mtd: add OOB ioctls for >4GiB devices

Signed-off-by: Kevin Cernekee <kpc.mtd@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 51bb0b092003..99d1fbc95011 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -607,6 +607,34 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
                 break;
         }
 
+        case MEMWRITEOOB64:
+        {
+                struct mtd_oob_buf64 buf;
+                struct mtd_oob_buf64 __user *buf_user = argp;
+
+                if (copy_from_user(&buf, argp, sizeof(buf)))
+                        ret = -EFAULT;
+                else
+                        ret = mtd_do_writeoob(file, mtd, buf.start, buf.length,
+                                (void __user *)(uintptr_t)buf.usr_ptr,
+                                &buf_user->length);
+                break;
+        }
+
+        case MEMREADOOB64:
+        {
+                struct mtd_oob_buf64 buf;
+                struct mtd_oob_buf64 __user *buf_user = argp;
+
+                if (copy_from_user(&buf, argp, sizeof(buf)))
+                        ret = -EFAULT;
+                else
+                        ret = mtd_do_readoob(mtd, buf.start, buf.length,
+                                (void __user *)(uintptr_t)buf.usr_ptr,
+                                &buf_user->length);
+                break;
+        }
+
         case MEMLOCK:
         {
                 struct erase_info_user einfo;