[MTD][NOR] Add physical address to point() method

Adding the ability to get a physical address from point() in addition
to virtual address.  This physical address is required for XIP of
userspace code from flash.

Signed-off-by: Jared Hulbert <jaredeh@gmail.com>
Reviewed-by: Jörn Engel <joern@logfs.org>
Acked-by: Nicolas Pitre <nico@cam.org>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index 5e86f43616a1..dddb2a6c9e2c 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -332,7 +332,8 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl
         if (c->mtd->point) {
                 unsigned long *wordebuf;
 
-                ret = c->mtd->point(c->mtd, jeb->offset, c->sector_size, &retlen, (unsigned char **)&ebuf);
+                ret = c->mtd->point(c->mtd, jeb->offset, c->sector_size,
+                                    &retlen, &ebuf, NULL);
                 if (ret) {
                         D1(printk(KERN_DEBUG "MTD point failed %d\n", ret));
                         goto do_flash_read;
@@ -340,7 +341,7 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl
                 if (retlen < c->sector_size) {
                         /* Don't muck about if it won't let us point to the whole erase sector */
                         D1(printk(KERN_DEBUG "MTD point returned len too short: 0x%zx\n", retlen));
-                        c->mtd->unpoint(c->mtd, ebuf, jeb->offset, retlen);
+                        c->mtd->unpoint(c->mtd, jeb->offset, retlen);
                         goto do_flash_read;
                 }
                 wordebuf = ebuf-sizeof(*wordebuf);
@@ -349,7 +350,7 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl
                    if (*++wordebuf != ~0)
                            break;
                 } while(--retlen);
-                c->mtd->unpoint(c->mtd, ebuf, jeb->offset, c->sector_size);
+                c->mtd->unpoint(c->mtd, jeb->offset, c->sector_size);
                 if (retlen) {
                         printk(KERN_WARNING "Newly-erased block contained word 0x%lx at offset 0x%08tx\n",
                                *wordebuf, jeb->offset + c->sector_size-retlen*sizeof(*wordebuf));