Am 08.04.2016 um 13:42 schrieb Keguang Zhang: > + chip->options = NAND_NO_SUBPAGE_WRITE; > + chip->ecc.mode = NAND_ECC_SOFT; Is the lack of HW ECC and subpage write a hardware limitation? Thanks, //richard -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html