Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-09-23 16:11:54 +00:00
Code Issues Projects Releases Packages Wiki Activity

mtd: spi: Convert is_locked callback to is_unlocked

Browse source 
There was no user of this callback after 5b66fdb29d anymore, and its
semantic as now inconsistent between stm and sst26. What we need for the
upcoming new usecase is a "completely unlocked" semantic. So consolidate
over this.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Jan Kiszka 2022-03-02 15:01:55 +01:00 committed by Jagan Teki
parent cd2f9031e4
commit 513c6071ce
2 changed files with 16 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
drivers/mtd/spi/spi-nor-core.c
View file

@ -1315,13 +1315,13 @@ static int stm_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len)
}
/*
* Check if a region of the flash is (completely) locked. See stm_lock() for
* Check if a region of the flash is (completely) unlocked. See stm_lock() for
* more info.
*
* Returns 1 if entire region is locked, 0 if any portion is unlocked, and
* Returns 1 if entire region is unlocked, 0 if any portion is locked, and
* negative on errors.
*/
static int stm_is_locked(struct spi_nor *nor, loff_t ofs, uint64_t len)
static int stm_is_unlocked(struct spi_nor *nor, loff_t ofs, uint64_t len)
{
int status;
@ -1329,7 +1329,7 @@ static int stm_is_locked(struct spi_nor *nor, loff_t ofs, uint64_t len)
if (status < 0)
return status;
return stm_is_locked_sr(nor, ofs, len, status);
return stm_is_unlocked_sr(nor, ofs, len, status);
}
#endif /* CONFIG_SPI_FLASH_STMICRO */
@ -1562,16 +1562,16 @@ static int sst26_lock(struct spi_nor *nor, loff_t ofs, uint64_t len)
}
/*
* Returns EACCES (positive value) if region is locked, 0 if region is unlocked,
* and negative on errors.
* Returns EACCES (positive value) if region is (partially) locked, 0 if region
* is completely unlocked, and negative on errors.
*/
static int sst26_is_locked(struct spi_nor *nor, loff_t ofs, uint64_t len)
static int sst26_is_unlocked(struct spi_nor *nor, loff_t ofs, uint64_t len)
{
/*
* is_locked function is used for check before reading or erasing flash
* region, so offset and length might be not 64k allighned, so adjust
* them to be 64k allighned as sst26_lock_ctl works only with 64k
* allighned regions.
* is_unlocked function is used for check before reading or erasing
* flash region, so offset and length might be not 64k aligned, so
* adjust them to be 64k aligned as sst26_lock_ctl works only with 64k
* aligned regions.
*/
ofs -= ofs & (SZ_64K - 1);
len = len & (SZ_64K - 1) ? (len & ~(SZ_64K - 1)) + SZ_64K : len;
@ -3924,7 +3924,7 @@ int spi_nor_scan(struct spi_nor *nor)
info->flags & SPI_NOR_HAS_LOCK) {
nor->flash_lock = stm_lock;
nor->flash_unlock = stm_unlock;
nor->flash_is_locked = stm_is_locked;
nor->flash_is_unlocked = stm_is_unlocked;
}
#endif
@ -3936,7 +3936,7 @@ int spi_nor_scan(struct spi_nor *nor)
if (info->flags & SPI_NOR_HAS_SST26LOCK) {
nor->flash_lock = sst26_lock;
nor->flash_unlock = sst26_unlock;
nor->flash_is_locked = sst26_is_locked;
nor->flash_is_unlocked = sst26_is_unlocked;
}
#endif

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

@ -517,8 +517,8 @@ struct spi_flash {
* spi-nor will send the erase opcode via write_reg()
* @flash_lock: [FLASH-SPECIFIC] lock a region of the SPI NOR
* @flash_unlock: [FLASH-SPECIFIC] unlock a region of the SPI NOR
* @flash_is_locked: [FLASH-SPECIFIC] check if a region of the SPI NOR is
* completely locked
* @flash_is_unlocked: [FLASH-SPECIFIC] check if a region of the SPI NOR is
* completely unlocked
* @quad_enable: [FLASH-SPECIFIC] enables SPI NOR quad mode
* @octal_dtr_enable: [FLASH-SPECIFIC] enables SPI NOR octal DTR mode.
* @ready: [FLASH-SPECIFIC] check if the flash is ready
@ -567,7 +567,7 @@ struct spi_nor {
int (*flash_lock)(struct spi_nor *nor, loff_t ofs, uint64_t len);
int (*flash_unlock)(struct spi_nor *nor, loff_t ofs, uint64_t len);
int (*flash_is_locked)(struct spi_nor *nor, loff_t ofs, uint64_t len);
int (*flash_is_unlocked)(struct spi_nor *nor, loff_t ofs, uint64_t len);
int (*quad_enable)(struct spi_nor *nor);
int (*octal_dtr_enable)(struct spi_nor *nor);
int (*ready)(struct spi_nor *nor);