linux-kernel - [PATCH 01/12] mtd: nand: davinci: fix driver registration

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Date:	Mon, 11 Nov 2013 16:52:05 +0000
From:	"Khoronzhuk, Ivan" <ivan.khoronzhuk@...com>
To:	"Shilimkar, Santosh" <santosh.shilimkar@...com>,
	Rob Landley <rob@...dley.net>,
	Russell King <linux@....linux.org.uk>
CC:	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Rob Herring <rob.herring@...xeda.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Kumar Gala <galak@...nel.crashing.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	"Strashko, Grygorii" <grygorii.strashko@...com>
Subject: [PATCH 01/12] mtd: nand: davinci: fix driver registration


When kernel is booted using DT, there is no guarantee that Davinci
NAND device has been created already at the time when driver init
function is executed. Therefore, platform_driver_probe() can't be used
because this may result the Davinci NAND driver will never be probed.
The driver probing has to be made with core mechanism.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@...com>
---
 drivers/mtd/nand/davinci_nand.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index b77a01e..d87213f 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -877,6 +877,7 @@ static int __exit nand_davinci_remove(struct platform_device *pdev)
 }

 static struct platform_driver nand_davinci_driver = {
+       .probe          = nand_davinci_probe,
        .remove         = __exit_p(nand_davinci_remove),
        .driver         = {
                .name   = "davinci_nand",
@@ -886,7 +887,7 @@ static struct platform_driver nand_davinci_driver = {
 };
 MODULE_ALIAS("platform:davinci_nand");

-module_platform_driver_probe(nand_davinci_driver, nand_davinci_probe);
+module_platform_driver(nand_davinci_driver);

 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Texas Instruments");
--
1.7.9.5

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