aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/lantiq/patches-3.0/230-cmdline_hack.patch
blob: 8ce57ba0aa57ee29a871eb21578109e99bca95b4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
--- a/arch/mips/lantiq/prom.c
+++ b/arch/mips/lantiq/prom.c
@@ -39,6 +39,34 @@ void prom_free_prom_memory(void)
 {
 }
 
+#ifdef CONFIG_IMAGE_CMDLINE_HACK
+extern char __image_cmdline[];
+
+static void __init
+prom_init_image_cmdline(void)
+{
+	char *p = __image_cmdline;
+	int replace = 0;
+
+	if (*p == '-') {
+		replace = 1;
+		p++;
+	}
+
+	if (*p == '\0')
+		return;
+
+	if (replace) {
+		strlcpy(arcs_cmdline, p, sizeof(arcs_cmdline));
+	} else {
+		strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
+		strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
+	}
+}
+#else
+static void __init prom_init_image_cmdline(void) { return; }
+#endif
+
 static void __init prom_init_cmdline(void)
 {
 	int argc = fw_arg0;
@@ -55,6 +83,7 @@ static void __init prom_init_cmdline(voi
 			strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
 		}
 	}
+	prom_init_image_cmdline();
 }
 
 void __init prom_init(void)