From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755680AbaEAJ5o (ORCPT ); Thu, 1 May 2014 05:57:44 -0400 Received: from mail-wi0-f169.google.com ([209.85.212.169]:52894 "EHLO mail-wi0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755413AbaEAJ5k (ORCPT ); Thu, 1 May 2014 05:57:40 -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 16/47] mtd: nand: stm_nand_bch: add compatible page size check Date: Thu, 1 May 2014 10:56:23 +0100 Message-Id: <1398938214-17847-17-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 Signed-off-by: Lee Jones --- drivers/mtd/nand/stm_nand_bch.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/mtd/nand/stm_nand_bch.c b/drivers/mtd/nand/stm_nand_bch.c index fdb06517..a1c25d0 100644 --- a/drivers/mtd/nand/stm_nand_bch.c +++ b/drivers/mtd/nand/stm_nand_bch.c @@ -29,6 +29,9 @@ #include "stm_nand_regs.h" #include "stm_nand_dt.h" +/* NANDi BCH Controller properties */ +#define NANDI_BCH_SECTOR_SIZE 1024 + /* Bad Block Table (BBT) */ struct nandi_bbt_info { uint32_t bbt_size; /* Size of bad-block table */ @@ -921,6 +924,12 @@ static int stm_nand_bch_probe(struct platform_device *pdev) dev_warn(&pdev->dev, "No timing data available\n"); } + if (mtd->writesize < NANDI_BCH_SECTOR_SIZE) { + dev_err(nandi->dev, + "page size incompatible with BCH ECC sector\n"); + return -EINVAL; + } + return 0; } -- 1.8.3.2