Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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,