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arc: use early_init_dt_scan

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Convert arc to use new early_init_dt_scan function.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Rob Herring 2013-08-26 10:12:22 -05:00
parent 0288ffcbfd
commit ad81fcb530
1 changed files with 1 additions and 13 deletions
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14
arch/arc/kernel/devtree.c
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@ -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));