(of_n_size_cells);
/** Checks if the given "compat" string matches one of the strings in
* the device's "compatible" property
@@ -1562,18 +1533,6 @@ struct property *of_find_property(const struct device_node *np,
}
EXPORT_SYMBOL(of_find_property);
/*
* Find a property with a given name for a given node
* and return the value.
*/
const void *of_get_property(const struct device_node *np, const char *name,
int *lenp)
{
struct property *pp = of_find_property(np,name,lenp);
return pp ? pp->value : NULL;
}
EXPORT_SYMBOL(of_get_property);
/*
* Add a property to a node
*/