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* [PATCH] eeprom: at24: add the "read-only" dt parameter support
@ 2017-04-24 16:35 Antony Pavlov
  2017-04-25  5:44 ` Sascha Hauer
  0 siblings, 1 reply; 2+ messages in thread
From: Antony Pavlov @ 2017-04-24 16:35 UTC (permalink / raw)
  To: barebox

Signed-off-by: Antony Pavlov <antonynpavlov@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


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2017-04-24 16:35 [PATCH] eeprom: at24: add the "read-only" dt parameter support Antony Pavlov
2017-04-25  5:44 ` Sascha Hauer

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