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mtd: spi-nor: Stop exporting spi_nor_restore()

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Some SPI NOR controllers that used this method were moved to
drivers/spi/. We don't accept new support for the existing SPI NOR
controllers drivers under drivers/mtd/spi-nor/controllers/ and we
encourage their owners to move the drivers under drivers/spi/.
Make spi_nor_restore() private as we're going to use it just in core.c.

Link: https://lore.kernel.org/r/20230331074606.3559258-8-tudor.ambarus@linaro.org
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
This commit is contained in:
Tudor Ambarus 2023-03-31 07:46:03 +00:00
parent 4e53ab0c29
commit 7fe1b00d92
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GPG Key ID: 4B554F47A58D14E9
3 changed files with 1 additions and 11 deletions
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3
Documentation/driver-api/mtd/spi-nor.rst
View File

@ -63,6 +63,3 @@ The main API is spi_nor_scan(). Before you call the hook, a driver should
initialize the necessary fields for spi_nor{}. Please see
drivers/mtd/spi-nor/spi-nor.c for detail. Please also refer to spi-fsl-qspi.c
when you want to write a new driver for a SPI NOR controller.
Another API is spi_nor_restore(), this is used to restore the status of SPI
flash chip such as addressing mode. Call it whenever detach the driver from
device or reboot the system.

3
drivers/mtd/spi-nor/core.c
View File

@ -3291,7 +3291,7 @@ static void spi_nor_put_device(struct mtd_info *mtd)
module_put(dev->driver->owner);
}
void spi_nor_restore(struct spi_nor *nor)
static void spi_nor_restore(struct spi_nor *nor)
{
int ret;
@ -3311,7 +3311,6 @@ void spi_nor_restore(struct spi_nor *nor)
if (nor->flags & SNOR_F_SOFT_RESET)
spi_nor_soft_reset(nor);
}
EXPORT_SYMBOL_GPL(spi_nor_restore);
static const struct flash_info *spi_nor_match_name(struct spi_nor *nor,
const char *name)

6
include/linux/mtd/spi-nor.h
View File

@ -450,10 +450,4 @@ static inline struct device_node *spi_nor_get_flash_node(struct spi_nor *nor)
int spi_nor_scan(struct spi_nor *nor, const char *name,
const struct spi_nor_hwcaps *hwcaps);
/**
* spi_nor_restore_addr_mode() - restore the status of SPI NOR
* @nor: the spi_nor structure
*/
void spi_nor_restore(struct spi_nor *nor);
#endif