[prev in list] [next in list] [prev in thread] [next in thread] 

List:       linux-i2c
Subject:    [PATCH v4 2/3] eeprom: at24: add support to fetch eeprom device property "size"
From:       Divagar Mohandass <divagar.mohandass () intel ! com>
Date:       2017-08-30 17:17:39
Message-ID: 1504112740-14072-3-git-send-email-divagar.mohandass () intel ! com
[Download RAW message or body]

Obtain the size of the EEPROM chip from DT if the "size" property is
specified for the device.

Signed-off-by: Divagar Mohandass <divagar.mohandass@intel.com>
---
 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

[prev in list] [next in list] [prev in thread] [next in thread]