[PATCH v1 4/5]nand/denali: Add a page check in denali_read_page & denali_read_page_raw

["Chuanxiao.Dong" <chuanxiao.dong@intel.com>]

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