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[PATCH] ppc64: SMU partition recovery

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This patch adds the ability to the SMU driver to recover missing
calibration partitions from the SMU chip itself. It also adds some
dynamic mecanism to /proc/device-tree so that new properties are visible
to userland.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt
2005-11-07 14:29:02 +11:00
committed by Paul Mackerras
parent 4350147a81
commit 183d020258
10 changed files with 382 additions and 58 deletions
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21
arch/powerpc/kernel/prom.c
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@@ -1974,14 +1974,29 @@ EXPORT_SYMBOL(get_property);
/*
* Add a property to a node
*/
void prom_add_property(struct device_node* np, struct property* prop)
int prom_add_property(struct device_node* np, struct property* prop)
{
struct property **next = &np->properties;
struct property **next;
prop->next = NULL;
while (*next)
write_lock(&devtree_lock);
next = &np->properties;
while (*next) {
if (strcmp(prop->name, (*next)->name) == 0) {
/* duplicate ! don't insert it */
write_unlock(&devtree_lock);
return -1;
}
next = &(*next)->next;
}
*next = prop;
write_unlock(&devtree_lock);
/* try to add to proc as well if it was initialized */
if (np->pde)
proc_device_tree_add_prop(np->pde, prop);
return 0;
}
/* I quickly hacked that one, check against spec ! */