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powerpc/nvram: Search for nvram using compatible

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As well as searching for nodes with type = "nvram", search for nodes
that have compatible = "nvram". This can't be converted into a single
call to of_find_compatible_node() with a non-NULL type, because that
searches for a node that has _both_ type & compatible = "nvram".

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2011-04-14 22:32:00 +00:00
commit 411e689d92
1 changed files with 2 additions and 0 deletions
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2
arch/powerpc/sysdev/mmio_nvram.c
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@ -115,6 +115,8 @@ int __init mmio_nvram_init(void)
int ret;
nvram_node = of_find_node_by_type(NULL, "nvram");
if (!nvram_node)
nvram_node = of_find_compatible_node(NULL, NULL, "nvram");
if (!nvram_node) {
printk(KERN_WARNING "nvram: no node found in device-tree\n");
return -ENODEV;