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authorChristophe Leroy <christophe.leroy@csgroup.eu>2023-12-14 21:31:52 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2024-03-03 22:20:29 +1100
commit2a066ae11861257223500d7515e1541199cb7832 (patch)
treedbe75a718936405c2407299aa9393ed0a4c54fad /arch/powerpc/mm
parent28da734d58c8d0113d0ac4f59880d94c9f249564 (diff)
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powerpc: Stop using of_root
Replace all usages of of_root by of_find_node_by_path("/") Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20231214103152.12269-5-mpe@ellerman.id.au
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r--arch/powerpc/mm/drmem.c10
-rw-r--r--arch/powerpc/mm/numa.c6
2 files changed, 9 insertions, 7 deletions
diff --git a/arch/powerpc/mm/drmem.c b/arch/powerpc/mm/drmem.c
index fde7790277f7..c110ab8fa8a3 100644
--- a/arch/powerpc/mm/drmem.c
+++ b/arch/powerpc/mm/drmem.c
@@ -393,17 +393,17 @@ static const __be32 *of_get_usable_memory(struct device_node *dn)
int walk_drmem_lmbs(struct device_node *dn, void *data,
int (*func)(struct drmem_lmb *, const __be32 **, void *))
{
+ struct device_node *root = of_find_node_by_path("/");
const __be32 *prop, *usm;
int ret = -ENODEV;
- if (!of_root)
+ if (!root)
return ret;
/* Get the address & size cells */
- of_node_get(of_root);
- n_root_addr_cells = of_n_addr_cells(of_root);
- n_root_size_cells = of_n_size_cells(of_root);
- of_node_put(of_root);
+ n_root_addr_cells = of_n_addr_cells(root);
+ n_root_size_cells = of_n_size_cells(root);
+ of_node_put(root);
if (init_drmem_lmb_size(dn))
return ret;
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index f6c4ace3b221..a490724e84ad 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -1111,7 +1111,7 @@ static void __init setup_node_data(int nid, u64 start_pfn, u64 end_pfn)
static void __init find_possible_nodes(void)
{
- struct device_node *rtas;
+ struct device_node *rtas, *root;
const __be32 *domains = NULL;
int prop_length, max_nodes;
u32 i;
@@ -1132,10 +1132,12 @@ static void __init find_possible_nodes(void)
* If the LPAR is migratable, new nodes might be activated after a LPM,
* so we should consider the max number in that case.
*/
- if (!of_get_property(of_root, "ibm,migratable-partition", NULL))
+ root = of_find_node_by_path("/");
+ if (!of_get_property(root, "ibm,migratable-partition", NULL))
domains = of_get_property(rtas,
"ibm,current-associativity-domains",
&prop_length);
+ of_node_put(root);
if (!domains) {
domains = of_get_property(rtas, "ibm,max-associativity-domains",
&prop_length);