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| author | Jared Hulbert <jaredeh@gmail.com> | 2008-04-29 23:26:49 -0700 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2008-05-01 18:59:11 +0100 |
| commit | a98889f3d8882995b5aa2255b931cf0202325cc0 (patch) | |
| tree | 686a1d3369143dc46c43709e0c40b2cc8ef619d7 /include | |
| parent | 27c72b040c0be8f3704ed0b6b84c12cbba24a7e8 (diff) | |
| download | op-kernel-dev-a98889f3d8882995b5aa2255b931cf0202325cc0.zip op-kernel-dev-a98889f3d8882995b5aa2255b931cf0202325cc0.tar.gz | |
[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')
| -rw-r--r-- | include/linux/mtd/mtd.h | 6 | ||||
| -rw-r--r-- | include/linux/mtd/pmc551.h | 5 |
2 files changed, 7 insertions, 4 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index 0a13bb3..245f909 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 a7f6d20..5cc070c 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 *); |
