linux-kernel - [PATCH 3/4] eeprom: idt_89hpesx: Add OF device ID table

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Message-Id: <20170314151638.23132-4-javier@osg.samsung.com>
Date:   Tue, 14 Mar 2017 12:16:37 -0300
From:   Javier Martinez Canillas <javier@....samsung.com>
To:     linux-kernel@...r.kernel.org
Cc:     Javier Martinez Canillas <javier@....samsung.com>,
        Wei Yongjun <weiyongjun1@...wei.com>,
        Serge Semin <fancer.lancer@...il.com>,
        Julia Lawall <julia.lawall@...6.fr>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Colin Ian King <colin.king@...onical.com>,
        Dan Carpenter <dan.carpenter@...cle.com>
Subject: [PATCH 3/4] eeprom: idt_89hpesx: Add OF device ID table

The driver doesn't have a struct of_device_id table but supported devices
are registered via Device Trees. This is working on the assumption that a
I2C device registered via OF will always match a legacy I2C device ID and
that the MODALIAS reported will always be of the form i2c:<device>.

But this could change in the future so the correct approach is to have an
OF device ID table if the devices are registered via OF.

Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
---

 drivers/misc/eeprom/idt_89hpesx.c | 57 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/drivers/misc/eeprom/idt_89hpesx.c b/drivers/misc/eeprom/idt_89hpesx.c
index 4a22a1d99395..ec99f823a4ef 100644
--- a/drivers/misc/eeprom/idt_89hpesx.c
+++ b/drivers/misc/eeprom/idt_89hpesx.c
@@ -1541,12 +1541,69 @@ static const struct i2c_device_id idt_ids[] = {
 };
 MODULE_DEVICE_TABLE(i2c, idt_ids);
 
+static const struct of_device_id idt_of_match[] = {
+	{ .compatible = "idt,89hpes8nt2", },
+	{ .compatible = "idt,89hpes12nt3", },
+
+	{ .compatible = "idt,89hpes24nt6ag2", },
+	{ .compatible = "idt,89hpes32nt8ag2", },
+	{ .compatible = "idt,89hpes32nt8bg2", },
+	{ .compatible = "idt,89hpes12nt12g2", },
+	{ .compatible = "idt,89hpes16nt16g2", },
+	{ .compatible = "idt,89hpes24nt24g2", },
+	{ .compatible = "idt,89hpes32nt24ag2", },
+	{ .compatible = "idt,89hpes32nt24bg2", },
+
+	{ .compatible = "idt,89hpes12n3", },
+	{ .compatible = "idt,89hpes12n3a", },
+	{ .compatible = "idt,89hpes24n3", },
+	{ .compatible = "idt,89hpes24n3a", },
+
+	{ .compatible = "idt,89hpes32h8", },
+	{ .compatible = "idt,89hpes32h8g2", },
+	{ .compatible = "idt,89hpes48h12", },
+	{ .compatible = "idt,89hpes48h12g2", },
+	{ .compatible = "idt,89hpes48h12ag2", },
+	{ .compatible = "idt,89hpes16h16", },
+	{ .compatible = "idt,89hpes22h16", },
+	{ .compatible = "idt,89hpes22h16g2", },
+	{ .compatible = "idt,89hpes34h16", },
+	{ .compatible = "idt,89hpes34h16g2", },
+	{ .compatible = "idt,89hpes64h16", },
+	{ .compatible = "idt,89hpes64h16g2", },
+	{ .compatible = "idt,89hpes64h16ag2", },
+
+	{ .compatible = "idt,89hpes12t3g2", },
+	{ .compatible = "idt,89hpes24t3g2", },
+
+	{ .compatible = "idt,89hpes16t4", },
+	{ .compatible = "idt,89hpes4t4g2", },
+	{ .compatible = "idt,89hpes10t4g2", },
+	{ .compatible = "idt,89hpes16t4g2", },
+	{ .compatible = "idt,89hpes16t4ag2", },
+	{ .compatible = "idt,89hpes5t5", },
+	{ .compatible = "idt,89hpes6t5", },
+	{ .compatible = "idt,89hpes8t5", },
+	{ .compatible = "idt,89hpes8t5a", },
+	{ .compatible = "idt,89hpes24t6", },
+	{ .compatible = "idt,89hpes6t6g2", },
+	{ .compatible = "idt,89hpes24t6g2", },
+	{ .compatible = "idt,89hpes16t7", },
+	{ .compatible = "idt,89hpes32t8", },
+	{ .compatible = "idt,89hpes32t8g2", },
+	{ .compatible = "idt,89hpes48t12", },
+	{ .compatible = "idt,89hpes48t12g2", },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, idt_of_match);
+
 /*
  * idt_driver - IDT 89HPESx driver structure
  */
 static struct i2c_driver idt_driver = {
 	.driver = {
 		.name = IDT_NAME,
+		.of_match_table = of_match_ptr(idt_of_match),
 	},
 	.probe = idt_probe,
 	.remove = idt_remove,
-- 
2.9.3