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From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org
Subject: [PATCH] eeprom: at24: add the "read-only" dt parameter support
Date: Mon, 24 Apr 2017 19:35:59 +0300	[thread overview]
Message-ID: <20170424163559.22379-1-antonynpavlov@gmail.com> (raw)

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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             reply	other threads:[~2017-04-24 16:36 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-24 16:35 Antony Pavlov [this message]
2017-04-25  5:44 ` Sascha Hauer

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