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Subject[PATCH 4.14 02/62] eeprom: at24: add support for 24c2048
Date
4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

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 */ }
};
--
2.19.1


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