Merge tag 'for-linus-20141015' of git://git.infradead.org/linux-mtd
Merge commit. Changes below are compared with the first parent: 88ed806a.
Changes
45 files changed · +757 −562
Only the first 600 diff lines are shown. Download the complete patch.
Documentation/devicetree/bindings/mtd/atmel-nand.txt
View filediff --git a/Documentation/devicetree/bindings/mtd/atmel-nand.txt b/Documentation/devicetree/bindings/mtd/atmel-nand.txt
index c472883..6edc3b6 100644
--- a/Documentation/devicetree/bindings/mtd/atmel-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/atmel-nand.txt
@@ -36,6 +36,7 @@ Optional properties:
- reg : should specify the address and size used for NFC command registers,
NFC registers and NFC Sram. NFC Sram address and size can be absent
if don't want to use it.
+ - clocks: phandle to the peripheral clock
- Optional properties:
- atmel,write-by-sram: boolean to enable NFC write by sram.
@@ -98,6 +99,7 @@ nand0: nand@40000000 {
compatible = "atmel,sama5d3-nfc";
#address-cells = <1>;
#size-cells = <1>;
+ clocks = <&hsmc_clk>
reg = <
0x70000000 0x10000000 /* NFC Command Registers */
0xffffc000 0x00000070 /* NFC HSMC regs */
Documentation/devicetree/bindings/mtd/mtd-physmap.txt
View filediff --git a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
index 61c5ec8..6b9f680 100644
--- a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
+++ b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
@@ -4,8 +4,8 @@ Flash chips (Memory Technology Devices) are often used for solid state
file systems on embedded devices.
- compatible : should contain the specific model of mtd chip(s)
- used, if known, followed by either "cfi-flash", "jedec-flash"
- or "mtd-ram".
+ used, if known, followed by either "cfi-flash", "jedec-flash",
+ "mtd-ram" or "mtd-rom".
- reg : Address range(s) of the mtd chip(s)
It's possible to (optionally) define multiple "reg" tuples so that
non-identical chips can be described in one node.
MAINTAINERS
View filediff --git a/MAINTAINERS b/MAINTAINERS
index 90baf1b..6c59c66 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5992,6 +5992,7 @@ L: [email protected]
W: http://www.linux-mtd.infradead.org/
Q: http://patchwork.ozlabs.org/project/linux-mtd/list/
T: git git://git.infradead.org/linux-mtd.git
+T: git git://git.infradead.org/l2-mtd.git
S: Maintained
F: drivers/mtd/
F: include/linux/mtd/
arch/arm/mach-omap2/gpmc.c
View filediff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index a4d52c4..5fa3755 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -1440,6 +1440,8 @@ static int gpmc_probe_nand_child(struct platform_device *pdev,
break;
}
+ gpmc_nand_data->flash_bbt = of_get_nand_on_flash_bbt(child);
+
val = of_get_nand_bus_width(child);
if (val == 16)
gpmc_nand_data->devsize = NAND_BUSWIDTH_16;
drivers/mtd/bcm47xxpart.c
View filediff --git a/drivers/mtd/bcm47xxpart.c b/drivers/mtd/bcm47xxpart.c
index adfa74c..8057f52 100644
--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -199,6 +199,17 @@ static int bcm47xxpart_parse(struct mtd_info *master,
continue;
}
+ /*
+ * New (ARM?) devices may have NVRAM in some middle block. Last
+ * block will be checked later, so skip it.
+ */
+ if (offset != master->size - blocksize &&
+ buf[0x000 / 4] == NVRAM_HEADER) {
+ bcm47xxpart_add_part(&parts[curr_part++], "nvram",
+ offset, 0);
+ continue;
+ }
+
/* Read middle of the block */
if (mtd_read(master, offset + 0x8000, 0x4,
&bytes_read, (uint8_t *)buf) < 0) {
drivers/mtd/chips/cfi_cmdset_0002.c
View filediff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 46c4643..c50d8cf 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -2033,6 +2033,8 @@ static int cfi_amdstd_panic_wait(struct map_info *map, struct flchip *chip,
udelay(1);
}
+
+ retries--;
}
/* the chip never became ready */
drivers/mtd/devices/Makefile
View filediff --git a/drivers/mtd/devices/Makefile b/drivers/mtd/devices/Makefile
index c68868f..f0b0e61 100644
--- a/drivers/mtd/devices/Makefile
+++ b/drivers/mtd/devices/Makefile
@@ -12,7 +12,6 @@ obj-$(CONFIG_MTD_LART) += lart.o
obj-$(CONFIG_MTD_BLOCK2MTD) += block2mtd.o
obj-$(CONFIG_MTD_DATAFLASH) += mtd_dataflash.o
obj-$(CONFIG_MTD_M25P80) += m25p80.o
-obj-$(CONFIG_MTD_NAND_OMAP_BCH) += elm.o
obj-$(CONFIG_MTD_SPEAR_SMI) += spear_smi.o
obj-$(CONFIG_MTD_SST25L) += sst25l.o
obj-$(CONFIG_MTD_BCM47XXSFLASH) += bcm47xxsflash.o
drivers/mtd/devices/docg3.c
View filediff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index 91a169c..21cc4b6 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -1697,16 +1697,16 @@ static int dbg_asicmode_show(struct seq_file *s, void *p)
switch (mode) {
case DOC_ASICMODE_RESET:
- pos += seq_printf(s, "reset");
+ pos += seq_puts(s, "reset");
break;
case DOC_ASICMODE_NORMAL:
- pos += seq_printf(s, "normal");
+ pos += seq_puts(s, "normal");
break;
case DOC_ASICMODE_POWERDOWN:
- pos += seq_printf(s, "powerdown");
+ pos += seq_puts(s, "powerdown");
break;
}
- pos += seq_printf(s, ")\n");
+ pos += seq_puts(s, ")\n");
return pos;
}
DEBUGFS_RO_ATTR(asic_mode, dbg_asicmode_show);
@@ -1745,22 +1745,22 @@ static int dbg_protection_show(struct seq_file *s, void *p)
pos += seq_printf(s, "Protection = 0x%02x (",
protect);
if (protect & DOC_PROTECT_FOUNDRY_OTP_LOCK)
- pos += seq_printf(s, "FOUNDRY_OTP_LOCK,");
+ pos += seq_puts(s, "FOUNDRY_OTP_LOCK,");
if (protect & DOC_PROTECT_CUSTOMER_OTP_LOCK)
- pos += seq_printf(s, "CUSTOMER_OTP_LOCK,");
+ pos += seq_puts(s, "CUSTOMER_OTP_LOCK,");
if (protect & DOC_PROTECT_LOCK_INPUT)
- pos += seq_printf(s, "LOCK_INPUT,");
+ pos += seq_puts(s, "LOCK_INPUT,");
if (protect & DOC_PROTECT_STICKY_LOCK)
- pos += seq_printf(s, "STICKY_LOCK,");
+ pos += seq_puts(s, "STICKY_LOCK,");
if (protect & DOC_PROTECT_PROTECTION_ENABLED)
- pos += seq_printf(s, "PROTECTION ON,");
+ pos += seq_puts(s, "PROTECTION ON,");
if (protect & DOC_PROTECT_IPL_DOWNLOAD_LOCK)
- pos += seq_printf(s, "IPL_DOWNLOAD_LOCK,");
+ pos += seq_puts(s, "IPL_DOWNLOAD_LOCK,");
if (protect & DOC_PROTECT_PROTECTION_ERROR)
- pos += seq_printf(s, "PROTECT_ERR,");
+ pos += seq_puts(s, "PROTECT_ERR,");
else
- pos += seq_printf(s, "NO_PROTECT_ERR");
- pos += seq_printf(s, ")\n");
+ pos += seq_puts(s, "NO_PROTECT_ERR");
+ pos += seq_puts(s, ")\n");
pos += seq_printf(s, "DPS0 = 0x%02x : "
"Protected area [0x%x - 0x%x] : OTP=%d, READ=%d, "
drivers/mtd/devices/m25p80.c
View filediff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index ed7e0a1..dcda628 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -193,11 +193,14 @@ static int m25p_probe(struct spi_device *spi)
{
struct mtd_part_parser_data ppdata;
struct flash_platform_data *data;
+ const struct spi_device_id *id = NULL;
struct m25p *flash;
struct spi_nor *nor;
enum read_mode mode = SPI_NOR_NORMAL;
int ret;
+ data = dev_get_platdata(&spi->dev);
+
flash = devm_kzalloc(&spi->dev, sizeof(*flash), GFP_KERNEL);
if (!flash)
return -ENOMEM;
@@ -223,11 +226,26 @@ static int m25p_probe(struct spi_device *spi)
mode = SPI_NOR_QUAD;
else if (spi->mode & SPI_RX_DUAL)
mode = SPI_NOR_DUAL;
- ret = spi_nor_scan(nor, spi_get_device_id(spi), mode);
+
+ if (data && data->name)
+ flash->mtd.name = data->name;
+
+ /* For some (historical?) reason many platforms provide two different
+ * names in flash_platform_data: "name" and "type". Quite often name is
+ * set to "m25p80" and then "type" provides a real chip name.
+ * If that's the case, respect "type" and ignore a "name".
+ */
+ if (data && data->type)
+ id = spi_nor_match_id(data->type);
+
+ /* If we didn't get name from platform, simply use "modalias". */
+ if (!id)
+ id = spi_get_device_id(spi);
+
+ ret = spi_nor_scan(nor, id, mode);
if (ret)
return ret;
- data = dev_get_platdata(&spi->dev);
ppdata.of_node = spi->dev.of_node;
return mtd_device_parse_register(&flash->mtd, NULL, &ppdata,
drivers/mtd/maps/Kconfig
View filediff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 21b2874..ba801d2 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -249,7 +249,7 @@ config MTD_CFI_FLAGADM
config MTD_SOLUTIONENGINE
tristate "CFI Flash device mapped on Hitachi SolutionEngine"
- depends on SUPERH && SOLUTION_ENGINE && MTD_CFI && MTD_REDBOOT_PARTS
+ depends on SOLUTION_ENGINE && MTD_CFI && MTD_REDBOOT_PARTS
help
This enables access to the flash chips on the Hitachi SolutionEngine and
similar boards. Say 'Y' if you are building a kernel for such a board.
drivers/mtd/maps/gpio-addr-flash.c
View filediff --git a/drivers/mtd/maps/gpio-addr-flash.c b/drivers/mtd/maps/gpio-addr-flash.c
index a4c477b..2fb3460 100644
--- a/drivers/mtd/maps/gpio-addr-flash.c
+++ b/drivers/mtd/maps/gpio-addr-flash.c
@@ -99,22 +99,28 @@ static map_word gf_read(struct map_info *map, unsigned long ofs)
* @from: flash offset to copy from
* @len: how much to copy
*
- * We rely on the MTD layer to chunk up copies such that a single request here
- * will not cross a window size. This allows us to only wiggle the GPIOs once
- * before falling back to a normal memcpy. Reading the higher layer code shows
- * that this is indeed the case, but add a BUG_ON() to future proof.
+ * The "from" region may straddle more than one window, so toggle the GPIOs for
+ * each window region before reading its data.
*/
static void gf_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
{
struct async_state *state = gf_map_info_to_state(map);
- gf_set_gpios(state, from);
+ int this_len;
- /* BUG if operation crosses the win_size */
- BUG_ON(!((from + len) % state->win_size <= (from + len)));
+ while (len) {
+ if ((from % state->win_size) + len > state->win_size)
+ this_len = state->win_size - (from % state->win_size);
+ else
+ this_len = len;
- /* operation does not cross the win_size, so one shot it */
- memcpy_fromio(to, map->virt + (from % state->win_size), len);
+ gf_set_gpios(state, from);
+ memcpy_fromio(to, map->virt + (from % state->win_size),
+ this_len);
+ len -= this_len;
+ from += this_len;
+ to += this_len;
+ }
}
/**
@@ -147,13 +153,21 @@ static void gf_copy_to(struct map_info *map, unsigned long to,
{
struct async_state *state = gf_map_info_to_state(map);
- gf_set_gpios(state, to);
+ int this_len;
+
+ while (len) {
+ if ((to % state->win_size) + len > state->win_size)
+ this_len = state->win_size - (to % state->win_size);
+ else
+ this_len = len;
- /* BUG if operation crosses the win_size */
- BUG_ON(!((to + len) % state->win_size <= (to + len)));
+ gf_set_gpios(state, to);
+ memcpy_toio(map->virt + (to % state->win_size), from, len);
- /* operation does not cross the win_size, so one shot it */
- memcpy_toio(map->virt + (to % state->win_size), from, len);
+ len -= this_len;
+ to += this_len;
+ from += this_len;
+ }
}
static const char * const part_probe_types[] = {
drivers/mtd/maps/pcmciamtd.c
View filediff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c
index a3cfad3..af747af 100644
--- a/drivers/mtd/maps/pcmciamtd.c
+++ b/drivers/mtd/maps/pcmciamtd.c
@@ -89,7 +89,7 @@ static caddr_t remap_window(struct map_info *map, unsigned long to)
if (!pcmcia_dev_present(dev->p_dev)) {
pr_debug("device removed\n");
- return 0;
+ return NULL;
}
offset = to & ~(dev->win_size-1);
drivers/mtd/maps/physmap_of.c
View filediff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index 217c25d..c1d21cb 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -103,7 +103,7 @@ static struct mtd_info *obsolete_probe(struct platform_device *dev,
if (strcmp(of_probe, "ROM") != 0)
dev_warn(&dev->dev, "obsolete_probe: don't know probe "
"type '%s', mapping as rom\n", of_probe);
- return do_map_probe("mtd_rom", map);
+ return do_map_probe("map_rom", map);
}
}
@@ -340,6 +340,10 @@ static struct of_device_id of_flash_match[] = {
.data = (void *)"map_ram",
},
{
+ .compatible = "mtd-rom",
+ .data = (void *)"map_rom",
+ },
+ {
.type = "rom",
.compatible = "direct-mapped"
},
drivers/mtd/mtdchar.c
View filediff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index a0f54e8..5356395 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -549,6 +549,9 @@ static int mtdchar_blkpg_ioctl(struct mtd_info *mtd,
if (mtd_is_partition(mtd))
return -EINVAL;
+ /* Sanitize user input */
+ p.devname[BLKPG_DEVNAMELTH - 1] = '\0';
+
return mtd_add_partition(mtd, p.devname, p.start, p.length);
case BLKPG_DEL_PARTITION:
drivers/mtd/mtdcore.c
View filediff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index e4831b4..4c61187 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -105,12 +105,11 @@ static LIST_HEAD(mtd_notifiers);
*/
static void mtd_release(struct device *dev)
{
- struct mtd_info __maybe_unused *mtd = dev_get_drvdata(dev);
+ struct mtd_info *mtd = dev_get_drvdata(dev);
dev_t index = MTD_DEVT(mtd->index);
- /* remove /dev/mtdXro node if needed */
- if (index)
- device_destroy(&mtd_class, index + 1);
+ /* remove /dev/mtdXro node */
+ device_destroy(&mtd_class, index + 1);
}
static int mtd_cls_suspend(struct device *dev, pm_message_t state)
@@ -442,10 +441,8 @@ int add_mtd_device(struct mtd_info *mtd)
if (device_register(&mtd->dev) != 0)
goto fail_added;
- if (MTD_DEVT(i))
- device_create(&mtd_class, mtd->dev.parent,
- MTD_DEVT(i) + 1,
- NULL, "mtd%dro", i);
+ device_create(&mtd_class, mtd->dev.parent, MTD_DEVT(i) + 1, NULL,
+ "mtd%dro", i);
pr_debug("mtd: Giving out device %d to %s\n", i, mtd->name);
/* No need to get a refcount on the module containing
@@ -778,7 +775,7 @@ EXPORT_SYMBOL_GPL(__put_mtd_device);
*/
int mtd_erase(struct mtd_info *mtd, struct erase_info *instr)
{
- if (instr->addr > mtd->size || instr->len > mtd->size - instr->addr)
+ if (instr->addr >= mtd->size || instr->len > mtd->size - instr->addr)
return -EINVAL;
if (!(mtd->flags & MTD_WRITEABLE))
return -EROFS;
@@ -804,7 +801,7 @@ int mtd_point(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen,
*phys = 0;
if (!mtd->_point)
return -EOPNOTSUPP;
- if (from < 0 || from > mtd->size || len > mtd->size - from)
+ if (from < 0 || from >= mtd->size || len > mtd->size - from)
return -EINVAL;
if (!len)
return 0;
@@ -817,7 +814,7 @@ int mtd_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
{
if (!mtd->_point)
return -EOPNOTSUPP;
- if (from < 0 || from > mtd->size || len > mtd->size - from)
+ if (from < 0 || from >= mtd->size || len > mtd->size - from)
return -EINVAL;
if (!len)
return 0;
@@ -835,7 +832,7 @@ unsigned long mtd_get_unmapped_area(struct mtd_info *mtd, unsigned long len,
{
if (!mtd->_get_unmapped_area)
return -EOPNOTSUPP;
- if (offset > mtd->size || len > mtd->size - offset)
+ if (offset >= mtd->size || len > mtd->size - offset)
return -EINVAL;
return mtd->_get_unmapped_area(mtd, len, offset, flags);
}
@@ -846,7 +843,7 @@ int mtd_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen,
{
int ret_code;
*retlen = 0;
- if (from < 0 || from > mtd->size || len > mtd->size - from)
+ if (from < 0 || from >= mtd->size || len > mtd->size - from)
return -EINVAL;
if (!len)
return 0;
@@ -869,7 +866,7 @@ int mtd_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
const u_char *buf)
{
*retlen = 0;
- if (to < 0 || to > mtd->size || len > mtd->size - to)
+ if (to < 0 || to >= mtd->size || len > mtd->size - to)
return -EINVAL;
if (!mtd->_write || !(mtd->flags & MTD_WRITEABLE))
return -EROFS;
@@ -892,7 +889,7 @@ int mtd_panic_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen,
*retlen = 0;
if (!mtd->_panic_write)
return -EOPNOTSUPP;
- if (to < 0 || to > mtd->size || len > mtd->size - to)
+ if (to < 0 || to >= mtd->size || len > mtd->size - to)
return -EINVAL;
if (!(mtd->flags & MTD_WRITEABLE))
return -EROFS;
@@ -1011,7 +1008,7 @@ int mtd_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{
if (!mtd->_lock)
return -EOPNOTSUPP;
- if (ofs < 0 || ofs > mtd->size || len > mtd->size - ofs)
+ if (ofs < 0 || ofs >= mtd->size || len > mtd->size - ofs)
return -EINVAL;
if (!len)
return 0;
@@ -1023,7 +1020,7 @@ int mtd_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{
if (!mtd->_unlock)
return -EOPNOTSUPP;
- if (ofs < 0 || ofs > mtd->size || len > mtd->size - ofs)
+ if (ofs < 0 || ofs >= mtd->size || len > mtd->size - ofs)
return -EINVAL;
if (!len)
return 0;
@@ -1035,7 +1032,7 @@ int mtd_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{
if (!mtd->_is_locked)
return -EOPNOTSUPP;
- if (ofs < 0 || ofs > mtd->size || len > mtd->size - ofs)
+ if (ofs < 0 || ofs >= mtd->size || len > mtd->size - ofs)
return -EINVAL;
if (!len)
return 0;
@@ -1045,7 +1042,7 @@ EXPORT_SYMBOL_GPL(mtd_is_locked);
int mtd_block_isreserved(struct mtd_info *mtd, loff_t ofs)
{
- if (ofs < 0 || ofs > mtd->size)
+ if (ofs < 0 || ofs >= mtd->size)
return -EINVAL;
if (!mtd->_block_isreserved)
return 0;
@@ -1055,7 +1052,7 @@ EXPORT_SYMBOL_GPL(mtd_block_isreserved);
int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs)
{
- if (ofs < 0 || ofs > mtd->size)
+ if (ofs < 0 || ofs >= mtd->size)
return -EINVAL;
if (!mtd->_block_isbad)
return 0;
@@ -1067,7 +1064,7 @@ int mtd_block_markbad(struct mtd_info *mtd, loff_t ofs)
{
if (!mtd->_block_markbad)
return -EOPNOTSUPP;
- if (ofs < 0 || ofs > mtd->size)
+ if (ofs < 0 || ofs >= mtd->size)
return -EINVAL;
if (!(mtd->flags & MTD_WRITEABLE))
return -EROFS;
drivers/mtd/mtdswap.c
View filediff --git a/drivers/mtd/mtdswap.c b/drivers/mtd/mtdswap.c
index 8b33b26..fc8b3d1 100644
--- a/drivers/mtd/mtdswap.c
+++ b/drivers/mtd/mtdswap.c
@@ -145,7 +145,7 @@ struct mtdswap_dev {
struct mtdswap_oobdata {
__le16 magic;
__le32 count;
-} __attribute__((packed));
+} __packed;
#define MTDSWAP_MAGIC_CLEAN 0x2095
#define MTDSWAP_MAGIC_DIRTY (MTDSWAP_MAGIC_CLEAN + 1)
@@ -1287,7 +1287,7 @@ static int mtdswap_show(struct seq_file *s, void *data)
seq_printf(s, "total erasures: %lu\n", sum);
- seq_printf(s, "\n");
+ seq_puts(s, "\n");
seq_printf(s, "mtdswap_readsect count: %llu\n", d->sect_read_count);
seq_printf(s, "mtdswap_writesect count: %llu\n", d->sect_write_count);
@@ -1296,7 +1296,7 @@ static int mtdswap_show(struct seq_file *s, void *data)
seq_printf(s, "mtd write count: %llu\n", d->mtd_write_count);
seq_printf(s, "discarded pages count: %llu\n", d->discard_page_count);
- seq_printf(s, "\n");
+ seq_puts(s, "\n");
seq_printf(s, "total pages: %u\n", pages);
seq_printf(s, "pages mapped: %u\n", mapped);
@@ -1474,7 +1474,7 @@ static void mtdswap_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
}
eblocks = mtd_div_by_eb(use_size, mtd);
- use_size = eblocks * mtd->erasesize;
+ use_size = (uint64_t)eblocks * mtd->erasesize;
bad_blocks = mtdswap_badblocks(mtd, use_size);
eavailable = eblocks - bad_blocks;
drivers/mtd/nand/Kconfig
View filediff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index f1cf503..dd10646 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -96,7 +96,7 @@ config MTD_NAND_OMAP2
config MTD_NAND_OMAP_BCH
depends on MTD_NAND_OMAP2
- tristate "Support hardware based BCH error correction"
+ bool "Support hardware based BCH error correction"
default n
select BCH
help
@@ -104,7 +104,10 @@ config MTD_NAND_OMAP_BCH
locate and correct errors when using BCH ECC scheme. This offloads
the cpu from doing ECC error searching and correction. However some
legacy OMAP families like OMAP2xxx, OMAP3xxx do not have ELM engine
- so they should not enable this config symbol.
+ so this is optional for them.
+
+config MTD_NAND_OMAP_BCH_BUILD
+ def_tristate MTD_NAND_OMAP2 && MTD_NAND_OMAP_BCH
config MTD_NAND_IDS
tristate
drivers/mtd/nand/Makefile
View filediff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index a035e7c..9c847e4 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -27,6 +27,7 @@ obj-$(CONFIG_MTD_NAND_NDFC) += ndfc.o
obj-$(CONFIG_MTD_NAND_ATMEL) += atmel_nand.o
obj-$(CONFIG_MTD_NAND_GPIO) += gpio.o
obj-$(CONFIG_MTD_NAND_OMAP2) += omap2.o
+obj-$(CONFIG_MTD_NAND_OMAP_BCH_BUILD) += omap_elm.o
obj-$(CONFIG_MTD_NAND_CM_X270) += cmx270_nand.o
obj-$(CONFIG_MTD_NAND_PXA3xx) += pxa3xx_nand.o
obj-$(CONFIG_MTD_NAND_TMIO) += tmio_nand.o
drivers/mtd/nand/atmel_nand.c
View filediff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index e321c56..19d1e9d 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -27,6 +27,7 @@
*
*/
+#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <linux/module.h>
@@ -96,6 +97,8 @@ struct atmel_nfc {
bool use_nfc_sram;
bool write_by_sram;
+ struct clk *clk;
+
bool is_initialized;
struct completion comp_ready;
struct completion comp_cmd_done;
@@ -128,8 +131,6 @@ struct atmel_nand_host {
u32 pmecc_lookup_table_offset_512;
u32 pmecc_lookup_table_offset_1024;
- int pmecc_bytes_per_sector;
- int pmecc_sector_number;
int pmecc_degree; /* Degree of remainders */
This diff is incomplete. Download the complete patch.
drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/nand/denali.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/nand/denali.h
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/nand/nand_base.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/nand/nand_bbt.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/nand/nand_ids.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/nand/nand_timings.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/nand/nandsim.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/nand/ndfc.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/nand/omap2.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/nand/omap_elm.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/nand/sm_common.h
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/sm_ftl.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/spi-nor/Kconfig
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/spi-nor/spi-nor.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/tests/mtd_test.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/tests/nandbiterrs.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/tests/oobtest.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/tests/pagetest.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/tests/readtest.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/tests/speedtest.c
View fileThis diff is incomplete. Download the complete patch.
drivers/mtd/tests/subpagetest.c
View fileThis diff is incomplete. Download the complete patch.
include/linux/mtd/cfi.h
View fileThis diff is incomplete. Download the complete patch.
include/linux/mtd/nand.h
View fileThis diff is incomplete. Download the complete patch.
include/linux/platform_data/elm.h
View fileThis diff is incomplete. Download the complete patch.
include/linux/platform_data/mtd-nand-omap2.h
View fileThis diff is incomplete. Download the complete patch.