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[kernel] generic-2.6/2.6.30: gets rid of the length limitation on the name in the mips_machine stuff

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15930 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2009-05-20 08:35:01 +00:00
parent fed1c9a77a
commit 37925d0365
1 changed files with 24 additions and 13 deletions
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37
target/linux/generic-2.6/patches-2.6.30/020-mips_multi_machine_support.patch
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@ -1,8 +1,8 @@
--- /dev/null
+++ b/include/asm-mips/mips_machine.h
@@ -0,0 +1,47 @@
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2008 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
@ -16,25 +16,24 @@
+#include <linux/init.h>
+#include <linux/list.h>
+
+#define MIPS_MACHINE_NAME_LEN 64
+
+struct mips_machine {
+ unsigned long mach_type;
+ void (*mach_setup)(void);
+ unsigned char mach_name[MIPS_MACHINE_NAME_LEN];
+ char *mach_name;
+ struct list_head list;
+};
+
+void mips_machine_register(struct mips_machine *) __init;
+void mips_machine_setup(unsigned long machtype) __init;
+
+extern unsigned char mips_machine_name[MIPS_MACHINE_NAME_LEN];
+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_name = _name, \
+ .mach_name = machine_name_##_type, \
+ .mach_setup = _setup, \
+}; \
+ \
@ -50,15 +49,16 @@
+
--- /dev/null
+++ b/arch/mips/kernel/mips_machine.c
@@ -0,0 +1,58 @@
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2008 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
+ * by the Free Software Foundation.
+ *
+ */
+#include <linux/mm.h>
+
+#include <asm/mips_machine.h>
+#include <asm/bootinfo.h>
@ -66,7 +66,7 @@
+static struct list_head mips_machines __initdata =
+ LIST_HEAD_INIT(mips_machines);
+
+unsigned char mips_machine_name[MIPS_MACHINE_NAME_LEN] = "Unknown";
+char *mips_machine_name = "Unknown";
+
+static struct mips_machine * __init mips_machine_find(unsigned long machtype)
+{
@ -99,9 +99,20 @@
+ return;
+ }
+
+ if (mach->mach_name[0])
+ strncpy(mips_machine_name, mach->mach_name,
+ MIPS_MACHINE_NAME_LEN);
+ if (mach->mach_name) {
+ char *name;
+ unsigned int len;
+
+ len = strlen(mach->mach_name);
+ name = kmalloc(len + 1, GFP_KERNEL);
+ if (name) {
+ strncpy(name, mach->mach_name,len);
+ name[len] = '\0';
+ mips_machine_name = name;
+ } else {
+ printk(KERN_WARNING "MIPS: no memory for machine_name\n");
+ }
+ }
+
+ printk(KERN_INFO "MIPS: machine is %s\n", mips_machine_name);
+