Commit d35ea200 authored by Artem Bityutskiy's avatar Artem Bityutskiy Committed by David Woodhouse

mtd: introduce mtd_point interface

Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 7e1f0dc0
......@@ -89,8 +89,8 @@ static int part_point(struct mtd_info *mtd, loff_t from, size_t len,
len = 0;
else if (from + len > mtd->size)
len = mtd->size - from;
return part->master->point (part->master, from + part->offset,
len, retlen, virt, phys);
return mtd_point(part->master, from + part->offset, len, retlen,
virt, phys);
}
static void part_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
......
......@@ -340,8 +340,8 @@ 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, &ebuf, NULL);
ret = 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;
......
......@@ -63,8 +63,8 @@ static int check_node_data(struct jffs2_sb_info *c, struct jffs2_tmp_dnode_info
/* TODO: instead, incapsulate point() stuff to jffs2_flash_read(),
* adding and jffs2_flash_read_end() interface. */
if (c->mtd->point) {
err = c->mtd->point(c->mtd, ofs, len, &retlen,
(void **)&buffer, NULL);
err = mtd_point(c->mtd, ofs, len, &retlen, (void **)&buffer,
NULL);
if (!err && retlen < len) {
JFFS2_WARNING("MTD point returned len too short: %zu instead of %u.\n", retlen, tn->csize);
c->mtd->unpoint(c->mtd, ofs, retlen);
......
......@@ -97,7 +97,7 @@ int jffs2_scan_medium(struct jffs2_sb_info *c)
size_t pointlen, try_size;
if (c->mtd->point) {
ret = c->mtd->point(c->mtd, 0, c->mtd->size, &pointlen,
ret = mtd_point(c->mtd, 0, c->mtd->size, &pointlen,
(void **)&flashbuf, NULL);
if (!ret && pointlen < c->mtd->size) {
/* Don't muck about if it won't let us point to the whole flash */
......
......@@ -175,9 +175,6 @@ struct mtd_info {
* wrappers instead.
*/
int (*erase) (struct mtd_info *mtd, struct erase_info *instr);
/* This stuff for eXecute-In-Place */
/* 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);
......@@ -283,6 +280,15 @@ static inline int mtd_erase(struct mtd_info *mtd, struct erase_info *instr)
return mtd->erase(mtd, instr);
}
/*
* This stuff for eXecute-In-Place. phys is optional and may be set to NULL.
*/
static inline int mtd_point(struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, void **virt, resource_size_t *phys)
{
return mtd->point(mtd, from, len, retlen, virt, phys);
}
static inline struct mtd_info *dev_to_mtd(struct device *dev)
{
return dev ? dev_get_drvdata(dev) : NULL;
......
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