kernel: update 3.18 to 3.18.14
[openwrt/staging/chunkeey.git] / target / linux / octeon / patches-3.18 / 160-cmdline-hack.patch
1 --- a/arch/mips/cavium-octeon/setup.c
2 +++ b/arch/mips/cavium-octeon/setup.c
3 @@ -609,6 +609,35 @@ void octeon_user_io_init(void)
4 write_c0_derraddr1(0);
5 }
6
7 +#ifdef CONFIG_IMAGE_CMDLINE_HACK
8 +extern char __image_cmdline[];
9 +
10 +static int __init octeon_use_image_cmdline(void)
11 +{
12 + char *p = __image_cmdline;
13 + int replace = 0;
14 +
15 + if (*p == '-') {
16 + replace = 1;
17 + p++;
18 + }
19 +
20 + if (*p == '\0')
21 + return 0;
22 +
23 + if (replace) {
24 + strlcpy(arcs_cmdline, p, sizeof(arcs_cmdline));
25 + } else {
26 + strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
27 + strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
28 + }
29 +
30 + return 1;
31 +}
32 +#else
33 +static inline int octeon_use_image_cmdline(void) { return 0; }
34 +#endif
35 +
36 /**
37 * Early entry point for arch setup
38 */
39 @@ -798,6 +827,8 @@ void __init prom_init(void)
40 }
41 }
42
43 + octeon_use_image_cmdline();
44 +
45 if (strstr(arcs_cmdline, "console=") == NULL) {
46 #ifdef CONFIG_CAVIUM_OCTEON_2ND_KERNEL
47 strcat(arcs_cmdline, " console=ttyS0,115200");