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authorMiquel Raynal <miquel.raynal@bootlin.com>2020-05-19 16:00:35 +0300
committerMiquel Raynal <miquel.raynal@bootlin.com>2020-05-31 11:53:40 +0300
commit9630a055256de420d528ecde9f35902a9dcd8750 (patch)
treef760c21b20eea43a54d8882ca47ab5254174530b
parent5724fa7f2e25a0f355063ba9271529fa00c32206 (diff)
downloadlinux-9630a055256de420d528ecde9f35902a9dcd8750.tar.xz
mtd: rawnand: Stop using nand_release()
This helper is not very useful and very often people get confused: they use nand_release() instead of nand_cleanup(). Now that all drivers have been converted to do not use nand_release() anymore, let's remove this helper. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Cc: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/linux-mtd/20200519130035.1883-63-miquel.raynal@bootlin.com
-rw-r--r--Documentation/driver-api/mtdnand.rst6
-rw-r--r--drivers/mtd/nand/raw/nand_base.c12
-rw-r--r--include/linux/mtd/bbm.h2
-rw-r--r--include/linux/mtd/rawnand.h2
4 files changed, 5 insertions, 17 deletions
diff --git a/Documentation/driver-api/mtdnand.rst b/Documentation/driver-api/mtdnand.rst
index 55447659b81f..0bf8d6ec3f54 100644
--- a/Documentation/driver-api/mtdnand.rst
+++ b/Documentation/driver-api/mtdnand.rst
@@ -276,8 +276,10 @@ unregisters the partitions in the MTD layer.
#ifdef MODULE
static void __exit board_cleanup (void)
{
- /* Release resources, unregister device */
- nand_release (mtd_to_nand(board_mtd));
+ /* Unregister device */
+ WARN_ON(mtd_device_unregister(board_mtd));
+ /* Release resources */
+ nand_cleanup(mtd_to_nand(board_mtd));
/* unmap physical address */
iounmap(baseaddr);
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index 6a6a0a36b3fd..8ce31490b9d0 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -6178,18 +6178,6 @@ void nand_cleanup(struct nand_chip *chip)
EXPORT_SYMBOL_GPL(nand_cleanup);
-/**
- * nand_release - [NAND Interface] Unregister the MTD device and free resources
- * held by the NAND device
- * @chip: NAND chip object
- */
-void nand_release(struct nand_chip *chip)
-{
- mtd_device_unregister(nand_to_mtd(chip));
- nand_cleanup(chip);
-}
-EXPORT_SYMBOL_GPL(nand_release);
-
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Steven J. Hill <sjhill@realitydiluted.com>");
MODULE_AUTHOR("Thomas Gleixner <tglx@linutronix.de>");
diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h
index 886e30441c90..d890805f5494 100644
--- a/include/linux/mtd/bbm.h
+++ b/include/linux/mtd/bbm.h
@@ -98,7 +98,7 @@ struct nand_bbt_descr {
/*
* Flag set by nand_create_default_bbt_descr(), marking that the nand_bbt_descr
- * was allocated dynamicaly and must be freed in nand_release(). Has no meaning
+ * was allocated dynamicaly and must be freed in nand_cleanup(). Has no meaning
* in nand_chip.bbt_options.
*/
#define NAND_BBT_DYNAMICSTRUCT 0x80000000
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index 2804c13e5662..b0b358908a47 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -1398,8 +1398,6 @@ void nand_wait_ready(struct nand_chip *chip);
* sucessful nand_scan().
*/
void nand_cleanup(struct nand_chip *chip);
-/* Unregister the MTD device and calls nand_cleanup() */
-void nand_release(struct nand_chip *chip);
/*
* External helper for controller drivers that have to implement the WAITRDY