[PATCH v2 10/29] arc: use early_init_dt_scan

From: Rob Herring
Date: Mon Oct 07 2013 - 12:30:20 EST


From: Rob Herring <rob.herring@xxxxxxxxxxx>

Convert arc to use new early_init_dt_scan function.

Signed-off-by: Rob Herring <rob.herring@xxxxxxxxxxx>
Acked-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
---
arch/arc/kernel/devtree.c | 14 +-------------
1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/arch/arc/kernel/devtree.c b/arch/arc/kernel/devtree.c
index eeb613a..1ab6f35 100644
--- a/arch/arc/kernel/devtree.c
+++ b/arch/arc/kernel/devtree.c
@@ -27,7 +27,6 @@
*/
struct machine_desc * __init setup_machine_fdt(void *dt)
{
- struct boot_param_header *devtree = dt;
struct machine_desc *mdesc = NULL, *mdesc_best = NULL;
unsigned int score, mdesc_score = ~1;
unsigned long dt_root;
@@ -36,11 +35,9 @@ struct machine_desc * __init setup_machine_fdt(void *dt)
char manufacturer[16];
unsigned long len;

- /* check device tree validity */
- if (be32_to_cpu(devtree->magic) != OF_DT_HEADER)
+ if (!early_init_dt_scan(dt))
return NULL;

- initial_boot_params = devtree;
dt_root = of_get_flat_dt_root();

/*
@@ -85,15 +82,6 @@ struct machine_desc * __init setup_machine_fdt(void *dt)

pr_info("Board \"%s\" from %s (Manufacturer)\n", model, manufacturer);

- /* 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);
-
clk = of_get_flat_dt_prop(dt_root, "clock-frequency", &len);
if (clk)
arc_set_core_freq(of_read_ulong(clk, len/4));
--
1.8.1.2

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