Somewhere in the conversion of the MIPS architecture code to Device Tree usage, there's been a failure to keep the separate variables holding the kernel command line reconciled between the tree and the bootloader. This patch restores previous functionality that broke. Signed-off-by: Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us> SVN-Revision: 44030
		
			
				
	
	
		
			29 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
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			29 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
Index: linux-3.14.28/drivers/of/fdt.c
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===================================================================
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--- linux-3.14.28.orig/drivers/of/fdt.c	2015-01-08 10:01:03.000000000 -0800
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+++ linux-3.14.28/drivers/of/fdt.c	2015-01-17 20:29:51.674740290 -0800
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@@ -817,6 +817,9 @@
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 	p = of_get_flat_dt_prop(node, "bootargs", &l);
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 	if (p != NULL && l > 0)
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 		strlcpy(data, p, min((int)l, COMMAND_LINE_SIZE));
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+	p = of_get_flat_dt_prop(node, "bootargs-append", &l);
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+	if (p != NULL && l > 0)
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+		strlcat(data, p, min_t(int, strlen(data) + (int)l, COMMAND_LINE_SIZE));
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 	/*
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 	 * CONFIG_CMDLINE is meant to be a default in case nothing else
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Index: linux-3.14.28/arch/mips/kernel/prom.c
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===================================================================
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--- linux-3.14.28.orig/arch/mips/kernel/prom.c	2015-01-17 20:30:09.922830766 -0800
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+++ linux-3.14.28/arch/mips/kernel/prom.c	2015-01-17 20:30:54.095049815 -0800
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@@ -49,6 +49,9 @@
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 void __init __dt_setup_arch(struct boot_param_header *bph)
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 {
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+	if (boot_command_line[0] == '\0')
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+		strcpy(boot_command_line, arcs_cmdline);
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+
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 	if (!early_init_dt_scan(bph))
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 		return;
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