linux-kernel - [PATCH v5 03/12] mtd: pxa3xx_nand: add a default chunk size

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Message-Id: <1431356341-31640-4-git-send-email-antoine.tenart@free-electrons.com>
Date:	Mon, 11 May 2015 16:58:52 +0200
From:	Antoine Tenart <antoine.tenart@...e-electrons.com>
To:	sebastian.hesselbarth@...il.com,
	ezequiel.garcia@...e-electrons.com, dwmw2@...radead.org,
	computersforpeace@...il.com
Cc:	Antoine Tenart <antoine.tenart@...e-electrons.com>,
	boris.brezillon@...e-electrons.com, zmxu@...vell.com,
	jszhang@...vell.com, linux-arm-kernel@...ts.infradead.org,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v5 03/12] mtd: pxa3xx_nand: add a default chunk size

When keeping the configuration set by the bootloader (by using
the marvell,nand-keep-config property), the pxa3xx_nand_detect_config()
function is called and set the chunk size to 512 as a default value if
NDCR_PAGE_SZ is not set.

In the other case, when not keeping the bootloader configuration, no
chunk size is set. Fix this by adding a default chunk size of 512.

Signed-off-by: Antoine Tenart <antoine.tenart@...e-electrons.com>
---
 drivers/mtd/nand/pxa3xx_nand.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index f14c13c4dbfe..3eb42093db27 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1475,6 +1475,9 @@ static int pxa3xx_nand_scan(struct mtd_info *mtd)
 	if (pdata->keep_config && !pxa3xx_nand_detect_config(info))
 		goto KEEP_CONFIG;
 
+	/* Set a default chunk size */
+	info->chunk_size = 512;
+
 	ret = pxa3xx_nand_sensing(info);
 	if (ret) {
 		dev_info(&info->pdev->dev, "There is no chip on cs %d!\n",
-- 
2.4.0

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