From: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
To: <santosh.shilimkar@ti.com>
Cc: <robh+dt@kernel.org>, <pawel.moll@arm.com>,
<mark.rutland@arm.com>, <ijc+devicetree@hellion.org.uk>,
<galak@codeaurora.org>, <linux@arm.linux.org.uk>,
<devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <grygorii.strashko@ti.com>,
Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>,
Murali Karicheri <m-karicheri2@ti.com>
Subject: [PATCH 1/2] mtd: davinci-nand: add dts property for NAND_NO_SUBPAGE_WRITE option
Date: Thu, 20 Mar 2014 00:15:44 +0200 [thread overview]
Message-ID: <1395267345-27795-2-git-send-email-ivan.khoronzhuk@ti.com> (raw)
In-Reply-To: <1395267345-27795-1-git-send-email-ivan.khoronzhuk@ti.com>
Add a property to disable subpage write.
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
---
Documentation/devicetree/bindings/mtd/davinci-nand.txt | 2 ++
drivers/mtd/nand/davinci_nand.c | 3 +++
2 files changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/mtd/davinci-nand.txt b/Documentation/devicetree/bindings/mtd/davinci-nand.txt
index cfb18ab..50af930 100644
--- a/Documentation/devicetree/bindings/mtd/davinci-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/davinci-nand.txt
@@ -53,6 +53,8 @@ Recommended properties :
identifier is saved in OOB area. If not present
false.
+- ti,davinci-nosubpage-write: disable subpage write for the device
+
Deprecated properties:
- ti,davinci-ecc-mode: operation mode of the NAND ecc mode. ECC mode
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 4615d79..3ba058d 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -581,6 +581,9 @@ static struct davinci_nand_pdata
of_property_read_bool(pdev->dev.of_node,
"ti,davinci-nand-use-bbt"))
pdata->bbt_options = NAND_BBT_USE_FLASH;
+ if (of_property_read_bool(pdev->dev.of_node,
+ "ti,davinci-no-subpage-write"))
+ pdata->options |= NAND_NO_SUBPAGE_WRITE;
}
return dev_get_platdata(&pdev->dev);
--
1.8.3.2
next prev parent reply other threads:[~2014-03-19 22:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-19 22:15 [PATCH 0/2] Disable subpage write for k2hk-evm Ivan Khoronzhuk
2014-03-19 22:15 ` Ivan Khoronzhuk [this message]
2014-03-19 22:15 ` [PATCH 2/2] ARM: dts: keystone: disable subpage write for davinci nand device Ivan Khoronzhuk
2014-03-20 13:34 ` [PATCH 0/2] Disable subpage write for k2hk-evm Ivan Khoronzhuk
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