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-rw-r--r--drivers/mtd/devices/bcm47xxsflash.c2
-rw-r--r--drivers/mtd/devices/block2mtd.c52
-rw-r--r--drivers/mtd/devices/docg3.c2
-rw-r--r--drivers/mtd/devices/mchp23k256.c1
-rw-r--r--drivers/mtd/devices/mchp48l640.c28
-rw-r--r--drivers/mtd/devices/mtd_dataflash.c2
-rw-r--r--drivers/mtd/devices/phram.c15
-rw-r--r--drivers/mtd/devices/powernv_flash.c5
-rw-r--r--drivers/mtd/devices/slram.c2
-rw-r--r--drivers/mtd/devices/spear_smi.c2
-rw-r--r--drivers/mtd/devices/st_spi_fsm.c8
11 files changed, 73 insertions, 46 deletions
diff --git a/drivers/mtd/devices/bcm47xxsflash.c b/drivers/mtd/devices/bcm47xxsflash.c
index 74f559bf8dfb..2edc46741774 100644
--- a/drivers/mtd/devices/bcm47xxsflash.c
+++ b/drivers/mtd/devices/bcm47xxsflash.c
@@ -367,7 +367,7 @@ static void bcm47xxsflash_bcma_remove(struct platform_device *pdev)
static struct platform_driver bcma_sflash_driver = {
.probe = bcm47xxsflash_bcma_probe,
- .remove_new = bcm47xxsflash_bcma_remove,
+ .remove = bcm47xxsflash_bcma_remove,
.driver = {
.name = "bcma_sflash",
},
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index aa44a23ec045..b06c8dd51562 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 bdev_handle *bdev_handle;
+ struct file *bdev_file;
struct mtd_info mtd;
struct mutex write_mutex;
};
@@ -55,8 +55,7 @@ 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->bdev_handle->bdev->bd_inode->i_mapping;
+ struct address_space *mapping = dev->bdev_file->f_mapping;
struct page *page;
pgoff_t index = to >> PAGE_SHIFT; // page index
int pages = len >> PAGE_SHIFT;
@@ -106,8 +105,7 @@ 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 address_space *mapping = dev->bdev_file->f_mapping;
struct page *page;
pgoff_t index = from >> PAGE_SHIFT;
int offset = from & (PAGE_SIZE-1);
@@ -142,8 +140,7 @@ 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->bdev_handle->bdev->bd_inode->i_mapping;
+ struct address_space *mapping = dev->bdev_file->f_mapping;
pgoff_t index = to >> PAGE_SHIFT; // page index
int offset = to & ~PAGE_MASK; // page offset
int cpylen;
@@ -198,7 +195,7 @@ 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->bdev_handle->bdev);
+ sync_blockdev(file_bdev(dev->bdev_file));
return;
}
@@ -210,10 +207,9 @@ static void block2mtd_free_device(struct block2mtd_dev *dev)
kfree(dev->mtd.name);
- if (dev->bdev_handle) {
- invalidate_mapping_pages(
- dev->bdev_handle->bdev->bd_inode->i_mapping, 0, -1);
- bdev_release(dev->bdev_handle);
+ if (dev->bdev_file) {
+ invalidate_mapping_pages(dev->bdev_file->f_mapping, 0, -1);
+ bdev_fput(dev->bdev_file);
}
kfree(dev);
@@ -223,10 +219,10 @@ 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 bdev_handle __ref *mdtblock_early_get_bdev(const char *devname,
+static struct file __ref *mdtblock_early_get_bdev(const char *devname,
blk_mode_t mode, int timeout, struct block2mtd_dev *dev)
{
- struct bdev_handle *bdev_handle = ERR_PTR(-ENODEV);
+ struct file *bdev_file = ERR_PTR(-ENODEV);
#ifndef MODULE
int i;
@@ -234,7 +230,7 @@ static struct bdev_handle __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_handle;
+ return bdev_file;
/*
* We might not have the root device mounted at this point.
@@ -253,22 +249,23 @@ static struct bdev_handle __ref *mdtblock_early_get_bdev(const char *devname,
wait_for_device_probe();
if (!early_lookup_bdev(devname, &devt)) {
- bdev_handle = bdev_open_by_dev(devt, mode, dev, NULL);
- if (!IS_ERR(bdev_handle))
+ bdev_file = bdev_file_open_by_dev(devt, mode, dev, NULL);
+ if (!IS_ERR(bdev_file))
break;
}
}
#endif
- return bdev_handle;
+ return bdev_file;
}
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 file *bdev_file;
struct block_device *bdev;
struct block2mtd_dev *dev;
+ loff_t size;
char *name;
if (!devname)
@@ -279,23 +276,24 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size,
return NULL;
/* Get a handle on the device */
- bdev_handle = bdev_open_by_path(devname, mode, dev, NULL);
- if (IS_ERR(bdev_handle))
- bdev_handle = mdtblock_early_get_bdev(devname, mode, timeout,
+ bdev_file = bdev_file_open_by_path(devname, mode, dev, NULL);
+ if (IS_ERR(bdev_file))
+ bdev_file = mdtblock_early_get_bdev(devname, mode, timeout,
dev);
- if (IS_ERR(bdev_handle)) {
+ if (IS_ERR(bdev_file)) {
pr_err("error: cannot open device %s\n", devname);
goto err_free_block2mtd;
}
- dev->bdev_handle = bdev_handle;
- bdev = bdev_handle->bdev;
+ dev->bdev_file = bdev_file;
+ bdev = file_bdev(bdev_file);
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)bdev->bd_inode->i_size % erase_size) {
+ size = bdev_nr_bytes(bdev);
+ if ((long)size % erase_size) {
pr_err("erasesize must be a divisor of device size\n");
goto err_free_block2mtd;
}
@@ -313,7 +311,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size,
dev->mtd.name = name;
- dev->mtd.size = bdev->bd_inode->i_size & PAGE_MASK;
+ dev->mtd.size = 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 a2b643af7019..c93769c233d9 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -2075,7 +2075,7 @@ static struct platform_driver g3_driver = {
},
.suspend = docg3_suspend,
.resume = docg3_resume,
- .remove_new = docg3_release,
+ .remove = docg3_release,
};
module_platform_driver_probe(g3_driver, docg3_probe);
diff --git a/drivers/mtd/devices/mchp23k256.c b/drivers/mtd/devices/mchp23k256.c
index d533475fda15..cef5f9677d39 100644
--- a/drivers/mtd/devices/mchp23k256.c
+++ b/drivers/mtd/devices/mchp23k256.c
@@ -257,4 +257,3 @@ module_spi_driver(mchp23k256_driver);
MODULE_DESCRIPTION("MTD SPI driver for MCHP23K256 RAM chips");
MODULE_AUTHOR("Andrew Lunn <andre@lunn.ch>");
MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("spi:mchp23k256");
diff --git a/drivers/mtd/devices/mchp48l640.c b/drivers/mtd/devices/mchp48l640.c
index f576e6a890e8..7584d0ba9396 100644
--- a/drivers/mtd/devices/mchp48l640.c
+++ b/drivers/mtd/devices/mchp48l640.c
@@ -27,6 +27,7 @@
struct mchp48_caps {
unsigned int size;
unsigned int page_size;
+ bool auto_disable_wel;
};
struct mchp48l640_flash {
@@ -194,9 +195,15 @@ static int mchp48l640_write_page(struct mtd_info *mtd, loff_t to, size_t len,
else
goto fail;
- ret = mchp48l640_waitforbit(flash, MCHP48L640_STATUS_WEL, false);
- if (ret)
- goto fail;
+ if (flash->caps->auto_disable_wel) {
+ ret = mchp48l640_waitforbit(flash, MCHP48L640_STATUS_WEL, false);
+ if (ret)
+ goto fail;
+ } else {
+ ret = mchp48l640_write_prepare(flash, false);
+ if (ret)
+ goto fail;
+ }
kfree(cmd);
return 0;
@@ -293,6 +300,13 @@ static int mchp48l640_read(struct mtd_info *mtd, loff_t from, size_t len,
static const struct mchp48_caps mchp48l640_caps = {
.size = SZ_8K,
.page_size = 32,
+ .auto_disable_wel = true,
+};
+
+static const struct mchp48_caps mb85rs128ty_caps = {
+ .size = SZ_16K,
+ .page_size = 256,
+ .auto_disable_wel = false,
};
static int mchp48l640_probe(struct spi_device *spi)
@@ -353,6 +367,10 @@ static const struct of_device_id mchp48l640_of_table[] = {
.compatible = "microchip,48l640",
.data = &mchp48l640_caps,
},
+ {
+ .compatible = "fujitsu,mb85rs128ty",
+ .data = &mb85rs128ty_caps,
+ },
{}
};
MODULE_DEVICE_TABLE(of, mchp48l640_of_table);
@@ -362,6 +380,10 @@ static const struct spi_device_id mchp48l640_spi_ids[] = {
.name = "48l640",
.driver_data = (kernel_ulong_t)&mchp48l640_caps,
},
+ {
+ .name = "mb85rs128ty",
+ .driver_data = (kernel_ulong_t)&mb85rs128ty_caps,
+ },
{}
};
MODULE_DEVICE_TABLE(spi, mchp48l640_spi_ids);
diff --git a/drivers/mtd/devices/mtd_dataflash.c b/drivers/mtd/devices/mtd_dataflash.c
index 0c1b93303618..ec52277e3dd5 100644
--- a/drivers/mtd/devices/mtd_dataflash.c
+++ b/drivers/mtd/devices/mtd_dataflash.c
@@ -638,7 +638,7 @@ static int add_dataflash_otp(struct spi_device *spi, char *name, int nr_pages,
/* name must be usable with cmdlinepart */
sprintf(priv->name, "spi%d.%d-%s",
- spi->master->bus_num, spi_get_chipselect(spi, 0),
+ spi->controller->bus_num, spi_get_chipselect(spi, 0),
name);
device = &priv->mtd;
diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
index 1bf192f229d7..fd9ec165e61a 100644
--- a/drivers/mtd/devices/phram.c
+++ b/drivers/mtd/devices/phram.c
@@ -30,6 +30,7 @@
#include <linux/platform_device.h>
#include <linux/of_address.h>
#include <linux/of.h>
+#include <linux/security.h>
struct phram_mtd_list {
struct mtd_info mtd;
@@ -399,7 +400,7 @@ static void phram_remove(struct platform_device *pdev)
static struct platform_driver phram_driver = {
.probe = phram_probe,
- .remove_new = phram_remove,
+ .remove = phram_remove,
.driver = {
.name = "phram",
.of_match_table = of_match_ptr(phram_of_match),
@@ -410,19 +411,23 @@ static int __init init_phram(void)
{
int ret;
+ ret = security_locked_down(LOCKDOWN_DEV_MEM);
+ if (ret)
+ return ret;
+
ret = platform_driver_register(&phram_driver);
if (ret)
return ret;
#ifndef MODULE
- if (phram_paramline[0])
+ if (phram_paramline[0]) {
ret = phram_setup(phram_paramline);
+ if (ret)
+ platform_driver_unregister(&phram_driver);
+ }
phram_init_called = 1;
#endif
- if (ret)
- platform_driver_unregister(&phram_driver);
-
return ret;
}
diff --git a/drivers/mtd/devices/powernv_flash.c b/drivers/mtd/devices/powernv_flash.c
index 66044f4f5bad..a12427d9e20f 100644
--- a/drivers/mtd/devices/powernv_flash.c
+++ b/drivers/mtd/devices/powernv_flash.c
@@ -207,6 +207,9 @@ static int powernv_flash_set_driver_info(struct device *dev,
* get them
*/
mtd->name = devm_kasprintf(dev, GFP_KERNEL, "%pOFP", dev->of_node);
+ if (!mtd->name)
+ return -ENOMEM;
+
mtd->type = MTD_NORFLASH;
mtd->flags = MTD_WRITEABLE;
mtd->size = size;
@@ -283,7 +286,7 @@ static struct platform_driver powernv_flash_driver = {
.name = "powernv_flash",
.of_match_table = powernv_flash_match,
},
- .remove_new = powernv_flash_release,
+ .remove = powernv_flash_release,
.probe = powernv_flash_probe,
};
diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c
index 28131a127d06..8297b366a066 100644
--- a/drivers/mtd/devices/slram.c
+++ b/drivers/mtd/devices/slram.c
@@ -296,10 +296,12 @@ static int __init init_slram(void)
T("slram: devname = %s\n", devname);
if ((!map) || (!(devstart = strsep(&map, ",")))) {
E("slram: No devicestart specified.\n");
+ break;
}
T("slram: devstart = %s\n", devstart);
if ((!map) || (!(devlength = strsep(&map, ",")))) {
E("slram: No devicelength / -end specified.\n");
+ break;
}
T("slram: devlength = %s\n", devlength);
if (parse_cmdline(devname, devstart, devlength) != 0) {
diff --git a/drivers/mtd/devices/spear_smi.c b/drivers/mtd/devices/spear_smi.c
index 1574296d47e2..f02f96bff450 100644
--- a/drivers/mtd/devices/spear_smi.c
+++ b/drivers/mtd/devices/spear_smi.c
@@ -1093,7 +1093,7 @@ static struct platform_driver spear_smi_driver = {
.pm = &spear_smi_pm_ops,
},
.probe = spear_smi_probe,
- .remove_new = spear_smi_remove,
+ .remove = 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 3268de5fc780..f2266145b821 100644
--- a/drivers/mtd/devices/st_spi_fsm.c
+++ b/drivers/mtd/devices/st_spi_fsm.c
@@ -2104,7 +2104,6 @@ static void stfsm_remove(struct platform_device *pdev)
WARN_ON(mtd_device_unregister(&fsm->mtd));
}
-#ifdef CONFIG_PM_SLEEP
static int stfsmfsm_suspend(struct device *dev)
{
struct stfsm *fsm = dev_get_drvdata(dev);
@@ -2120,9 +2119,8 @@ static int stfsmfsm_resume(struct device *dev)
return clk_prepare_enable(fsm->clk);
}
-#endif
-static SIMPLE_DEV_PM_OPS(stfsm_pm_ops, stfsmfsm_suspend, stfsmfsm_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(stfsm_pm_ops, stfsmfsm_suspend, stfsmfsm_resume);
static const struct of_device_id stfsm_match[] = {
{ .compatible = "st,spi-fsm", },
@@ -2132,11 +2130,11 @@ MODULE_DEVICE_TABLE(of, stfsm_match);
static struct platform_driver stfsm_driver = {
.probe = stfsm_probe,
- .remove_new = stfsm_remove,
+ .remove = stfsm_remove,
.driver = {
.name = "st-spi-fsm",
.of_match_table = stfsm_match,
- .pm = &stfsm_pm_ops,
+ .pm = pm_sleep_ptr(&stfsm_pm_ops),
},
};
module_platform_driver(stfsm_driver);
generated by cgit (git 2.34.1) at 2025-07-31 01:46:07 +0000