4.14-stable review patch. If anyone has any objections, please let me know.
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commit 37cf28d3b5bca1b532a0b6aac722e7f2788a9294 upstream.
Works with ST M24M02.
Signed-off-by: Adrian Bunk bunk@kernel.org Signed-off-by: Bartosz Golaszewski brgl@bgdev.pl Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/misc/eeprom/Kconfig | 2 +- drivers/misc/eeprom/at24.c | 1 + 2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig index de58762097c4..3f93e4564cab 100644 --- a/drivers/misc/eeprom/Kconfig +++ b/drivers/misc/eeprom/Kconfig @@ -12,7 +12,7 @@ config EEPROM_AT24 ones like at24c64, 24lc02 or fm24c04:
24c00, 24c01, 24c02, spd (readonly 24c02), 24c04, 24c08, - 24c16, 24c32, 24c64, 24c128, 24c256, 24c512, 24c1024 + 24c16, 24c32, 24c64, 24c128, 24c256, 24c512, 24c1024, 24c2048
Unless you like data loss puzzles, always be sure that any chip you configure as a 24c32 (32 kbit) or larger is NOT really a diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index ded48a0c77ee..59dcd97ee3de 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -170,6 +170,7 @@ static const struct i2c_device_id at24_ids[] = { { "24c256", AT24_DEVICE_MAGIC(262144 / 8, AT24_FLAG_ADDR16) }, { "24c512", AT24_DEVICE_MAGIC(524288 / 8, AT24_FLAG_ADDR16) }, { "24c1024", AT24_DEVICE_MAGIC(1048576 / 8, AT24_FLAG_ADDR16) }, + { "24c2048", AT24_DEVICE_MAGIC(2097152 / 8, AT24_FLAG_ADDR16) }, { "at24", 0 }, { /* END OF LIST */ } };