Merge branch 'for-next/mtd'

4 files changed, 40 insertions, 11 deletions

diff --git a/drivers/mtd/core.c b/drivers/mtd/core.c
index 5510439a87..a6132e8ac5 100644
--- a/drivers/mtd/core.c
+++ b/drivers/mtd/core.c
@@ -79,7 +79,7 @@ static ssize_t mtd_write(struct cdev* cdev, const void *buf, size_t _count,
 		return -EINVAL;
 	}
 
-	dev_dbg(cdev->dev, "write: 0x%08lx 0x%08x\n", offset, count);
+	dev_dbg(cdev->dev, "write: 0x%08lx 0x%08lx\n", offset, count);
 	while (count) {
 		now = count > mtd->writesize ? mtd->writesize : count;
 
@@ -100,7 +100,7 @@ static ssize_t mtd_write(struct cdev* cdev, const void *buf, size_t _count,
 				ret = mtd->write(mtd, offset, now, &retlen,
 						  buf);
 			dev_dbg(cdev->dev,
-				"offset: 0x%08lx now: 0x%08x retlen: 0x%08x\n",
+				"offset: 0x%08lx now: 0x%08lx retlen: 0x%08lx\n",
 				offset, now, retlen);
 		}
 		if (ret)
@@ -174,7 +174,7 @@ int mtd_ioctl(struct cdev *cdev, int request, void *buf)
 }
 
 #ifdef CONFIG_MTD_WRITE
-static ssize_t mtd_erase(struct cdev *cdev, size_t count, loff_t offset)
+static int mtd_erase(struct cdev *cdev, size_t count, loff_t offset)
 {
 	struct mtd_info *mtd = cdev->priv;
 	struct erase_info erase;
@@ -248,7 +248,7 @@ int add_mtd_device(struct mtd_info *mtd, char *devname)
 
 	list_for_each_entry(hook, &mtd_register_hooks, hook)
 		if (hook->add_mtd_device)
-			hook->add_mtd_device(mtd, devname);
+			hook->add_mtd_device(mtd, devname, &hook->priv);
 
 	return 0;
 }
@@ -259,7 +259,9 @@ int del_mtd_device (struct mtd_info *mtd)
 
 	list_for_each_entry(hook, &mtd_register_hooks, hook)
 		if (hook->del_mtd_device)
-			hook->del_mtd_device(mtd);
+			hook->del_mtd_device(mtd, &hook->priv);
+
+	devfs_remove(&mtd->cdev);
 	unregister_device(&mtd->class_dev);
 	free(mtd->param_size.value);
 	free(mtd->cdev.name);
diff --git a/drivers/mtd/mtd.h b/drivers/mtd/mtd.h
index c8af6e3c9d..414bd6cdb5 100644
--- a/drivers/mtd/mtd.h
+++ b/drivers/mtd/mtd.h
@@ -25,8 +25,9 @@
  */
 struct mtddev_hook {
 	struct list_head hook;
-	int (*add_mtd_device)(struct mtd_info *mtd, char *devname);
-	int (*del_mtd_device)(struct mtd_info *mtd);
+	int (*add_mtd_device)(struct mtd_info *mtd, char *devname, void **priv);
+	int (*del_mtd_device)(struct mtd_info *mtd, void **priv);
+	void *priv;
 };
 struct cdev;
 
diff --git a/drivers/mtd/mtdoob.c b/drivers/mtd/mtdoob.c
index e4dd1a00c8..c7bf40cef8 100644
--- a/drivers/mtd/mtdoob.c
+++ b/drivers/mtd/mtdoob.c
@@ -69,7 +69,7 @@ static struct file_operations mtd_ops_oob = {
 	.lseek  = dev_lseek_default,
 };
 
-static int add_mtdoob_device(struct mtd_info *mtd, char *devname)
+static int add_mtdoob_device(struct mtd_info *mtd, char *devname, void **priv)
 {
 	struct mtdoob *mtdoob;
 
@@ -80,13 +80,26 @@ static int add_mtdoob_device(struct mtd_info *mtd, char *devname)
 	mtdoob->cdev.priv = mtdoob;
 	mtdoob->cdev.dev = &mtd->class_dev;
 	mtdoob->mtd = mtd;
+	*priv = mtdoob;
 	devfs_create(&mtdoob->cdev);
 
 	return 0;
 }
 
+static int del_mtdoob_device(struct mtd_info *mtd, void **priv)
+{
+	struct mtdoob *mtdoob;
+
+	mtdoob = *priv;
+	devfs_remove(&mtdoob->cdev);
+	free(mtdoob);
+
+	return 0;
+}
+
 static struct mtddev_hook mtdoob_hook = {
 	.add_mtd_device = add_mtdoob_device,
+	.del_mtd_device = del_mtdoob_device,
 };
 
 static int __init register_mtdoob(void)
diff --git a/drivers/mtd/mtdraw.c b/drivers/mtd/mtdraw.c
index 24f7358098..16157e9f48 100644
--- a/drivers/mtd/mtdraw.c
+++ b/drivers/mtd/mtdraw.c
@@ -137,7 +137,7 @@ static ssize_t mtdraw_read(struct cdev *cdev, void *buf, size_t count,
 		retlen += ret;
 	}
 	if (ret < 0)
-		printf("err %d\n", ret);
+		printf("err %lu\n", ret);
 	else
 		ret = retlen;
 	return ret;
@@ -222,7 +222,7 @@ static ssize_t mtdraw_write(struct cdev *cdev, const void *buf, size_t count,
 	}
 }
 
-static ssize_t mtdraw_erase(struct cdev *cdev, size_t count, loff_t _offset)
+static int mtdraw_erase(struct cdev *cdev, size_t count, loff_t _offset)
 {
 	struct mtd_info *mtd = to_mtd(cdev);
 	struct erase_info erase;
@@ -275,7 +275,7 @@ static const struct file_operations mtd_raw_fops = {
 	.lseek		= dev_lseek_default,
 };
 
-static int add_mtdraw_device(struct mtd_info *mtd, char *devname)
+static int add_mtdraw_device(struct mtd_info *mtd, char *devname, void **priv)
 {
 	struct mtdraw *mtdraw;
 
@@ -290,13 +290,26 @@ static int add_mtdraw_device(struct mtd_info *mtd, char *devname)
 	mtdraw->cdev.priv = mtdraw;
 	mtdraw->cdev.dev = &mtd->class_dev;
 	mtdraw->cdev.mtd = mtd;
+	*priv = mtdraw;
 	devfs_create(&mtdraw->cdev);
 
 	return 0;
 }
 
+static int del_mtdraw_device(struct mtd_info *mtd, void **priv)
+{
+	struct mtdraw *mtdraw;
+
+	mtdraw = *priv;
+	devfs_remove(&mtdraw->cdev);
+	free(mtdraw);
+
+	return 0;
+}
+
 static struct mtddev_hook mtdraw_hook = {
 	.add_mtd_device = add_mtdraw_device,
+	.del_mtd_device = del_mtdraw_device,
 };
 
 static int __init register_mtdraw(void)