41 lines
1.1 KiB
Diff
41 lines
1.1 KiB
Diff
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--- a/arch/mips/ralink/of.c
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+++ b/arch/mips/ralink/of.c
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@@ -3,7 +3,7 @@
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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- * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
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+ * Copyright (C) 2008-2014 Imre Kaloz <kaloz@openwrt.org>
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* Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
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* Copyright (C) 2013 John Crispin <blogic@openwrt.org>
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*/
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@@ -66,6 +66,17 @@ static int __init early_init_dt_find_mem
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return 0;
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}
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+static int chosen_dtb;
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+
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+static int __init early_init_dt_find_chosen(unsigned long node, const char *uname,
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+ int depth, void *data)
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+{
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+ if (depth == 1 && !strcmp(uname, "chosen"))
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+ chosen_dtb = 1;
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+
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+ return 0;
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+}
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+
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extern struct boot_param_header __image_dtb;
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void __init plat_mem_setup(void)
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@@ -78,7 +89,9 @@ void __init plat_mem_setup(void)
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*/
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__dt_setup_arch(&__image_dtb);
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- strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
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+ of_scan_flat_dt(early_init_dt_find_chosen, NULL);
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+ if (chosen_dtb)
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+ strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
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of_scan_flat_dt(early_init_dt_find_memory, NULL);
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if (memory_dtb)
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