target/linux/adm5120/patches-2.6.33/400-revert-mips-machine-update.patch

   1 --- a/arch/mips/include/asm/mips_machine.h
   2 +++ b/arch/mips/include/asm/mips_machine.h
   3 @@ -1,5 +1,5 @@
   4  /*
   5 - *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
   6 + *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
   7   *
   8   *  This program is free software; you can redistribute it and/or modify it
   9   *  under the terms of the GNU General Public License version 2 as published
  10 @@ -13,42 +13,35 @@
  11  #include <linux/init.h>
  12  #include <linux/list.h>
  13
  14 -#include <asm/bootinfo.h>
  15 -
  16  struct mips_machine {
  17         unsigned long           mach_type;
  18 -       const char              *mach_id;
  19 -       const char              *mach_name;
  20         void                    (*mach_setup)(void);
  21 +       char                    *mach_name;
  22 +       struct list_head        list;
  23  };
  24
  25 -#define MIPS_MACHINE(_type, _id, _name, _setup)                \
  26 -static const char machine_name_##_type[] __initconst           \
  27 -                       __aligned(1) = _name;                   \
  28 -static const char machine_id_##_type[] __initconst             \
  29 -                       __aligned(1) = _id;                     \
  30 -static struct mips_machine machine_##_type                     \
  31 -               __used __section(.mips.machines.init) =         \
  32 +void mips_machine_register(struct mips_machine *) __init;
  33 +void mips_machine_setup(unsigned long machtype) __init;
  34 +void mips_machine_set_name(char *name) __init;
  35 +
  36 +extern char *mips_machine_name;
  37 +
  38 +#define MIPS_MACHINE(_type, _name, _setup)                     \
  39 +static char machine_name_##_type[] __initdata = _name;         \
  40 +static struct mips_machine machine_##_type __initdata =                \
  41  {                                                              \
  42         .mach_type      = _type,                                \
  43 -       .mach_id        = machine_id_##_type,                   \
  44         .mach_name      = machine_name_##_type,                 \
  45         .mach_setup     = _setup,                               \
  46 -};
  47 -
  48 -extern long __mips_machines_start;
  49 -extern long __mips_machines_end;
  50 -
  51 -#ifdef CONFIG_MIPS_MACHINE
  52 -int  mips_machtype_setup(char *id) __init;
  53 -void mips_machine_setup(void) __init;
  54 -void mips_set_machine_name(const char *name) __init;
  55 -char *mips_get_machine_name(void);
  56 -#else
  57 -static inline int mips_machtype_setup(char *id) { return 1; }
  58 -static inline void mips_machine_setup(void) { }
  59 -static inline void mips_set_machine_name(const char *name) { }
  60 -static inline char *mips_get_machine_name(void) { return NULL; }
  61 -#endif /* CONFIG_MIPS_MACHINE */
  62 +};                                                             \
  63 +                                                               \
  64 +static int __init register_machine_##_type(void)               \
  65 +{                                                              \
  66 +       mips_machine_register(&machine_##_type);                \
  67 +       return 0;                                               \
  68 +}                                                              \
  69 +                                                               \
  70 +pure_initcall(register_machine_##_type)
  71
  72  #endif /* __ASM_MIPS_MACHINE_H */
  73 +
  74 --- a/arch/mips/kernel/mips_machine.c
  75 +++ b/arch/mips/kernel/mips_machine.c
  76 @@ -1,5 +1,5 @@
  77  /*
  78 - *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
  79 + *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
  80   *
  81   *  This program is free software; you can redistribute it and/or modify it
  82   *  under the terms of the GNU General Public License version 2 as published
  83 @@ -7,77 +7,68 @@
  84   *
  85   */
  86  #include <linux/mm.h>
  87 -#include <linux/string.h>
  88 -#include <linux/slab.h>
  89
  90  #include <asm/mips_machine.h>
  91 +#include <asm/bootinfo.h>
  92
  93 -static struct mips_machine *mips_machine __initdata;
  94 -static char *mips_machine_name = "Unknown";
  95 +static struct list_head mips_machines __initdata =
  96 +               LIST_HEAD_INIT(mips_machines);
  97
  98 -#define for_each_machine(mach) \
  99 -       for ((mach) = (struct mips_machine *)&__mips_machines_start; \
 100 -            (mach) && \
 101 -            (unsigned long)(mach) < (unsigned long)&__mips_machines_end; \
 102 -            (mach)++)
 103 +char *mips_machine_name = "Unknown";
 104
 105 -__init void mips_set_machine_name(const char *name)
 106 +static struct mips_machine * __init mips_machine_find(unsigned long machtype)
 107  {
 108 -       char *p;
 109 +       struct list_head *this;
 110
 111 -       if (name == NULL)
 112 -               return;
 113 +       list_for_each(this, &mips_machines) {
 114 +               struct mips_machine *mach;
 115
 116 -       p = kstrdup(name, GFP_KERNEL);
 117 -       if (!p)
 118 -               pr_err("MIPS: no memory for machine_name\n");
 119 +               mach = list_entry(this, struct mips_machine, list);
 120 +               if (mach->mach_type == machtype)
 121 +                       return mach;
 122 +       }
 123
 124 -       mips_machine_name = p;
 125 +       return NULL;
 126  }
 127
 128 -char *mips_get_machine_name(void)
 129 +void __init mips_machine_register(struct mips_machine *mach)
 130  {
 131 -       return mips_machine_name;
 132 +       list_add_tail(&mach->list, &mips_machines);
 133  }
 134
 135 -__init int mips_machtype_setup(char *id)
 136 +void __init mips_machine_set_name(char *name)
 137  {
 138 -       struct mips_machine *mach;
 139 +       unsigned int len;
 140 +       char *p;
 141
 142 -       for_each_machine(mach) {
 143 -               if (mach->mach_id == NULL)
 144 -                       continue;
 145 -
 146 -               if (strcmp(mach->mach_id, id) == 0) {
 147 -                       mips_machine = mach;
 148 -                       break;
 149 -               }
 150 -       }
 151 +       if (name == NULL)
 152 +               return;
 153
 154 -       if (!mips_machine) {
 155 -               pr_err("MIPS: no machine found for id '%s', supported machines:\n",
 156 -                      id);
 157 -               pr_err("%32s %s\n", "id", "name");
 158 -               for_each_machine(mach)
 159 -                       pr_err("%32s %s\n", mach->mach_id, mach->mach_name);
 160 -               return 1;
 161 +       len = strlen(name);
 162 +       p = kmalloc(len + 1, GFP_KERNEL);
 163 +       if (p) {
 164 +               strncpy(p, name, len);
 165 +               p[len] = '\0';
 166 +               mips_machine_name = p;
 167 +       } else {
 168 +               printk(KERN_WARNING "MIPS: no memory for machine_name\n");
 169         }
 170 -
 171 -       mips_machtype = mips_machine->mach_type;
 172 -
 173 -       return 0;
 174  }
 175
 176 -__setup("machtype=", mips_machtype_setup);
 177 -
 178 -__init void mips_machine_setup(void)
 179 +void __init mips_machine_setup(unsigned long machtype)
 180  {
 181 -       if (!mips_machine)
 182 +       struct mips_machine *mach;
 183 +
 184 +       mach = mips_machine_find(machtype);
 185 +       if (!mach) {
 186 +               printk(KERN_ALERT "MIPS: no machine registered for "
 187 +                       "machtype %lu\n", machtype);
 188                 return;
 189 +       }
 190
 191 -       mips_set_machine_name(mips_machine->mach_name);
 192 -       pr_info("MIPS: machine is %s\n", mips_machine_name);
 193 +       mips_machine_set_name(mach->mach_name);
 194 +       printk(KERN_INFO "MIPS: machine is %s\n", mips_machine_name);
 195
 196 -       if (mips_machine->mach_setup)
 197 -               mips_machine->mach_setup();
 198 +       if (mach->mach_setup)
 199 +               mach->mach_setup();
 200  }
 201 --- a/arch/mips/kernel/proc.c
 202 +++ b/arch/mips/kernel/proc.c
 203 @@ -34,9 +34,9 @@ static int show_cpuinfo(struct seq_file
 204          */
 205         if (n == 0) {
 206                 seq_printf(m, "system type\t\t: %s\n", get_system_type());
 207 -               if (mips_get_machine_name())
 208 -                       seq_printf(m, "machine\t\t\t: %s\n",
 209 -                                  mips_get_machine_name());
 210 +#ifdef CONFIG_MIPS_MACHINE
 211 +               seq_printf(m, "machine\t\t\t: %s\n", mips_machine_name);
 212 +#endif
 213         }
 214
 215         seq_printf(m, "processor\t\t: %ld\n", n);
 216 --- a/arch/mips/kernel/vmlinux.lds.S
 217 +++ b/arch/mips/kernel/vmlinux.lds.S
 218 @@ -98,13 +98,6 @@ SECTIONS
 219         INIT_TEXT_SECTION(PAGE_SIZE)
 220         INIT_DATA_SECTION(16)
 221
 222 -       . = ALIGN(4);
 223 -       .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
 224 -               __mips_machines_start = .;
 225 -               *(.mips.machines.init)
 226 -               __mips_machines_end = .;
 227 -       }
 228 -
 229         /* .exit.text is discarded at runtime, not link time, to deal with
 230          * references from .rodata
 231          */