summaryrefslogtreecommitdiffstats
path: root/drivers/mtd/devices
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd/devices')
-rw-r--r--drivers/mtd/devices/bcm47xxsflash.c6
-rw-r--r--drivers/mtd/devices/block2mtd.c51
-rw-r--r--drivers/mtd/devices/docg3.c5
-rw-r--r--drivers/mtd/devices/phram.c6
-rw-r--r--drivers/mtd/devices/powernv_flash.c6
-rw-r--r--drivers/mtd/devices/spear_smi.c6
-rw-r--r--drivers/mtd/devices/st_spi_fsm.c6
7 files changed, 41 insertions, 45 deletions
diff --git a/drivers/mtd/devices/bcm47xxsflash.c b/drivers/mtd/devices/bcm47xxsflash.c
index 3af50db8b2..74f559bf8d 100644
--- a/drivers/mtd/devices/bcm47xxsflash.c
+++ b/drivers/mtd/devices/bcm47xxsflash.c
@@ -357,19 +357,17 @@ static int bcm47xxsflash_bcma_probe(struct platform_device *pdev)
return 0;
}
-static int bcm47xxsflash_bcma_remove(struct platform_device *pdev)
+static void bcm47xxsflash_bcma_remove(struct platform_device *pdev)
{
struct bcm47xxsflash *b47s = platform_get_drvdata(pdev);
mtd_device_unregister(&b47s->mtd);
iounmap(b47s->window);
-
- return 0;
}
static struct platform_driver bcma_sflash_driver = {
.probe = bcm47xxsflash_bcma_probe,
- .remove = bcm47xxsflash_bcma_remove,
+ .remove_new = bcm47xxsflash_bcma_remove,
.driver = {
.name = "bcma_sflash",
},
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index be106dc20f..aa44a23ec0 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -37,7 +37,7 @@
/* Info for the block device */
struct block2mtd_dev {
struct list_head list;
- struct block_device *blkdev;
+ struct bdev_handle *bdev_handle;
struct mtd_info mtd;
struct mutex write_mutex;
};
@@ -55,7 +55,8 @@ static struct page *page_read(struct address_space *mapping, pgoff_t index)
/* erase a specified part of the device */
static int _block2mtd_erase(struct block2mtd_dev *dev, loff_t to, size_t len)
{
- struct address_space *mapping = dev->blkdev->bd_inode->i_mapping;
+ struct address_space *mapping =
+ dev->bdev_handle->bdev->bd_inode->i_mapping;
struct page *page;
pgoff_t index = to >> PAGE_SHIFT; // page index
int pages = len >> PAGE_SHIFT;
@@ -105,6 +106,8 @@ static int block2mtd_read(struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, u_char *buf)
{
struct block2mtd_dev *dev = mtd->priv;
+ struct address_space *mapping =
+ dev->bdev_handle->bdev->bd_inode->i_mapping;
struct page *page;
pgoff_t index = from >> PAGE_SHIFT;
int offset = from & (PAGE_SIZE-1);
@@ -117,7 +120,7 @@ static int block2mtd_read(struct mtd_info *mtd, loff_t from, size_t len,
cpylen = len; // this page
len = len - cpylen;
- page = page_read(dev->blkdev->bd_inode->i_mapping, index);
+ page = page_read(mapping, index);
if (IS_ERR(page))
return PTR_ERR(page);
@@ -139,7 +142,8 @@ static int _block2mtd_write(struct block2mtd_dev *dev, const u_char *buf,
loff_t to, size_t len, size_t *retlen)
{
struct page *page;
- struct address_space *mapping = dev->blkdev->bd_inode->i_mapping;
+ struct address_space *mapping =
+ dev->bdev_handle->bdev->bd_inode->i_mapping;
pgoff_t index = to >> PAGE_SHIFT; // page index
int offset = to & ~PAGE_MASK; // page offset
int cpylen;
@@ -194,7 +198,7 @@ static int block2mtd_write(struct mtd_info *mtd, loff_t to, size_t len,
static void block2mtd_sync(struct mtd_info *mtd)
{
struct block2mtd_dev *dev = mtd->priv;
- sync_blockdev(dev->blkdev);
+ sync_blockdev(dev->bdev_handle->bdev);
return;
}
@@ -206,10 +210,10 @@ static void block2mtd_free_device(struct block2mtd_dev *dev)
kfree(dev->mtd.name);
- if (dev->blkdev) {
- invalidate_mapping_pages(dev->blkdev->bd_inode->i_mapping,
- 0, -1);
- blkdev_put(dev->blkdev, NULL);
+ if (dev->bdev_handle) {
+ invalidate_mapping_pages(
+ dev->bdev_handle->bdev->bd_inode->i_mapping, 0, -1);
+ bdev_release(dev->bdev_handle);
}
kfree(dev);
@@ -219,10 +223,10 @@ static void block2mtd_free_device(struct block2mtd_dev *dev)
* This function is marked __ref because it calls the __init marked
* early_lookup_bdev when called from the early boot code.
*/
-static struct block_device __ref *mdtblock_early_get_bdev(const char *devname,
+static struct bdev_handle __ref *mdtblock_early_get_bdev(const char *devname,
blk_mode_t mode, int timeout, struct block2mtd_dev *dev)
{
- struct block_device *bdev = ERR_PTR(-ENODEV);
+ struct bdev_handle *bdev_handle = ERR_PTR(-ENODEV);
#ifndef MODULE
int i;
@@ -230,7 +234,7 @@ static struct block_device __ref *mdtblock_early_get_bdev(const char *devname,
* We can't use early_lookup_bdev from a running system.
*/
if (system_state >= SYSTEM_RUNNING)
- return bdev;
+ return bdev_handle;
/*
* We might not have the root device mounted at this point.
@@ -249,19 +253,20 @@ static struct block_device __ref *mdtblock_early_get_bdev(const char *devname,
wait_for_device_probe();
if (!early_lookup_bdev(devname, &devt)) {
- bdev = blkdev_get_by_dev(devt, mode, dev, NULL);
- if (!IS_ERR(bdev))
+ bdev_handle = bdev_open_by_dev(devt, mode, dev, NULL);
+ if (!IS_ERR(bdev_handle))
break;
}
}
#endif
- return bdev;
+ return bdev_handle;
}
static struct block2mtd_dev *add_device(char *devname, int erase_size,
char *label, int timeout)
{
const blk_mode_t mode = BLK_OPEN_READ | BLK_OPEN_WRITE;
+ struct bdev_handle *bdev_handle;
struct block_device *bdev;
struct block2mtd_dev *dev;
char *name;
@@ -274,21 +279,23 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size,
return NULL;
/* Get a handle on the device */
- bdev = blkdev_get_by_path(devname, mode, dev, NULL);
- if (IS_ERR(bdev))
- bdev = mdtblock_early_get_bdev(devname, mode, timeout, dev);
- if (IS_ERR(bdev)) {
+ bdev_handle = bdev_open_by_path(devname, mode, dev, NULL);
+ if (IS_ERR(bdev_handle))
+ bdev_handle = mdtblock_early_get_bdev(devname, mode, timeout,
+ dev);
+ if (IS_ERR(bdev_handle)) {
pr_err("error: cannot open device %s\n", devname);
goto err_free_block2mtd;
}
- dev->blkdev = bdev;
+ dev->bdev_handle = bdev_handle;
+ bdev = bdev_handle->bdev;
if (MAJOR(bdev->bd_dev) == MTD_BLOCK_MAJOR) {
pr_err("attempting to use an MTD device as a block device\n");
goto err_free_block2mtd;
}
- if ((long)dev->blkdev->bd_inode->i_size % erase_size) {
+ if ((long)bdev->bd_inode->i_size % erase_size) {
pr_err("erasesize must be a divisor of device size\n");
goto err_free_block2mtd;
}
@@ -306,7 +313,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size,
dev->mtd.name = name;
- dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK;
+ dev->mtd.size = bdev->bd_inode->i_size & PAGE_MASK;
dev->mtd.erasesize = erase_size;
dev->mtd.writesize = 1;
dev->mtd.writebufsize = PAGE_SIZE;
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index 22e73dd611..a2b643af70 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -2046,7 +2046,7 @@ err_probe:
*
* Returns 0
*/
-static int docg3_release(struct platform_device *pdev)
+static void docg3_release(struct platform_device *pdev)
{
struct docg3_cascade *cascade = platform_get_drvdata(pdev);
struct docg3 *docg3 = cascade->floors[0]->priv;
@@ -2058,7 +2058,6 @@ static int docg3_release(struct platform_device *pdev)
doc_release_device(cascade->floors[floor]);
bch_free(docg3->cascade->bch);
- return 0;
}
#ifdef CONFIG_OF
@@ -2076,7 +2075,7 @@ static struct platform_driver g3_driver = {
},
.suspend = docg3_suspend,
.resume = docg3_resume,
- .remove = docg3_release,
+ .remove_new = docg3_release,
};
module_platform_driver_probe(g3_driver, docg3_probe);
diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
index 208bd4d871..1bf192f229 100644
--- a/drivers/mtd/devices/phram.c
+++ b/drivers/mtd/devices/phram.c
@@ -388,20 +388,18 @@ static int phram_probe(struct platform_device *pdev)
PAGE_SIZE);
}
-static int phram_remove(struct platform_device *pdev)
+static void phram_remove(struct platform_device *pdev)
{
struct phram_mtd_list *phram = platform_get_drvdata(pdev);
mtd_device_unregister(&phram->mtd);
phram_unmap(phram);
kfree(phram);
-
- return 0;
}
static struct platform_driver phram_driver = {
.probe = phram_probe,
- .remove = phram_remove,
+ .remove_new = phram_remove,
.driver = {
.name = "phram",
.of_match_table = of_match_ptr(phram_of_match),
diff --git a/drivers/mtd/devices/powernv_flash.c b/drivers/mtd/devices/powernv_flash.c
index 36e060386e..66044f4f5b 100644
--- a/drivers/mtd/devices/powernv_flash.c
+++ b/drivers/mtd/devices/powernv_flash.c
@@ -265,14 +265,12 @@ static int powernv_flash_probe(struct platform_device *pdev)
*
* Returns 0
*/
-static int powernv_flash_release(struct platform_device *pdev)
+static void powernv_flash_release(struct platform_device *pdev)
{
struct powernv_flash *data = dev_get_drvdata(&(pdev->dev));
/* All resources should be freed automatically */
WARN_ON(mtd_device_unregister(&data->mtd));
-
- return 0;
}
static const struct of_device_id powernv_flash_match[] = {
@@ -285,7 +283,7 @@ static struct platform_driver powernv_flash_driver = {
.name = "powernv_flash",
.of_match_table = powernv_flash_match,
},
- .remove = powernv_flash_release,
+ .remove_new = powernv_flash_release,
.probe = powernv_flash_probe,
};
diff --git a/drivers/mtd/devices/spear_smi.c b/drivers/mtd/devices/spear_smi.c
index 0a35e5236a..1574296d47 100644
--- a/drivers/mtd/devices/spear_smi.c
+++ b/drivers/mtd/devices/spear_smi.c
@@ -1031,7 +1031,7 @@ err:
*
* free all allocations and delete the partitions.
*/
-static int spear_smi_remove(struct platform_device *pdev)
+static void spear_smi_remove(struct platform_device *pdev)
{
struct spear_smi *dev;
struct spear_snor_flash *flash;
@@ -1048,8 +1048,6 @@ static int spear_smi_remove(struct platform_device *pdev)
/* clean up mtd stuff */
WARN_ON(mtd_device_unregister(&flash->mtd));
}
-
- return 0;
}
#ifdef CONFIG_PM_SLEEP
@@ -1095,7 +1093,7 @@ static struct platform_driver spear_smi_driver = {
.pm = &spear_smi_pm_ops,
},
.probe = spear_smi_probe,
- .remove = spear_smi_remove,
+ .remove_new = spear_smi_remove,
};
module_platform_driver(spear_smi_driver);
diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c
index 95530cbbb1..3268de5fc7 100644
--- a/drivers/mtd/devices/st_spi_fsm.c
+++ b/drivers/mtd/devices/st_spi_fsm.c
@@ -2097,13 +2097,11 @@ static int stfsm_probe(struct platform_device *pdev)
return mtd_device_register(&fsm->mtd, NULL, 0);
}
-static int stfsm_remove(struct platform_device *pdev)
+static void stfsm_remove(struct platform_device *pdev)
{
struct stfsm *fsm = platform_get_drvdata(pdev);
WARN_ON(mtd_device_unregister(&fsm->mtd));
-
- return 0;
}
#ifdef CONFIG_PM_SLEEP
@@ -2134,7 +2132,7 @@ MODULE_DEVICE_TABLE(of, stfsm_match);
static struct platform_driver stfsm_driver = {
.probe = stfsm_probe,
- .remove = stfsm_remove,
+ .remove_new = stfsm_remove,
.driver = {
.name = "st-spi-fsm",
.of_match_table = stfsm_match,