From: Rob Herring <rob.herring@xxxxxxxxxxx>
Convert arm to use new early_init_dt_scan function.
Signed-off-by: Rob Herring <rob.herring@xxxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
---
arch/arm/kernel/devtree.c | 16 +---------------
1 file changed, 1 insertion(+), 15 deletions(-)
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index f35906b..e7ce175 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -183,7 +183,6 @@ bool arch_match_cpu_phys_id(int cpu, u64 phys_id)
*/
const struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
{
- struct boot_param_header *devtree;
const struct machine_desc *mdesc, *mdesc_best = NULL;
unsigned int score, mdesc_score = ~1;
unsigned long dt_root;
@@ -196,17 +195,11 @@ const struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
mdesc_best = &__mach_desc_GENERIC_DT;
#endif
- if (!dt_phys)
+ if (!dt_phys || !early_init_dt_scan(phys_to_virt(dt_phys)))
return NULL;
- devtree = phys_to_virt(dt_phys);
-
- /* check device tree validity */
- if (be32_to_cpu(devtree->magic) != OF_DT_HEADER)
- return NULL;
/* Search the mdescs for the 'best' compatible value match */
- initial_boot_params = devtree;
dt_root = of_get_flat_dt_root();
for_each_machine_desc(mdesc) {
score = of_flat_dt_match(dt_root, mdesc->dt_compat);
@@ -240,13 +233,6 @@ const struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
model = "<unknown>";
pr_info("Machine: %s, model: %s\n", mdesc_best->name, model);
- /* Retrieve various information from the /chosen node */
- of_scan_flat_dt(early_init_dt_scan_chosen, boot_command_line);
- /* Initialize {size,address}-cells info */
- of_scan_flat_dt(early_init_dt_scan_root, NULL);
- /* Setup memory, calling early_init_dt_add_memory_arch */
- of_scan_flat_dt(early_init_dt_scan_memory, NULL);
-
/* Change machine number to match the mdesc we're using */
__machine_arch_type = mdesc_best->nr;
--
1.8.1.2
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