linux-kernel - [PATCH] rtc: ds1390: Add OF device ID table

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Message-Id: <20171027110947.12803-1-alexandre.belloni@free-electrons.com>
Date:   Fri, 27 Oct 2017 13:09:47 +0200
From:   Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:     linux-rtc@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH] rtc: ds1390: Add OF device ID table

The driver doesn't have a struct of_device_id table but supported devices
are registered via Device Trees. Worse, the compatible is documented but
doesn't currently match the driver.

Add the proper compatible to the driver.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
---
 drivers/rtc/rtc-ds1390.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/rtc/rtc-ds1390.c b/drivers/rtc/rtc-ds1390.c
index aa0d2c6f1edc..4d5b007d7fc6 100644
--- a/drivers/rtc/rtc-ds1390.c
+++ b/drivers/rtc/rtc-ds1390.c
@@ -216,9 +216,16 @@ static int ds1390_probe(struct spi_device *spi)
 	return res;
 }
 
+static const struct of_device_id ds1390_of_match[] = {
+	{ .compatible = "dallas,ds1390" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, ds1390_of_match);
+
 static struct spi_driver ds1390_driver = {
 	.driver = {
 		.name	= "rtc-ds1390",
+		.of_match_table = of_match_ptr(ds1390_of_match),
 	},
 	.probe	= ds1390_probe,
 };
-- 
2.15.0.rc2