From ad81fcb53033be98ab29c6cfb6ef0249a8e2ffaa Mon Sep 17 00:00:00 2001 From: Rob Herring Date: Mon, 26 Aug 2013 10:12:22 -0500 Subject: [PATCH] arc: use early_init_dt_scan Convert arc to use new early_init_dt_scan function. Signed-off-by: Rob Herring Acked-by: Vineet Gupta --- 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 eeb613aa44ff..1ab6f3569f60 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));