Index: linux-2.4.35.4/drivers/mtd/chips/cfi_cmdset_0001.c =================================================================== --- linux-2.4.35.4.orig/drivers/mtd/chips/cfi_cmdset_0001.c 2007-12-15 05:19:42.414838122 +0100 +++ linux-2.4.35.4/drivers/mtd/chips/cfi_cmdset_0001.c 2007-12-15 05:19:50.315288342 +0100 @@ -28,10 +28,18 @@ #include #include #include +#include +#include #include #include #include +#ifndef container_of +#define container_of(ptr, type, member) ({ \ + const typeof( ((type *)0)->member ) *__mptr = (ptr); \ + (type *)( (char *)__mptr - offsetof(type,member) );}) +#endif + // debugging, turns off buffer write mode #define FORCE_WORD_WRITE static int cfi_intelext_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *); @@ -45,6 +53,7 @@ static int cfi_intelext_unlock(struct mtd_info *mtd, loff_t ofs, size_t len); static int cfi_intelext_suspend (struct mtd_info *); static void cfi_intelext_resume (struct mtd_info *); +static int cfi_intelext_reboot(struct notifier_block *nb, unsigned long val, void *v); static void cfi_intelext_destroy(struct mtd_info *); @@ -288,6 +297,9 @@ map->fldrv = &cfi_intelext_chipdrv; MOD_INC_USE_COUNT; mtd->name = map->name; + mtd->reboot_notifier.notifier_call = cfi_intelext_reboot; + register_reboot_notifier(&mtd->reboot_notifier); + return mtd; setup_err: @@ -1961,10 +1973,40 @@ } } + +static void cfi_intelext_reset(struct mtd_info *mtd) +{ + struct map_info *map = mtd->priv; + struct cfi_private *cfi = map->fldrv_priv; + int i; + struct flchip *chip; + + cfi_intelext_sync(mtd); + for (i=0; inumchips; i++) { + chip = &cfi->chips[i]; + + spin_lock(chip->mutex); + cfi_write(map, CMD(0xFF), 0); + chip->state = FL_READY; + spin_unlock(chip->mutex); + } +} + +static int cfi_intelext_reboot(struct notifier_block *nb, unsigned long val, void *v) +{ + struct mtd_info *mtd; + + mtd = container_of(nb, struct mtd_info, reboot_notifier); + cfi_intelext_reset(mtd); + return NOTIFY_DONE; +} + static void cfi_intelext_destroy(struct mtd_info *mtd) { struct map_info *map = mtd->priv; struct cfi_private *cfi = map->fldrv_priv; + cfi_intelext_reset(mtd); + unregister_reboot_notifier(&mtd->reboot_notifier); kfree(cfi->cmdset_priv); kfree(cfi->cfiq); kfree(cfi); Index: linux-2.4.35.4/include/linux/mtd/mtd.h =================================================================== --- linux-2.4.35.4.orig/include/linux/mtd/mtd.h 2007-12-15 05:19:42.422838578 +0100 +++ linux-2.4.35.4/include/linux/mtd/mtd.h 2007-12-15 05:19:50.315288342 +0100 @@ -10,6 +10,7 @@ #include #include #include +#include #include #include @@ -217,6 +218,8 @@ int (*suspend) (struct mtd_info *mtd); void (*resume) (struct mtd_info *mtd); + struct notifier_block reboot_notifier; + void *priv; };