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path: root/target/linux/adm5120/patches-2.6.32/400-revert-mips-machine-update.patch
blob: ae997ec626d7f8524d44f93415d229cdeb443877 (plain)
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--- 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
 	 */