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path: root/drivers/mtd/nand/socrates_nand.c
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Diffstat (limited to 'drivers/mtd/nand/socrates_nand.c')
-rw-r--r--drivers/mtd/nand/socrates_nand.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/mtd/nand/socrates_nand.c b/drivers/mtd/nand/socrates_nand.c
index f3f28fafbf7..fe8058a4505 100644
--- a/drivers/mtd/nand/socrates_nand.c
+++ b/drivers/mtd/nand/socrates_nand.c
@@ -15,6 +15,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
+#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/io.h>
@@ -140,7 +141,7 @@ static int socrates_nand_device_ready(struct mtd_info *mtd)
/*
* Probe for the NAND device.
*/
-static int __devinit socrates_nand_probe(struct platform_device *ofdev)
+static int socrates_nand_probe(struct platform_device *ofdev)
{
struct socrates_nand_host *host;
struct mtd_info *mtd;
@@ -149,17 +150,13 @@ static int __devinit socrates_nand_probe(struct platform_device *ofdev)
struct mtd_part_parser_data ppdata;
/* Allocate memory for the device structure (and zero it) */
- host = kzalloc(sizeof(struct socrates_nand_host), GFP_KERNEL);
- if (!host) {
- printk(KERN_ERR
- "socrates_nand: failed to allocate device structure.\n");
+ host = devm_kzalloc(&ofdev->dev, sizeof(*host), GFP_KERNEL);
+ if (!host)
return -ENOMEM;
- }
host->io_base = of_iomap(ofdev->dev.of_node, 0);
if (host->io_base == NULL) {
- printk(KERN_ERR "socrates_nand: ioremap failed\n");
- kfree(host);
+ dev_err(&ofdev->dev, "ioremap failed\n");
return -EIO;
}
@@ -211,25 +208,21 @@ static int __devinit socrates_nand_probe(struct platform_device *ofdev)
nand_release(mtd);
out:
- dev_set_drvdata(&ofdev->dev, NULL);
iounmap(host->io_base);
- kfree(host);
return res;
}
/*
* Remove a NAND device.
*/
-static int __devexit socrates_nand_remove(struct platform_device *ofdev)
+static int socrates_nand_remove(struct platform_device *ofdev)
{
struct socrates_nand_host *host = dev_get_drvdata(&ofdev->dev);
struct mtd_info *mtd = &host->mtd;
nand_release(mtd);
- dev_set_drvdata(&ofdev->dev, NULL);
iounmap(host->io_base);
- kfree(host);
return 0;
}
@@ -251,7 +244,7 @@ static struct platform_driver socrates_nand_driver = {
.of_match_table = socrates_nand_match,
},
.probe = socrates_nand_probe,
- .remove = __devexit_p(socrates_nand_remove),
+ .remove = socrates_nand_remove,
};
module_platform_driver(socrates_nand_driver);