openwrtv4/target/linux/ar71xx/patches-4.1/508-MIPS-ath79-prom-image-command-line-hack.patch

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--- a/arch/mips/ath79/prom.c
+++ b/arch/mips/ath79/prom.c
@@ -33,6 +33,35 @@ static void __init ath79_prom_append_cmd
strlcat(arcs_cmdline, ath79_cmdline_buf, sizeof(arcs_cmdline));
}
+#ifdef CONFIG_IMAGE_CMDLINE_HACK
+extern char __image_cmdline[];
+
+static int __init ath79_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 ath79_use_image_cmdline(void) { return 0; }
+#endif
+
static int __init ath79_prom_init_myloader(void)
{
struct myloader_info *mylo;
@@ -61,6 +90,8 @@ static int __init ath79_prom_init_myload
ath79_prom_append_cmdline("ethaddr", mac_buf);
+ ath79_use_image_cmdline();
+
return 1;
}
@@ -71,7 +102,8 @@ void __init prom_init(void)
if (ath79_prom_init_myloader())
return;
- fw_init_cmdline();
+ if (!ath79_use_image_cmdline())
+ fw_init_cmdline();
env = fw_getenv("ethaddr");
if (env)