diff options
Diffstat (limited to 'target/linux/adm5120/patches-2.6.32/400-revert-mips-machine-update.patch')
| -rw-r--r-- | target/linux/adm5120/patches-2.6.32/400-revert-mips-machine-update.patch | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/target/linux/adm5120/patches-2.6.32/400-revert-mips-machine-update.patch b/target/linux/adm5120/patches-2.6.32/400-revert-mips-machine-update.patch new file mode 100644 index 0000000000..ae997ec626 --- /dev/null +++ b/target/linux/adm5120/patches-2.6.32/400-revert-mips-machine-update.patch @@ -0,0 +1,231 @@ +--- a/arch/mips/include/asm/mips_machine.h ++++ b/arch/mips/include/asm/mips_machine.h +@@ -1,5 +1,5 @@ + /* +- * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> ++ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published +@@ -13,42 +13,35 @@ + #include <linux/init.h> + #include <linux/list.h> + +-#include <asm/bootinfo.h> +- + struct mips_machine { + unsigned long mach_type; +- const char *mach_id; +- const char *mach_name; + void (*mach_setup)(void); ++ char *mach_name; ++ struct list_head list; + }; + +-#define MIPS_MACHINE(_type, _id, _name, _setup) \ +-static const char machine_name_##_type[] __initconst \ +- __aligned(1) = _name; \ +-static const char machine_id_##_type[] __initconst \ +- __aligned(1) = _id; \ +-static struct mips_machine machine_##_type \ +- __used __section(.mips.machines.init) = \ ++void mips_machine_register(struct mips_machine *) __init; ++void mips_machine_setup(unsigned long machtype) __init; ++void mips_machine_set_name(char *name) __init; ++ ++extern char *mips_machine_name; ++ ++#define MIPS_MACHINE(_type, _name, _setup) \ ++static char machine_name_##_type[] __initdata = _name; \ ++static struct mips_machine machine_##_type __initdata = \ + { \ + .mach_type = _type, \ +- .mach_id = machine_id_##_type, \ + .mach_name = machine_name_##_type, \ + .mach_setup = _setup, \ +-}; +- +-extern long __mips_machines_start; +-extern long __mips_machines_end; +- +-#ifdef CONFIG_MIPS_MACHINE +-int mips_machtype_setup(char *id) __init; +-void mips_machine_setup(void) __init; +-void mips_set_machine_name(const char *name) __init; +-char *mips_get_machine_name(void); +-#else +-static inline int mips_machtype_setup(char *id) { return 1; } +-static inline void mips_machine_setup(void) { } +-static inline void mips_set_machine_name(const char *name) { } +-static inline char *mips_get_machine_name(void) { return NULL; } +-#endif /* CONFIG_MIPS_MACHINE */ ++}; \ ++ \ ++static int __init register_machine_##_type(void) \ ++{ \ ++ mips_machine_register(&machine_##_type); \ ++ return 0; \ ++} \ ++ \ ++pure_initcall(register_machine_##_type) + + #endif /* __ASM_MIPS_MACHINE_H */ ++ +--- a/arch/mips/kernel/mips_machine.c ++++ b/arch/mips/kernel/mips_machine.c +@@ -1,5 +1,5 @@ + /* +- * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> ++ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published +@@ -7,77 +7,68 @@ + * + */ + #include <linux/mm.h> +-#include <linux/string.h> +-#include <linux/slab.h> + + #include <asm/mips_machine.h> ++#include <asm/bootinfo.h> + +-static struct mips_machine *mips_machine __initdata; +-static char *mips_machine_name = "Unknown"; ++static struct list_head mips_machines __initdata = ++ LIST_HEAD_INIT(mips_machines); + +-#define for_each_machine(mach) \ +- for ((mach) = (struct mips_machine *)&__mips_machines_start; \ +- (mach) && \ +- (unsigned long)(mach) < (unsigned long)&__mips_machines_end; \ +- (mach)++) ++char *mips_machine_name = "Unknown"; + +-__init void mips_set_machine_name(const char *name) ++static struct mips_machine * __init mips_machine_find(unsigned long machtype) + { +- char *p; ++ struct list_head *this; + +- if (name == NULL) +- return; ++ list_for_each(this, &mips_machines) { ++ struct mips_machine *mach; + +- p = kstrdup(name, GFP_KERNEL); +- if (!p) +- pr_err("MIPS: no memory for machine_name\n"); ++ mach = list_entry(this, struct mips_machine, list); ++ if (mach->mach_type == machtype) ++ return mach; ++ } + +- mips_machine_name = p; ++ return NULL; + } + +-char *mips_get_machine_name(void) ++void __init mips_machine_register(struct mips_machine *mach) + { +- return mips_machine_name; ++ list_add_tail(&mach->list, &mips_machines); + } + +-__init int mips_machtype_setup(char *id) ++void __init mips_machine_set_name(char *name) + { +- struct mips_machine *mach; ++ unsigned int len; ++ char *p; + +- for_each_machine(mach) { +- if (mach->mach_id == NULL) +- continue; +- +- if (strcmp(mach->mach_id, id) == 0) { +- mips_machine = mach; +- break; +- } +- } ++ if (name == NULL) ++ return; + +- if (!mips_machine) { +- pr_err("MIPS: no machine found for id '%s', supported machines:\n", +- id); +- pr_err("%32s %s\n", "id", "name"); +- for_each_machine(mach) +- pr_err("%32s %s\n", mach->mach_id, mach->mach_name); +- return 1; ++ len = strlen(name); ++ p = kmalloc(len + 1, GFP_KERNEL); ++ if (p) { ++ strncpy(p, name, len); ++ p[len] = '\0'; ++ mips_machine_name = p; ++ } else { ++ printk(KERN_WARNING "MIPS: no memory for machine_name\n"); + } +- +- mips_machtype = mips_machine->mach_type; +- +- return 0; + } + +-__setup("machtype=", mips_machtype_setup); +- +-__init void mips_machine_setup(void) ++void __init mips_machine_setup(unsigned long machtype) + { +- if (!mips_machine) ++ struct mips_machine *mach; ++ ++ mach = mips_machine_find(machtype); ++ if (!mach) { ++ printk(KERN_ALERT "MIPS: no machine registered for " ++ "machtype %lu\n", machtype); + return; ++ } + +- mips_set_machine_name(mips_machine->mach_name); +- pr_info("MIPS: machine is %s\n", mips_machine_name); ++ mips_machine_set_name(mach->mach_name); ++ printk(KERN_INFO "MIPS: machine is %s\n", mips_machine_name); + +- if (mips_machine->mach_setup) +- mips_machine->mach_setup(); ++ if (mach->mach_setup) ++ mach->mach_setup(); + } +--- a/arch/mips/kernel/proc.c ++++ b/arch/mips/kernel/proc.c +@@ -34,9 +34,9 @@ static int show_cpuinfo(struct seq_file + */ + if (n == 0) { + seq_printf(m, "system type\t\t: %s\n", get_system_type()); +- if (mips_get_machine_name()) +- seq_printf(m, "machine\t\t\t: %s\n", +- mips_get_machine_name()); ++#ifdef CONFIG_MIPS_MACHINE ++ seq_printf(m, "machine\t\t\t: %s\n", mips_machine_name); ++#endif + } + + seq_printf(m, "processor\t\t: %ld\n", n); +--- a/arch/mips/kernel/vmlinux.lds.S ++++ b/arch/mips/kernel/vmlinux.lds.S +@@ -97,13 +97,6 @@ SECTIONS + INIT_TEXT_SECTION(PAGE_SIZE) + INIT_DATA_SECTION(16) + +- . = ALIGN(4); +- .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) { +- __mips_machines_start = .; +- *(.mips.machines.init) +- __mips_machines_end = .; +- } +- + /* .exit.text is discarded at runtime, not link time, to deal with + * references from .rodata + */ |