openwrt-owl/target/linux/octeon/patches-3.18/160-cmdline-hack.patch

48 lines
1.1 KiB
Diff

--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -609,6 +609,35 @@ void octeon_user_io_init(void)
write_c0_derraddr1(0);
}
+#ifdef CONFIG_IMAGE_CMDLINE_HACK
+extern char __image_cmdline[];
+
+static int __init octeon_use_image_cmdline(void)
+{
+ char *p = __image_cmdline;
+ int replace = 0;
+
+ if (*p == '-') {
+ replace = 1;
+ p++;
+ }
+
+ if (*p == '\0')
+ return 0;
+
+ if (replace) {
+ strlcpy(arcs_cmdline, p, sizeof(arcs_cmdline));
+ } else {
+ strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
+ strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
+ }
+
+ return 1;
+}
+#else
+static inline int octeon_use_image_cmdline(void) { return 0; }
+#endif
+
/**
* Early entry point for arch setup
*/
@@ -798,6 +827,8 @@ void __init prom_init(void)
}
}
+ octeon_use_image_cmdline();
+
if (strstr(arcs_cmdline, "console=") == NULL) {
#ifdef CONFIG_CAVIUM_OCTEON_2ND_KERNEL
strcat(arcs_cmdline, " console=ttyS0,115200");