From: "Chuanxiao.Dong" <chuanxiao.dong@intel.com>
To: linux-mtd@lists.infradead.org, dwmw2@infradead.org
Subject: [PATCH v1 4/5]nand/denali: Add a page check in denali_read_page & denali_read_page_raw
Date: Thu, 12 Aug 2010 10:24:10 +0800 [thread overview]
Message-ID: <20100812022410.GD25657@intel.com> (raw)
From 6bcf2a5704eafa810a843c4cedf50d44d5ce9f27 Mon Sep 17 00:00:00 2001
From: Chuanxiao Dong <chuanxiao.dong@intel.com>
Date: Wed, 11 Aug 2010 18:19:23 +0800
Subject: [PATCH 4/5] nand/denali: Add a page check in denali_read_page & denali_read_page_raw
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
---
drivers/mtd/nand/denali.c | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 5f7c8c8..017cde4 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -1149,6 +1149,13 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
INTR_STATUS0__ECC_ERR;
bool check_erased_page = false;
+ if (page != denali->page) {
+ dev_err(&denali->dev->dev, "IN %s: page %d is not"
+ " equal to denali->page %d, investigate!!",
+ __func__, page, denali->page);
+ BUG();
+ }
+
setup_ecc_for_xfer(denali, true, false);
denali_enable_dma(denali, true);
@@ -1193,6 +1200,13 @@ static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
uint32_t irq_status = 0;
uint32_t irq_mask = INTR_STATUS0__DMA_CMD_COMP;
+ if (page != denali->page) {
+ dev_err(&denali->dev->dev, "IN %s: page %d is not"
+ " equal to denali->page %d, investigate!!",
+ __func__, page, denali->page);
+ BUG();
+ }
+
setup_ecc_for_xfer(denali, false, true);
denali_enable_dma(denali, true);
--
1.6.6.1
reply other threads:[~2010-08-12 2:26 UTC|newest]
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