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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.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/mtd/nand/socrates_nand.c b/drivers/mtd/nand/socrates_nand.c
index 09dde7d27178..fe8058a45054 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>
@@ -149,17 +150,13 @@ static int 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;
}
@@ -211,9 +208,7 @@ static int 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;
}
@@ -227,9 +222,7 @@ static int socrates_nand_remove(struct platform_device *ofdev)
nand_release(mtd);
- dev_set_drvdata(&ofdev->dev, NULL);
iounmap(host->io_base);
- kfree(host);
return 0;
}