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authorJared Hulbert <jaredeh@gmail.com>2008-04-29 23:26:49 -0700
committerDavid Woodhouse <dwmw2@infradead.org>2008-05-01 18:59:11 +0100
commita98889f3d8882995b5aa2255b931cf0202325cc0 (patch)
tree686a1d3369143dc46c43709e0c40b2cc8ef619d7 /include/linux
parent27c72b040c0be8f3704ed0b6b84c12cbba24a7e8 (diff)
[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>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mtd/mtd.h6
-rw-r--r--include/linux/mtd/pmc551.h5
2 files changed, 7 insertions, 4 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 0a13bb35f04..245f9098e17 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -143,10 +143,12 @@ struct mtd_info {
int (*erase) (struct mtd_info *mtd, struct erase_info *instr);
/* This stuff for eXecute-In-Place */
- int (*point) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf);
+ /* phys is optional and may be set to NULL */
+ int (*point) (struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, void **virt, resource_size_t *phys);
/* We probably shouldn't allow XIP if the unpoint isn't a NULL */
- void (*unpoint) (struct mtd_info *mtd, u_char * addr, loff_t from, size_t len);
+ void (*unpoint) (struct mtd_info *mtd, loff_t from, size_t len);
int (*read) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
diff --git a/include/linux/mtd/pmc551.h b/include/linux/mtd/pmc551.h
index a7f6d20ad40..5cc070c24d8 100644
--- a/include/linux/mtd/pmc551.h
+++ b/include/linux/mtd/pmc551.h
@@ -36,8 +36,9 @@ struct mypriv {
* Function Prototypes
*/
static int pmc551_erase(struct mtd_info *, struct erase_info *);
-static void pmc551_unpoint(struct mtd_info *, u_char *, loff_t, size_t);
-static int pmc551_point (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf);
+static void pmc551_unpoint(struct mtd_info *, loff_t, size_t);
+static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, void **virt, resource_size_t *phys);
static int pmc551_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *);
static int pmc551_write(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);