[PATCH] eeprom: at24: add the "read-only" dt parameter support

[Antony Pavlov]

Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
---
 drivers/eeprom/at24.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/eeprom/at24.c b/drivers/eeprom/at24.c
index 1227286fbe..050a35aed8 100644
--- a/drivers/eeprom/at24.c
+++ b/drivers/eeprom/at24.c
@@ -454,6 +454,10 @@ static int at24_probe(struct device_d *dev)
 	at24->cdev.size = chip.byte_len;
 
 	writable = !(chip.flags & AT24_FLAG_READONLY);
+
+	if (of_get_property(dev->device_node, "read-only", NULL))
+		writable = 0;
+
 	if (writable) {
 		unsigned write_max = chip.page_size;
 
-- 
2.11.0