From: Jörn Engel Date: Fri, 21 Sep 2007 13:41:44 +0000 (+0200) Subject: [MTD] Document erase interface. X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b38178ee712e8608f20c8e741adf97f75f1aea39;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [MTD] Document erase interface. Document mtd erase interface. Signed-off-by: Jörn Engel Signed-off-by: David Woodhouse --- diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index fd64ccfbce02..783fc983417c 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -133,6 +133,13 @@ struct mtd_info { int numeraseregions; struct mtd_erase_region_info *eraseregions; + /* + * Erase is an asynchronous operation. Device drivers are supposed + * to call instr->callback() whenever the operation completes, even + * if it completes with a failure. + * Callers are supposed to pass a callback function and wait for it + * to be called before writing to the block. + */ int (*erase) (struct mtd_info *mtd, struct erase_info *instr); /* This stuff for eXecute-In-Place */