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

   1 --- a/arch/mips/ath79/prom.c
   2 +++ b/arch/mips/ath79/prom.c
   3 @@ -32,6 +32,35 @@ static void __init ath79_prom_append_cmd
   4         strlcat(arcs_cmdline, ath79_cmdline_buf, sizeof(arcs_cmdline));
   5  }
   6
   7 +#ifdef CONFIG_IMAGE_CMDLINE_HACK
   8 +extern char __image_cmdline[];
   9 +
  10 +static int __init ath79_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 ath79_use_image_cmdline(void) { return 0; }
  34 +#endif
  35 +
  36  static int __init ath79_prom_init_myloader(void)
  37  {
  38         struct myloader_info *mylo;
  39 @@ -60,6 +89,8 @@ static int __init ath79_prom_init_myload
  40
  41         ath79_prom_append_cmdline("ethaddr", mac_buf);
  42
  43 +       ath79_use_image_cmdline();
  44 +
  45         return 1;
  46  }
  47
  48 @@ -70,7 +101,8 @@ void __init prom_init(void)
  49         if (ath79_prom_init_myloader())
  50                 return;
  51
  52 -       fw_init_cmdline();
  53 +       if (!ath79_use_image_cmdline())
  54 +               fw_init_cmdline();
  55
  56         env = fw_getenv("ethaddr");
  57         if (env)