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-rw-r--r--drivers/mtd/Kconfig3
-rw-r--r--drivers/mtd/devices/Kconfig2
-rw-r--r--drivers/mtd/devices/mtd_dataflash.c2
-rw-r--r--drivers/mtd/mtd_blkdevs.c43
-rw-r--r--drivers/mtd/nand/Kconfig4
-rw-r--r--drivers/mtd/nand/davinci_nand.c7
-rw-r--r--drivers/mtd/nand/mxc_nand.c43
-rw-r--r--drivers/mtd/onenand/omap2.c1
8 files changed, 57 insertions, 48 deletions
diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index 7d04fb9ddcaa..b8e35a0b4d72 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -154,7 +154,8 @@ config MTD_AFS_PARTS
You will still need the parsing functions to be called by the driver
for your particular device. It won't happen automatically. The
- 'armflash' map driver (CONFIG_MTD_ARMFLASH) does this, for example.
+ 'armflash' map driver (CONFIG_MTD_ARM_INTEGRATOR) does this, for
+ example.
config MTD_OF_PARTS
tristate "Flash partition map based on OF description"
diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
index 6fde0a2e3567..325fab92a62c 100644
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -49,7 +49,7 @@ config MTD_MS02NV
If you want to compile this driver as a module ( = code which can be
inserted in and removed from the running kernel whenever you want),
say M here and read <file:Documentation/kbuild/modules.txt>.
- The module will be called ms02-nv.ko.
+ The module will be called ms02-nv.
config MTD_DATAFLASH
tristate "Support for AT45xxx DataFlash"
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index 62dee54af0a5..43976aa4dbb1 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -178,7 +178,7 @@ static int dataflash_erase(struct mtd_info *mtd, struct erase_info *instr)
/* Calculate flash page address; use block erase (for speed) if
* we're at a block boundary and need to erase the whole block.
*/
- pageaddr = div_u64(instr->len, priv->page_size);
+ pageaddr = div_u64(instr->addr, priv->page_size);
do_block = (pageaddr & 0x7) == 0 && instr->len >= blocksize;
pageaddr = pageaddr << priv->page_offset;
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index a49a9c8f2cb1..aaac3b6800b7 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -47,40 +47,41 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr,
unsigned long block, nsect;
char *buf;
- block = req->sector << 9 >> tr->blkshift;
- nsect = req->current_nr_sectors << 9 >> tr->blkshift;
+ block = blk_rq_pos(req) << 9 >> tr->blkshift;
+ nsect = blk_rq_cur_bytes(req) >> tr->blkshift;
buf = req->buffer;
if (req->cmd_type == REQ_TYPE_LINUX_BLOCK &&
req->cmd[0] == REQ_LB_OP_DISCARD)
- return !tr->discard(dev, block, nsect);
+ return tr->discard(dev, block, nsect);
if (!blk_fs_request(req))
- return 0;
+ return -EIO;
- if (req->sector + req->current_nr_sectors > get_capacity(req->rq_disk))
- return 0;
+ if (blk_rq_pos(req) + blk_rq_cur_sectors(req) >
+ get_capacity(req->rq_disk))
+ return -EIO;
switch(rq_data_dir(req)) {
case READ:
for (; nsect > 0; nsect--, block++, buf += tr->blksize)
if (tr->readsect(dev, block, buf))
- return 0;
- return 1;
+ return -EIO;
+ return 0;
case WRITE:
if (!tr->writesect)
- return 0;
+ return -EIO;
for (; nsect > 0; nsect--, block++, buf += tr->blksize)
if (tr->writesect(dev, block, buf))
- return 0;
- return 1;
+ return -EIO;
+ return 0;
default:
printk(KERN_NOTICE "Unknown request %u\n", rq_data_dir(req));
- return 0;
+ return -EIO;
}
}
@@ -88,19 +89,18 @@ static int mtd_blktrans_thread(void *arg)
{
struct mtd_blktrans_ops *tr = arg;
struct request_queue *rq = tr->blkcore_priv->rq;
+ struct request *req = NULL;
/* we might get involved when memory gets low, so use PF_MEMALLOC */
current->flags |= PF_MEMALLOC;
spin_lock_irq(rq->queue_lock);
+
while (!kthread_should_stop()) {
- struct request *req;
struct mtd_blktrans_dev *dev;
- int res = 0;
-
- req = elv_next_request(rq);
+ int res;
- if (!req) {
+ if (!req && !(req = blk_fetch_request(rq))) {
set_current_state(TASK_INTERRUPTIBLE);
spin_unlock_irq(rq->queue_lock);
schedule();
@@ -119,8 +119,13 @@ static int mtd_blktrans_thread(void *arg)
spin_lock_irq(rq->queue_lock);
- end_request(req, res);
+ if (!__blk_end_request_cur(req, res))
+ req = NULL;
}
+
+ if (req)
+ __blk_end_request_all(req, -EIO);
+
spin_unlock_irq(rq->queue_lock);
return 0;
@@ -373,7 +378,7 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr)
}
tr->blkcore_priv->rq->queuedata = tr;
- blk_queue_hardsect_size(tr->blkcore_priv->rq, tr->blksize);
+ blk_queue_logical_block_size(tr->blkcore_priv->rq, tr->blksize);
if (tr->discard)
blk_queue_set_discard(tr->blkcore_priv->rq,
blktrans_discard_request);
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 890936d0275e..f3276897859e 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -260,7 +260,7 @@ config MTD_NAND_BASLER_EXCITE
help
This enables the driver for the NAND flash device found on the
Basler eXcite Smart Camera. If built as a module, the driver
- will be named "excite_nandflash.ko".
+ will be named excite_nandflash.
config MTD_NAND_CAFE
tristate "NAND support for OLPC CAFÉ chip"
@@ -282,7 +282,7 @@ config MTD_NAND_CS553X
controller is enabled for NAND, and currently requires that
the controller be in MMIO mode.
- If you say "m", the module will be called "cs553x_nand.ko".
+ If you say "m", the module will be called cs553x_nand.
config MTD_NAND_ATMEL
tristate "Support for NAND Flash / SmartMedia on AT91 and AVR32"
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 0119220de7d0..02700f769b8a 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -407,16 +407,17 @@ static int __init nand_davinci_probe(struct platform_device *pdev)
}
info->chip.ecc.mode = ecc_mode;
- info->clk = clk_get(&pdev->dev, "AEMIFCLK");
+ info->clk = clk_get(&pdev->dev, "aemif");
if (IS_ERR(info->clk)) {
ret = PTR_ERR(info->clk);
- dev_dbg(&pdev->dev, "unable to get AEMIFCLK, err %d\n", ret);
+ dev_dbg(&pdev->dev, "unable to get AEMIF clock, err %d\n", ret);
goto err_clk;
}
ret = clk_enable(info->clk);
if (ret < 0) {
- dev_dbg(&pdev->dev, "unable to enable AEMIFCLK, err %d\n", ret);
+ dev_dbg(&pdev->dev, "unable to enable AEMIF clock, err %d\n",
+ ret);
goto err_clk_enable;
}
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index f3548d048014..40c26080ecda 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -831,6 +831,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
break;
case NAND_CMD_READID:
+ host->col_addr = 0;
send_read_id(host);
break;
@@ -867,6 +868,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
mtd->priv = this;
mtd->owner = THIS_MODULE;
mtd->dev.parent = &pdev->dev;
+ mtd->name = "mxc_nand";
/* 50 us command delay time */
this->chip_delay = 5;
@@ -882,8 +884,10 @@ static int __init mxcnd_probe(struct platform_device *pdev)
this->verify_buf = mxc_nand_verify_buf;
host->clk = clk_get(&pdev->dev, "nfc");
- if (IS_ERR(host->clk))
+ if (IS_ERR(host->clk)) {
+ err = PTR_ERR(host->clk);
goto eclk;
+ }
clk_enable(host->clk);
host->clk_act = 1;
@@ -896,7 +900,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
host->regs = ioremap(res->start, res->end - res->start + 1);
if (!host->regs) {
- err = -EIO;
+ err = -ENOMEM;
goto eres;
}
@@ -1011,30 +1015,35 @@ static int __devexit mxcnd_remove(struct platform_device *pdev)
#ifdef CONFIG_PM
static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
{
- struct mtd_info *info = platform_get_drvdata(pdev);
+ struct mtd_info *mtd = platform_get_drvdata(pdev);
+ struct nand_chip *nand_chip = mtd->priv;
+ struct mxc_nand_host *host = nand_chip->priv;
int ret = 0;
DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n");
- if (info)
- ret = info->suspend(info);
-
- /* Disable the NFC clock */
- clk_disable(nfc_clk); /* FIXME */
+ if (mtd) {
+ ret = mtd->suspend(mtd);
+ /* Disable the NFC clock */
+ clk_disable(host->clk);
+ }
return ret;
}
static int mxcnd_resume(struct platform_device *pdev)
{
- struct mtd_info *info = platform_get_drvdata(pdev);
+ struct mtd_info *mtd = platform_get_drvdata(pdev);
+ struct nand_chip *nand_chip = mtd->priv;
+ struct mxc_nand_host *host = nand_chip->priv;
int ret = 0;
DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n");
- /* Enable the NFC clock */
- clk_enable(nfc_clk); /* FIXME */
- if (info)
- info->resume(info);
+ if (mtd) {
+ /* Enable the NFC clock */
+ clk_enable(host->clk);
+ mtd->resume(mtd);
+ }
return ret;
}
@@ -1055,13 +1064,7 @@ static struct platform_driver mxcnd_driver = {
static int __init mxc_nd_init(void)
{
- /* Register the device driver structure. */
- pr_info("MXC MTD nand Driver\n");
- if (platform_driver_probe(&mxcnd_driver, mxcnd_probe) != 0) {
- printk(KERN_ERR "Driver register failed for mxcnd_driver\n");
- return -ENODEV;
- }
- return 0;
+ return platform_driver_probe(&mxcnd_driver, mxcnd_probe);
}
static void __exit mxc_nd_cleanup(void)
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index f2e9de1414df..6391e3dc8002 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -39,7 +39,6 @@
#include <mach/gpmc.h>
#include <mach/onenand.h>
#include <mach/gpio.h>
-#include <mach/pm.h>
#include <mach/dma.h>