[PATCH v3 2/3] eeprom: at24: add support to fetch eeprom device property "size"
From: Divagar Mohandass <hidden>
Date: 2017-08-30 04:11:41
Also in:
linux-i2c, lkml
Subsystem:
at24 eeprom driver, char and misc drivers, the rest · Maintainers:
Bartosz Golaszewski, Arnd Bergmann, Greg Kroah-Hartman, Linus Torvalds
Obtain the size of the EEPROM chip from DT if the "size" property is specified for the device. Signed-off-by: Divagar Mohandass <redacted> --- drivers/misc/eeprom/at24.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index 764ff5df..2199c42 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c@@ -570,6 +570,10 @@ static void at24_get_pdata(struct device *dev, struct at24_platform_data *chip) if (device_property_present(dev, "read-only")) chip->flags |= AT24_FLAG_READONLY; + err = device_property_read_u32(dev, "size", &val); + if (!err) + chip->byte_len = val; + err = device_property_read_u32(dev, "pagesize", &val); if (!err) { chip->page_size = val;
--
1.9.1