From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755727AbaEAKD2 (ORCPT ); Thu, 1 May 2014 06:03:28 -0400 Received: from mail-we0-f178.google.com ([74.125.82.178]:41956 "EHLO mail-we0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755914AbaEAJ6I (ORCPT ); Thu, 1 May 2014 05:58:08 -0400 From: Lee Jones To: linux-kernel@vger.kernel.org Cc: computersforpeace@gmail.com, linux-mtd@lists.infradead.org, kernel@stlinux.com, Lee Jones Subject: [PATCH 29/47] mtd: nand: stm_nand_bch: populate IBBT BCH Header Date: Thu, 1 May 2014 10:56:36 +0100 Message-Id: <1398938214-17847-30-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1398938214-17847-1-git-send-email-lee.jones@linaro.org> References: <1398938214-17847-1-git-send-email-lee.jones@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The STM NAND BCH Controller driver has extended the IBBT header with some extra convenience properties. This function populates both those and the standard header specified by 'struct nand_ibbt_header'. Signed-off-by: Lee Jones --- drivers/mtd/nand/stm_nand_bch.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/mtd/nand/stm_nand_bch.c b/drivers/mtd/nand/stm_nand_bch.c index 27a87a3..bf8669b 100644 --- a/drivers/mtd/nand/stm_nand_bch.c +++ b/drivers/mtd/nand/stm_nand_bch.c @@ -26,6 +26,7 @@ #include #include #include +#include #include "stm_nand_regs.h" #include "stm_nand_dt.h" @@ -741,6 +742,22 @@ static int bbt_is_block_bad(uint8_t *bbt, uint32_t block) return bbt_get_block_mark(bbt, block) == BBT_MARK_GOOD ? 0 : 1; } +/* Populate IBBT BCH Header */ +static void bch_fill_ibbt_header(struct nandi_controller *nandi, + struct nand_ibbt_bch_header *ibbt_header, + int bak, uint8_t vers) +{ + const char author[] = "STLinux " UTS_RELEASE " (stm-nand-bch)"; + + memcpy(ibbt_header->base.signature, ibbt_sigs[bak], NAND_IBBT_SIGLEN); + ibbt_header->base.version = vers; + memset(ibbt_header->base.schema, NAND_IBBT_SCHEMA, 4); + + memset(ibbt_header->schema, NAND_IBBT_SCHEMA, 4); + memset(ibbt_header->ecc_size, bch_ecc_sizes[nandi->bch_ecc_mode], 4); + memcpy(ibbt_header->author, author, sizeof(author)); +} + /* Scan block for IBBT signature */ static int bch_find_ibbt_sig(struct nandi_controller *nandi, uint32_t block, int *bak, uint8_t *vers, -- 1.8.3.2