target/linux/ramips/patches-2.6.34/400-mips-multi-machine-update.patch

   1 --- a/arch/mips/kernel/mips_machine.c
   2 +++ b/arch/mips/kernel/mips_machine.c
   3 @@ -7,12 +7,14 @@
   4   *
   5   */
   6  #include <linux/mm.h>
   7 +#include <linux/string.h>
   8 +#include <linux/slab.h>
   9
  10  #include <asm/mips_machine.h>
  11 -#include <asm/bootinfo.h>
  12
  13  static struct list_head mips_machines __initdata =
  14                 LIST_HEAD_INIT(mips_machines);
  15 +static char *mips_machid __initdata;
  16
  17  char *mips_machine_name = "Unknown";
  18
  19 @@ -55,20 +57,65 @@ void __init mips_machine_set_name(char *
  20         }
  21  }
  22
  23 -void __init mips_machine_setup(unsigned long machtype)
  24 +void __init mips_machine_setup(void)
  25  {
  26         struct mips_machine *mach;
  27
  28 -       mach = mips_machine_find(machtype);
  29 +       mach = mips_machine_find(mips_machtype);
  30         if (!mach) {
  31 -               printk(KERN_ALERT "MIPS: no machine registered for "
  32 -                       "machtype %lu\n", machtype);
  33 +               printk(KERN_WARNING "MIPS: no machine registered for "
  34 +                       "machtype %lu\n", mips_machtype);
  35                 return;
  36         }
  37
  38         mips_machine_set_name(mach->mach_name);
  39 -       printk(KERN_INFO "MIPS: machine is %s\n", mips_machine_name);
  40 +       printk(KERN_NOTICE "MIPS: machine is %s\n", mips_machine_name);
  41
  42         if (mach->mach_setup)
  43                 mach->mach_setup();
  44  }
  45 +
  46 +int __init mips_machtype_setup(char *id)
  47 +{
  48 +       if (mips_machid == NULL)
  49 +               mips_machid = id;
  50 +
  51 +       return 1;
  52 +}
  53 +
  54 +__setup("machtype=", mips_machtype_setup);
  55 +
  56 +static int __init mips_machtype_init(void)
  57 +{
  58 +       struct list_head *this;
  59 +       struct mips_machine *mach;
  60 +
  61 +       if (mips_machid == NULL)
  62 +               return 0;
  63 +
  64 +       list_for_each(this, &mips_machines) {
  65 +               mach = list_entry(this, struct mips_machine, list);
  66 +               if (mach->mach_id == NULL)
  67 +                       continue;
  68 +
  69 +               if (strcmp(mach->mach_id, mips_machid) == 0) {
  70 +                       mips_machtype = mach->mach_type;
  71 +                       return 0;
  72 +               }
  73 +       }
  74 +
  75 +       printk(KERN_WARNING
  76 +              "MIPS: no machine found for id: '%s', registered machines:\n",
  77 +              mips_machid);
  78 +       printk(KERN_WARNING "%32s %s\n", "id", "name");
  79 +
  80 +       list_for_each(this, &mips_machines) {
  81 +               mach = list_entry(this, struct mips_machine, list);
  82 +               printk(KERN_WARNING "%32s %s\n",
  83 +                      mach->mach_id ? mach->mach_id : "", mach->mach_name);
  84 +       }
  85 +
  86 +       return 0;
  87 +}
  88 +
  89 +core_initcall(mips_machtype_init);
  90 --- a/arch/mips/include/asm/mips_machine.h
  91 +++ b/arch/mips/include/asm/mips_machine.h
  92 @@ -13,25 +13,33 @@
  93  #include <linux/init.h>
  94  #include <linux/list.h>
  95
  96 +#include <asm/bootinfo.h>
  97 +
  98  struct mips_machine {
  99         unsigned long           mach_type;
 100 -       void                    (*mach_setup)(void);
 101 +       char                    *mach_id;
 102         char                    *mach_name;
 103 +       void                    (*mach_setup)(void);
 104         struct list_head        list;
 105  };
 106
 107  void mips_machine_register(struct mips_machine *) __init;
 108 -void mips_machine_setup(unsigned long machtype) __init;
 109 +void mips_machine_setup(void) __init;
 110 +int  mips_machtype_setup(char *id) __init;
 111  void mips_machine_set_name(char *name) __init;
 112
 113  extern char *mips_machine_name;
 114
 115 -#define MIPS_MACHINE(_type, _name, _setup)                     \
 116 -static char machine_name_##_type[] __initdata = _name;         \
 117 +#define MIPS_MACHINE(_type, _id, _name, _setup)                \
 118 +static const char machine_name_##_type[] __initconst           \
 119 +                       __aligned(1) = _name;                   \
 120 +static const char machine_id_##_type[] __initconst             \
 121 +                       __aligned(1) = _id;                     \
 122  static struct mips_machine machine_##_type __initdata =                \
 123  {                                                              \
 124         .mach_type      = _type,                                \
 125 -       .mach_name      = machine_name_##_type,                 \
 126 +       .mach_id        = (char *) machine_id_##_type,          \
 127 +       .mach_name      = (char *) machine_name_##_type,        \
 128         .mach_setup     = _setup,                               \
 129  };                                                             \
 130                                                                 \
 131 @@ -44,4 +52,3 @@ static int __init register_machine_##_ty
 132  pure_initcall(register_machine_##_type)
 133
 134  #endif /* __ASM_MIPS_MACHINE_H */
 135 -