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authorYork Sun <yorksun@freescale.com>2013-03-25 07:33:21 +0000
committerAndy Fleming <afleming@freescale.com>2013-05-14 16:00:27 -0500
commite1d5a2773f30a0b2b8ad3bfd88f118154c7af940 (patch)
tree0962c9445b5dc24a18a40a84be4ff58e9d0ac2dc /arch/powerpc
parent0a7c5353a4cd96d862016356177525da475cb5b0 (diff)
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powerpc/mpc85xx: Fix portal setup
Missing nodes of crypto, pme, etc in device tree is not a fatal error. Setting up the qman portal should skip the missing node and continue to finish the rest. Signed-off-by: York Sun <yorksun@freescale.com> Signed-off-by: Andy Fleming <afleming@freescale.com>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/cpu/mpc85xx/portals.c36
1 files changed, 22 insertions, 14 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/portals.c b/arch/powerpc/cpu/mpc85xx/portals.c
index d529095..672edde 100644
--- a/arch/powerpc/cpu/mpc85xx/portals.c
+++ b/arch/powerpc/cpu/mpc85xx/portals.c
@@ -128,24 +128,32 @@ static int fdt_qportal(void *blob, int off, int id, char *name,
childoff = fdt_subnode_offset(blob, off, name);
if (create) {
- if (childoff <= 0)
- childoff = fdt_add_subnode(blob, off, name);
+ char handle[64], *p;
- if (childoff > 0) {
- char handle[64], *p;
+ strncpy(handle, name, sizeof(handle));
+ p = strchr(handle, '@');
+ if (!strncmp(name, "fman", 4)) {
+ *p = *(p + 1);
+ p++;
+ }
+ *p = '\0';
- strncpy(handle, name, sizeof(handle));
- p = strchr(handle, '@');
- if (!strncmp(name, "fman", 4)) {
- *p = *(p + 1);
- p++;
- }
- *p = '\0';
+ dev_off = fdt_path_offset(blob, handle);
+ /* skip this node if alias is not found */
+ if (dev_off == -FDT_ERR_BADPATH)
+ return 0;
+ if (dev_off < 0)
+ return dev_off;
- dev_off = fdt_path_offset(blob, handle);
- if (dev_off < 0)
- return dev_off;
+ if (childoff <= 0)
+ childoff = fdt_add_subnode(blob, off, name);
+ /* need to update the dev_off after adding a subnode */
+ dev_off = fdt_path_offset(blob, handle);
+ if (dev_off < 0)
+ return dev_off;
+
+ if (childoff > 0) {
dev_handle = fdt_get_phandle(blob, dev_off);
if (dev_handle <= 0) {
dev_handle = fdt_alloc_phandle(blob);