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-rw-r--r--drivers/mtd/chips/cfi_cmdset_0001.c14
-rw-r--r--drivers/mtd/devices/mtdram.c11
-rw-r--r--drivers/mtd/devices/phram.c13
-rw-r--r--drivers/mtd/devices/pmc551.c27
-rw-r--r--drivers/mtd/devices/slram.c15
-rw-r--r--drivers/mtd/maps/uclinux.c6
-rw-r--r--drivers/mtd/mtdpart.c8
-rw-r--r--drivers/mtd/nand/at91_nand.c42
8 files changed, 78 insertions, 58 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index e812df607a5c..fcd1aeccdf93 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -82,9 +82,8 @@ static struct mtd_info *cfi_intelext_setup (struct mtd_info *);
static int cfi_intelext_partition_fixup(struct mtd_info *, struct cfi_private **);
static int cfi_intelext_point (struct mtd_info *mtd, loff_t from, size_t len,
- size_t *retlen, u_char **mtdbuf);
-static void cfi_intelext_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from,
- size_t len);
+ size_t *retlen, void **virt, resource_size_t *phys);
+static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len);
static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long adr, int mode);
static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr, int mode);
@@ -1240,7 +1239,8 @@ static int do_point_onechip (struct map_info *map, struct flchip *chip, loff_t a
return ret;
}
-static int cfi_intelext_point (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf)
+static int cfi_intelext_point(struct mtd_info *mtd, loff_t from, size_t len,
+ size_t *retlen, void **virt, resource_size_t *phys)
{
struct map_info *map = mtd->priv;
struct cfi_private *cfi = map->fldrv_priv;
@@ -1257,8 +1257,10 @@ static int cfi_intelext_point (struct mtd_info *mtd, loff_t from, size_t len, si
chipnum = (from >> cfi->chipshift);
ofs = from - (chipnum << cfi->chipshift);
- *mtdbuf = (void *)map->virt + cfi->chips[chipnum].start + ofs;
+ *virt = map->virt + cfi->chips[chipnum].start + ofs;
*retlen = 0;
+ if (phys)
+ *phys = map->phys + cfi->chips[chipnum].start + ofs;
while (len) {
unsigned long thislen;
@@ -1291,7 +1293,7 @@ static int cfi_intelext_point (struct mtd_info *mtd, loff_t from, size_t len, si
return 0;
}
-static void cfi_intelext_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from, size_t len)
+static void cfi_intelext_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
{
struct map_info *map = mtd->priv;
struct cfi_private *cfi = map->fldrv_priv;
diff --git a/drivers/mtd/devices/mtdram.c b/drivers/mtd/devices/mtdram.c
index bf485ff49457..0399be178620 100644
--- a/drivers/mtd/devices/mtdram.c
+++ b/drivers/mtd/devices/mtdram.c
@@ -48,18 +48,21 @@ static int ram_erase(struct mtd_info *mtd, struct erase_info *instr)
}
static int ram_point(struct mtd_info *mtd, loff_t from, size_t len,
- size_t *retlen, u_char **mtdbuf)
+ size_t *retlen, void **virt, resource_size_t *phys)
{
if (from + len > mtd->size)
return -EINVAL;
- *mtdbuf = mtd->priv + from;
+ /* can we return a physical address with this driver? */
+ if (phys)
+ return -EINVAL;
+
+ *virt = mtd->priv + from;
*retlen = len;
return 0;
}
-static void ram_unpoint(struct mtd_info *mtd, u_char * addr, loff_t from,
- size_t len)
+static void ram_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
{
}
diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
index 5f960182da95..c7987b1c5e01 100644
--- a/drivers/mtd/devices/phram.c
+++ b/drivers/mtd/devices/phram.c
@@ -57,20 +57,21 @@ static int phram_erase(struct mtd_info *mtd, struct erase_info *instr)
}
static int phram_point(struct mtd_info *mtd, loff_t from, size_t len,
- size_t *retlen, u_char **mtdbuf)
+ size_t *retlen, void **virt, resource_size_t *phys)
{
- u_char *start = mtd->priv;
-
if (from + len > mtd->size)
return -EINVAL;
- *mtdbuf = start + from;
+ /* can we return a physical address with this driver? */
+ if (phys)
+ return -EINVAL;
+
+ *virt = mtd->priv + from;
*retlen = len;
return 0;
}
-static void phram_unpoint(struct mtd_info *mtd, u_char *addr, loff_t from,
- size_t len)
+static void phram_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
{
}
diff --git a/drivers/mtd/devices/pmc551.c b/drivers/mtd/devices/pmc551.c
index 7060a0895ce2..bc9981749064 100644
--- a/drivers/mtd/devices/pmc551.c
+++ b/drivers/mtd/devices/pmc551.c
@@ -134,7 +134,8 @@ static int pmc551_erase(struct mtd_info *mtd, struct erase_info *instr)
eoff_lo = end & (priv->asize - 1);
soff_lo = instr->addr & (priv->asize - 1);
- pmc551_point(mtd, instr->addr, instr->len, &retlen, &ptr);
+ pmc551_point(mtd, instr->addr, instr->len, &retlen,
+ (void **)&ptr, NULL);
if (soff_hi == eoff_hi || mtd->size == priv->asize) {
/* The whole thing fits within one access, so just one shot
@@ -154,7 +155,8 @@ static int pmc551_erase(struct mtd_info *mtd, struct erase_info *instr)
}
soff_hi += priv->asize;
pmc551_point(mtd, (priv->base_map0 | soff_hi),
- priv->asize, &retlen, &ptr);
+ priv->asize, &retlen,
+ (void **)&ptr, NULL);
}
memset(ptr, 0xff, eoff_lo);
}
@@ -170,7 +172,7 @@ static int pmc551_erase(struct mtd_info *mtd, struct erase_info *instr)
}
static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len,
- size_t * retlen, u_char ** mtdbuf)
+ size_t *retlen, void **virt, resource_size_t *phys)
{
struct mypriv *priv = mtd->priv;
u32 soff_hi;
@@ -188,6 +190,10 @@ static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len,
return -EINVAL;
}
+ /* can we return a physical address with this driver? */
+ if (phys)
+ return -EINVAL;
+
soff_hi = from & ~(priv->asize - 1);
soff_lo = from & (priv->asize - 1);
@@ -198,13 +204,12 @@ static int pmc551_point(struct mtd_info *mtd, loff_t from, size_t len,
priv->curr_map0 = soff_hi;
}
- *mtdbuf = priv->start + soff_lo;
+ *virt = priv->start + soff_lo;
*retlen = len;
return 0;
}
-static void pmc551_unpoint(struct mtd_info *mtd, u_char * addr, loff_t from,
- size_t len)
+static void pmc551_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
{
#ifdef CONFIG_MTD_PMC551_DEBUG
printk(KERN_DEBUG "pmc551_unpoint()\n");
@@ -242,7 +247,7 @@ static int pmc551_read(struct mtd_info *mtd, loff_t from, size_t len,
soff_lo = from & (priv->asize - 1);
eoff_lo = end & (priv->asize - 1);
- pmc551_point(mtd, from, len, retlen, &ptr);
+ pmc551_point(mtd, from, len, retlen, (void **)&ptr, NULL);
if (soff_hi == eoff_hi) {
/* The whole thing fits within one access, so just one shot
@@ -263,7 +268,8 @@ static int pmc551_read(struct mtd_info *mtd, loff_t from, size_t len,
goto out;
}
soff_hi += priv->asize;
- pmc551_point(mtd, soff_hi, priv->asize, retlen, &ptr);
+ pmc551_point(mtd, soff_hi, priv->asize, retlen,
+ (void **)&ptr, NULL);
}
memcpy(copyto, ptr, eoff_lo);
copyto += eoff_lo;
@@ -308,7 +314,7 @@ static int pmc551_write(struct mtd_info *mtd, loff_t to, size_t len,
soff_lo = to & (priv->asize - 1);
eoff_lo = end & (priv->asize - 1);
- pmc551_point(mtd, to, len, retlen, &ptr);
+ pmc551_point(mtd, to, len, retlen, (void **)&ptr, NULL);
if (soff_hi == eoff_hi) {
/* The whole thing fits within one access, so just one shot
@@ -329,7 +335,8 @@ static int pmc551_write(struct mtd_info *mtd, loff_t to, size_t len,
goto out;
}
soff_hi += priv->asize;
- pmc551_point(mtd, soff_hi, priv->asize, retlen, &ptr);
+ pmc551_point(mtd, soff_hi, priv->asize, retlen,
+ (void **)&ptr, NULL);
}
memcpy(ptr, copyfrom, eoff_lo);
copyfrom += eoff_lo;
diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c
index d293add1857c..cb86db746f28 100644
--- a/drivers/mtd/devices/slram.c
+++ b/drivers/mtd/devices/slram.c
@@ -76,8 +76,9 @@ static char *map;
static slram_mtd_list_t *slram_mtdlist = NULL;
static int slram_erase(struct mtd_info *, struct erase_info *);
-static int slram_point(struct mtd_info *, loff_t, size_t, size_t *, u_char **);
-static void slram_unpoint(struct mtd_info *, u_char *, loff_t, size_t);
+static int slram_point(struct mtd_info *, loff_t, size_t, size_t *, void **,
+ resource_size_t *);
+static void slram_unpoint(struct mtd_info *, loff_t, size_t);
static int slram_read(struct mtd_info *, loff_t, size_t, size_t *, u_char *);
static int slram_write(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
@@ -104,19 +105,23 @@ static int slram_erase(struct mtd_info *mtd, struct erase_info *instr)
}
static int slram_point(struct mtd_info *mtd, loff_t from, size_t len,
- size_t *retlen, u_char **mtdbuf)
+ size_t *retlen, void **virt, resource_size_t *phys)
{
slram_priv_t *priv = mtd->priv;
+ /* can we return a physical address with this driver? */
+ if (phys)
+ return -EINVAL;
+
if (from + len > mtd->size)
return -EINVAL;
- *mtdbuf = priv->start + from;
+ *virt = priv->start + from;
*retlen = len;
return(0);
}
-static void slram_unpoint(struct mtd_info *mtd, u_char *addr, loff_t from, size_t len)
+static void slram_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
{
}
diff --git a/drivers/mtd/maps/uclinux.c b/drivers/mtd/maps/uclinux.c
index 14ffb1a9302a..c42f4b83f686 100644
--- a/drivers/mtd/maps/uclinux.c
+++ b/drivers/mtd/maps/uclinux.c
@@ -40,10 +40,12 @@ struct mtd_partition uclinux_romfs[] = {
/****************************************************************************/
int uclinux_point(struct mtd_info *mtd, loff_t from, size_t len,
- size_t *retlen, u_char **mtdbuf)
+ size_t *retlen, void **virt, resource_size_t *phys)
{
struct map_info *map = mtd->priv;
- *mtdbuf = (u_char *) (map->virt + ((int) from));
+ *virt = map->virt + from;
+ if (phys)
+ *phys = map->phys + from;
*retlen = len;
return(0);
}
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index c66902df3171..07c701169344 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -68,7 +68,7 @@ static int part_read (struct mtd_info *mtd, loff_t from, size_t len,
}
static int part_point (struct mtd_info *mtd, loff_t from, size_t len,
- size_t *retlen, u_char **buf)
+ size_t *retlen, void **virt, resource_size_t *phys)
{
struct mtd_part *part = PART(mtd);
if (from >= mtd->size)
@@ -76,14 +76,14 @@ static int part_point (struct mtd_info *mtd, loff_t from, size_t len,
else if (from + len > mtd->size)
len = mtd->size - from;
return part->master->point (part->master, from + part->offset,
- len, retlen, buf);
+ len, retlen, virt, phys);
}
-static void part_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from, size_t len)
+static void part_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
{
struct mtd_part *part = PART(mtd);
- part->master->unpoint (part->master, addr, from + part->offset, len);
+ part->master->unpoint(part->master, from + part->offset, len);
}
static int part_read_oob(struct mtd_info *mtd, loff_t from,
diff --git a/drivers/mtd/nand/at91_nand.c b/drivers/mtd/nand/at91_nand.c
index 414ceaecdb3a..0adb287027a2 100644
--- a/drivers/mtd/nand/at91_nand.c
+++ b/drivers/mtd/nand/at91_nand.c
@@ -94,6 +94,24 @@ struct at91_nand_host {
};
/*
+ * Enable NAND.
+ */
+static void at91_nand_enable(struct at91_nand_host *host)
+{
+ if (host->board->enable_pin)
+ at91_set_gpio_value(host->board->enable_pin, 0);
+}
+
+/*
+ * Disable NAND.
+ */
+static void at91_nand_disable(struct at91_nand_host *host)
+{
+ if (host->board->enable_pin)
+ at91_set_gpio_value(host->board->enable_pin, 1);
+}
+
+/*
* Hardware specific access to control-lines
*/
static void at91_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
@@ -101,11 +119,11 @@ static void at91_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
struct nand_chip *nand_chip = mtd->priv;
struct at91_nand_host *host = nand_chip->priv;
- if (host->board->enable_pin && (ctrl & NAND_CTRL_CHANGE)) {
+ if (ctrl & NAND_CTRL_CHANGE) {
if (ctrl & NAND_NCE)
- at91_set_gpio_value(host->board->enable_pin, 0);
+ at91_nand_enable(host);
else
- at91_set_gpio_value(host->board->enable_pin, 1);
+ at91_nand_disable(host);
}
if (cmd == NAND_CMD_NONE)
return;
@@ -128,24 +146,6 @@ static int at91_nand_device_ready(struct mtd_info *mtd)
}
/*
- * Enable NAND.
- */
-static void at91_nand_enable(struct at91_nand_host *host)
-{
- if (host->board->enable_pin)
- at91_set_gpio_value(host->board->enable_pin, 0);
-}
-
-/*
- * Disable NAND.
- */
-static void at91_nand_disable(struct at91_nand_host *host)
-{
- if (host->board->enable_pin)
- at91_set_gpio_value(host->board->enable_pin, 1);
-}
-
-/*
* write oob for small pages
*/
static int at91_nand_write_oob_512(struct mtd_info *mtd,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 01:46:52 +0000