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path: root/drivers/mtd/maps/sun_uflash.c
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Diffstat (limited to 'drivers/mtd/maps/sun_uflash.c')
-rw-r--r--drivers/mtd/maps/sun_uflash.c26
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/mtd/maps/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c
index d467f3b11c96..ea3aa026b55b 100644
--- a/drivers/mtd/maps/sun_uflash.c
+++ b/drivers/mtd/maps/sun_uflash.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* sun_uflash.c - Driver for user-programmable flash on
* Sun Microsystems SME boardsets.
*
@@ -11,13 +12,12 @@
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/errno.h>
-#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/platform_device.h>
#include <linux/slab.h>
#include <asm/prom.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <asm/io.h>
#include <linux/mtd/mtd.h>
@@ -32,7 +32,6 @@
MODULE_AUTHOR("Eric Brower <ebrower@usa.net>");
MODULE_DESCRIPTION("User-programmable flash device on Sun Microsystems boardsets");
-MODULE_SUPPORTED_DEVICE(DRIVER_NAME);
MODULE_LICENSE("GPL");
MODULE_VERSION("2.1");
@@ -48,7 +47,7 @@ struct map_info uflash_map_templ = {
.bankwidth = UFLASH_BUSWIDTH,
};
-int uflash_devinit(struct platform_device *op, struct device_node *dp)
+static int uflash_devinit(struct platform_device *op, struct device_node *dp)
{
struct uflash_dev *up;
@@ -56,17 +55,15 @@ int uflash_devinit(struct platform_device *op, struct device_node *dp)
/* Non-CFI userflash device-- once I find one we
* can work on supporting it.
*/
- printk(KERN_ERR PFX "Unsupported device at %s, 0x%llx\n",
- dp->full_name, (unsigned long long)op->resource[0].start);
+ printk(KERN_ERR PFX "Unsupported device at %pOF, 0x%llx\n",
+ dp, (unsigned long long)op->resource[0].start);
return -ENODEV;
}
up = kzalloc(sizeof(struct uflash_dev), GFP_KERNEL);
- if (!up) {
- printk(KERN_ERR PFX "Cannot allocate struct uflash_dev\n");
+ if (!up)
return -ENOMEM;
- }
/* copy defaults and tweak parameters */
memcpy(&up->map, &uflash_map_templ, sizeof(uflash_map_templ));
@@ -75,7 +72,7 @@ int uflash_devinit(struct platform_device *op, struct device_node *dp)
up->name = of_get_property(dp, "model", NULL);
if (up->name && 0 < strlen(up->name))
- up->map.name = (char *)up->name;
+ up->map.name = up->name;
up->map.phys = op->resource[0].start;
@@ -115,13 +112,13 @@ static int uflash_probe(struct platform_device *op)
/* Flashprom must have the "user" property in order to
* be used by this driver.
*/
- if (!of_find_property(dp, "user", NULL))
+ if (!of_property_read_bool(dp, "user"))
return -ENODEV;
return uflash_devinit(op, dp);
}
-static int uflash_remove(struct platform_device *op)
+static void uflash_remove(struct platform_device *op)
{
struct uflash_dev *up = dev_get_drvdata(&op->dev);
@@ -135,8 +132,6 @@ static int uflash_remove(struct platform_device *op)
}
kfree(up);
-
- return 0;
}
static const struct of_device_id uflash_match[] = {
@@ -151,7 +146,6 @@ MODULE_DEVICE_TABLE(of, uflash_match);
static struct platform_driver uflash_driver = {
.driver = {
.name = DRIVER_NAME,
- .owner = THIS_MODULE,
.of_match_table = uflash_match,
},
.probe = uflash_probe,