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path: root/target/linux/olpc/patches-2.6.30/300-block2mtd_init.patch
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Diffstat (limited to 'target/linux/olpc/patches-2.6.30/300-block2mtd_init.patch')
-rw-r--r--target/linux/olpc/patches-2.6.30/300-block2mtd_init.patch210
1 files changed, 0 insertions, 210 deletions
diff --git a/target/linux/olpc/patches-2.6.30/300-block2mtd_init.patch b/target/linux/olpc/patches-2.6.30/300-block2mtd_init.patch
deleted file mode 100644
index 12165b5..0000000
--- a/target/linux/olpc/patches-2.6.30/300-block2mtd_init.patch
+++ /dev/null
@@ -1,210 +0,0 @@
---- a/arch/x86/kernel/vmlinux_32.lds.S
-+++ b/arch/x86/kernel/vmlinux_32.lds.S
-@@ -136,6 +136,12 @@ 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)
---- a/drivers/mtd/devices/block2mtd.c
-+++ b/drivers/mtd/devices/block2mtd.c
-@@ -18,10 +18,18 @@
- #include <linux/buffer_head.h>
- #include <linux/mutex.h>
- #include <linux/mount.h>
-+#include <linux/list.h>
-+#include <linux/delay.h>
-
- #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 {
-@@ -33,10 +41,34 @@ 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)
- {
-@@ -510,7 +542,9 @@ 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;
- }
---- a/include/asm-generic/vmlinux.lds.h
-+++ b/include/asm-generic/vmlinux.lds.h
-@@ -447,12 +447,14 @@
- *(.initcall4s.init) \
- *(.initcall5.init) \
- *(.initcall5s.init) \
-- *(.initcallrootfs.init) \
- *(.initcall6.init) \
- *(.initcall6s.init) \
- *(.initcall7.init) \
- *(.initcall7s.init)
-
-+#define INITCALLS_ROOT \
-+ *(.initcallrootfs.init)
-+
- /**
- * PERCPU_VADDR - define output section for percpu area
- * @vaddr: explicit base address (optional)
---- a/init/do_mounts.c
-+++ b/init/do_mounts.c
-@@ -176,16 +176,8 @@ 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)
- {
-@@ -365,23 +357,6 @@ 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
-- *
-- * Note: this is a potential source of long boot delays.
-- * For example, it is not atypical to wait 5 seconds here
-- * for the touchpad of a laptop to initialize.
-- */
-- wait_for_device_probe();
--
-- md_run_setup();
--
- if (saved_root_name[0]) {
- root_device_name = saved_root_name;
- if (!strncmp(root_device_name, "mtd", 3) ||
---- a/init/main.c
-+++ b/init/main.c
-@@ -76,6 +76,7 @@
- #ifdef CONFIG_X86_LOCAL_APIC
- #include <asm/smp.h>
- #endif
-+#include "do_mounts.h"
-
- static int kernel_init(void *);
-
-@@ -752,12 +753,13 @@ int do_one_initcall(initcall_t fn)
-
-
- extern initcall_t __initcall_start[], __initcall_end[], __early_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;
-
-- for (call = __early_initcall_end; call < __initcall_end; call++)
-+ for (call = start; call < end; call++)
- do_one_initcall(*call);
-
- /* Make sure there is no pending stuff from the initcall sequence */
-@@ -779,7 +781,7 @@ static void __init do_basic_setup(void)
- usermodehelper_init();
- driver_init();
- init_irq_proc();
-- do_initcalls();
-+ do_initcalls(__early_initcall_end, __initcall_end);
- }
-
- static void __init do_pre_smp_initcalls(void)
-@@ -840,6 +842,13 @@ static noinline int 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();
-@@ -879,7 +888,16 @@ static int __init kernel_init(void * unu
-
- if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) {
- ramdisk_execute_command = NULL;
-- prepare_namespace();
-+ if (root_delay) {
-+ printk(KERN_INFO "Waiting %desc before mounting root device...\n",
-+ root_delay);
-+ ssleep(root_delay);
-+ }
-+ while (driver_probe_done() != 0)
-+ msleep(100);
-+ md_run_setup();
-+ do_initcalls(__root_initcall_start, __root_initcall_end);
-+ prepare_namespace();
- }
-
- /*