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Message-Id: <1457367695-26420-1-git-send-email-boris.brezillon@free-electrons.com>
Date: Mon, 7 Mar 2016 17:21:29 +0100
From: Boris Brezillon <boris.brezillon@...e-electrons.com>
To: David Woodhouse <dwmw2@...radead.org>,
Brian Norris <computersforpeace@...il.com>,
linux-mtd@...ts.infradead.org
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Maxime Ripard <maxime.ripard@...e-electrons.com>,
Chen-Yu Tsai <wens@...e.org>, linux-sunxi@...glegroups.com,
Boris Brezillon <boris.brezillon@...e-electrons.com>
Subject: [PATCH 10/16] mtd: nand: sunxi: fix the NFC_ECC_ERR_CNT() macro
NFC_ECC_ERR_CNT() is not taking into account the case when the NAND chip
contains more than 4 ECC blocks (NANDs with 4kB+ pages).
Signed-off-by: Boris Brezillon <boris.brezillon@...e-electrons.com>
---
drivers/mtd/nand/sunxi_nand.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
index 25a167f..c1ab33a 100644
--- a/drivers/mtd/nand/sunxi_nand.c
+++ b/drivers/mtd/nand/sunxi_nand.c
@@ -155,7 +155,7 @@
/* define bit use in NFC_ECC_ST */
#define NFC_ECC_ERR(x) BIT(x)
#define NFC_ECC_PAT_FOUND(x) BIT(x + 16)
-#define NFC_ECC_ERR_CNT(b, x) (((x) >> ((b) * 8)) & 0xff)
+#define NFC_ECC_ERR_CNT(b, x) (((x) >> (((b) % 4) * 8)) & 0xff)
#define NFC_DEFAULT_TIMEOUT_MS 1000
--
2.1.4
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