mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-21 15:02:25 +02:00
08f3a6e14b
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11206 3c298f89-4303-0410-b956-a3cf2f4a3e73
236 lines
6.6 KiB
Diff
236 lines
6.6 KiB
Diff
Index: linux-2.6.23.17/drivers/mtd/devices/block2mtd.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/drivers/mtd/devices/block2mtd.c
|
|
+++ linux-2.6.23.17/drivers/mtd/devices/block2mtd.c
|
|
@@ -20,6 +20,8 @@
|
|
#include <linux/buffer_head.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/mount.h>
|
|
+#include <linux/list.h>
|
|
+#include <linux/delay.h>
|
|
|
|
#define VERSION "$Revision: 1.30 $"
|
|
|
|
@@ -27,6 +29,12 @@
|
|
#define ERROR(fmt, args...) printk(KERN_ERR "block2mtd: " fmt "\n" , ## args)
|
|
#define INFO(fmt, args...) printk(KERN_INFO "block2mtd: " fmt "\n" , ## args)
|
|
|
|
+struct retry {
|
|
+ struct list_head list;
|
|
+ const char *val;
|
|
+};
|
|
+
|
|
+static LIST_HEAD(retry_list);
|
|
|
|
/* Info for the block device */
|
|
struct block2mtd_dev {
|
|
@@ -38,10 +46,36 @@ struct block2mtd_dev {
|
|
char devname[0];
|
|
};
|
|
|
|
+static int block2mtd_setup2(const char *val);
|
|
|
|
/* Static info about the MTD, used in cleanup_module */
|
|
static LIST_HEAD(blkmtd_device_list);
|
|
|
|
+static int add_retry(const char *val)
|
|
+{
|
|
+ struct retry *r = kmalloc(sizeof(struct retry), GFP_KERNEL);
|
|
+
|
|
+ INIT_LIST_HEAD(&r->list);
|
|
+ r->val = val;
|
|
+ list_add(&r->list, &retry_list);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int __init process_retries(void)
|
|
+{
|
|
+ struct list_head *p, *tmp;
|
|
+
|
|
+ list_for_each_safe(p, tmp, &retry_list) {
|
|
+ struct retry *r = list_entry(p, struct retry, list);
|
|
+ block2mtd_setup2(r->val);
|
|
+ msleep(100);
|
|
+ list_del(p);
|
|
+ kfree(r);
|
|
+ }
|
|
+ return 0;
|
|
+}
|
|
+rootfs_initcall(process_retries);
|
|
|
|
static struct page *page_read(struct address_space *mapping, int index)
|
|
{
|
|
@@ -518,7 +552,10 @@ static int block2mtd_setup2(const char *
|
|
if (token[2] && (strlen(token[2]) + 1 > 80))
|
|
parse_err("mtd device name too long");
|
|
|
|
- add_device(name, erase_size, token[2]);
|
|
+ if (add_device(name, erase_size, token[2]) == NULL) {
|
|
+ add_retry(val);
|
|
+ return 0;
|
|
+ }
|
|
|
|
return 0;
|
|
}
|
|
@@ -534,8 +571,11 @@ static int block2mtd_setup(const char *v
|
|
and block2mtd_init() has already been called,
|
|
we can parse the argument now. */
|
|
|
|
- if (block2mtd_init_called)
|
|
+ if (block2mtd_init_called) {
|
|
+ /* if the call failed (e.g. because the device does not exist yet)
|
|
+ * then try again just before attempting to mount the rootfs */
|
|
return block2mtd_setup2(val);
|
|
+ }
|
|
|
|
/* During early boot stage, we only save the parameters
|
|
here. We must parse them later: if the param passed
|
|
Index: linux-2.6.23.17/init/do_mounts.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/init/do_mounts.c
|
|
+++ linux-2.6.23.17/init/do_mounts.c
|
|
@@ -241,16 +241,8 @@ static int __init fs_names_setup(char *s
|
|
return 1;
|
|
}
|
|
|
|
-static unsigned int __initdata root_delay;
|
|
-static int __init root_delay_setup(char *str)
|
|
-{
|
|
- root_delay = simple_strtoul(str, NULL, 0);
|
|
- return 1;
|
|
-}
|
|
-
|
|
__setup("rootflags=", root_data_setup);
|
|
__setup("rootfstype=", fs_names_setup);
|
|
-__setup("rootdelay=", root_delay_setup);
|
|
|
|
static void __init get_fs_names(char *page)
|
|
{
|
|
@@ -426,18 +418,6 @@ void __init prepare_namespace(void)
|
|
{
|
|
int is_floppy;
|
|
|
|
- if (root_delay) {
|
|
- printk(KERN_INFO "Waiting %dsec before mounting root device...\n",
|
|
- root_delay);
|
|
- ssleep(root_delay);
|
|
- }
|
|
-
|
|
- /* wait for the known devices to complete their probing */
|
|
- while (driver_probe_done() != 0)
|
|
- msleep(100);
|
|
-
|
|
- md_run_setup();
|
|
-
|
|
if (saved_root_name[0]) {
|
|
root_device_name = saved_root_name;
|
|
if (!strncmp(root_device_name, "mtd", 3)) {
|
|
Index: linux-2.6.23.17/init/main.c
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/init/main.c
|
|
+++ linux-2.6.23.17/init/main.c
|
|
@@ -65,6 +65,7 @@
|
|
#ifdef CONFIG_X86_LOCAL_APIC
|
|
#include <asm/smp.h>
|
|
#endif
|
|
+#include "do_mounts.h"
|
|
|
|
/*
|
|
* This is one of the first .c files built. Error out early if we have compiler
|
|
@@ -662,13 +663,14 @@ static int __init initcall_debug_setup(c
|
|
__setup("initcall_debug", initcall_debug_setup);
|
|
|
|
extern initcall_t __initcall_start[], __initcall_end[];
|
|
+extern initcall_t __root_initcall_start[], __root_initcall_end[];
|
|
|
|
-static void __init do_initcalls(void)
|
|
+static void __init do_initcalls(initcall_t *start, initcall_t *end)
|
|
{
|
|
initcall_t *call;
|
|
int count = preempt_count();
|
|
|
|
- for (call = __initcall_start; call < __initcall_end; call++) {
|
|
+ for (call = start; call < end; call++) {
|
|
ktime_t t0, t1, delta;
|
|
char *msg = NULL;
|
|
char msgbuf[40];
|
|
@@ -737,7 +739,7 @@ static void __init do_basic_setup(void)
|
|
usermodehelper_init();
|
|
driver_init();
|
|
init_irq_proc();
|
|
- do_initcalls();
|
|
+ do_initcalls(__initcall_start, __initcall_end);
|
|
}
|
|
|
|
static int __initdata nosoftlockup;
|
|
@@ -810,6 +812,14 @@ static int noinline init_post(void)
|
|
panic("No init found. Try passing init= option to kernel.");
|
|
}
|
|
|
|
+static unsigned int __initdata root_delay;
|
|
+static int __init root_delay_setup(char *str)
|
|
+{
|
|
+ root_delay = simple_strtoul(str, NULL, 0);
|
|
+ return 1;
|
|
+}
|
|
+__setup("rootdelay=", root_delay_setup);
|
|
+
|
|
static int __init kernel_init(void * unused)
|
|
{
|
|
lock_kernel();
|
|
@@ -851,6 +861,17 @@ static int __init kernel_init(void * unu
|
|
|
|
if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) {
|
|
ramdisk_execute_command = NULL;
|
|
+ if (root_delay) {
|
|
+ printk(KERN_INFO "Waiting %dsec before mounting root device...\n",
|
|
+ root_delay);
|
|
+ ssleep(root_delay);
|
|
+ }
|
|
+ /* wait for the known devices to complete their probing */
|
|
+ while (driver_probe_done() != 0)
|
|
+ msleep(100);
|
|
+ md_run_setup();
|
|
+ do_initcalls(__root_initcall_start, __root_initcall_end);
|
|
+
|
|
prepare_namespace();
|
|
}
|
|
|
|
Index: linux-2.6.23.17/arch/i386/kernel/vmlinux.lds.S
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/arch/i386/kernel/vmlinux.lds.S
|
|
+++ linux-2.6.23.17/arch/i386/kernel/vmlinux.lds.S
|
|
@@ -146,6 +146,11 @@ SECTIONS
|
|
INITCALLS
|
|
__initcall_end = .;
|
|
}
|
|
+ .root_initcall.init : AT(ADDR(.root_initcall.init) - LOAD_OFFSET) {
|
|
+ __root_initcall_start = .;
|
|
+ INITCALLS_ROOT
|
|
+ __root_initcall_end = .;
|
|
+ }
|
|
.con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
|
|
__con_initcall_start = .;
|
|
*(.con_initcall.init)
|
|
Index: linux-2.6.23.17/include/asm-generic/vmlinux.lds.h
|
|
===================================================================
|
|
--- linux-2.6.23.17.orig/include/asm-generic/vmlinux.lds.h
|
|
+++ linux-2.6.23.17/include/asm-generic/vmlinux.lds.h
|
|
@@ -243,12 +243,14 @@
|
|
*(.initcall4s.init) \
|
|
*(.initcall5.init) \
|
|
*(.initcall5s.init) \
|
|
- *(.initcallrootfs.init) \
|
|
*(.initcall6.init) \
|
|
*(.initcall6s.init) \
|
|
*(.initcall7.init) \
|
|
*(.initcall7s.init)
|
|
|
|
+#define INITCALLS_ROOT \
|
|
+ *(.initcallrootfs.init)
|
|
+
|
|
#define PERCPU(align) \
|
|
. = ALIGN(align); \
|
|
__per_cpu_start = .; \
|