diff options
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.patch | 210 |
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(); - } - - /* |