linux-kernel - [PATCH v2] iio: accel: kxsd9: declare missing of table

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Message-Id: <1556055659-14658-1-git-send-email-dagmcr@gmail.com>
Date:   Tue, 23 Apr 2019 23:40:59 +0200
From:   Daniel Gomez <dagmcr@...il.com>
To:     Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        linux-iio@...r.kernel.org (open list:IIO SUBSYSTEM AND DRIVERS),
        linux-kernel@...r.kernel.org (open list)
Cc:     dagmcr@...il.com, javier@...hile0.org,
        linux-iio@...r.kernel.org (open list:IIO SUBSYSTEM AND DRIVERS),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v2] iio: accel: kxsd9: declare missing of table

Add missing <of_device_id> table for SPI driver relying on SPI
device match since compatible is in a DT binding or in a DTS.

Before this patch:
modinfo drivers/iio/accel/kxsd9-spi.ko  | grep alias
alias:          spi:kxsd9

After this patch:
modinfo drivers/iio/accel/kxsd9-spi.ko  | grep alias
alias:          spi:kxsd9
alias:          of:N*T*Ckionix,kxsd9C*
alias:          of:N*T*Ckionix,kxsd9

Reported-by: Javier Martinez Canillas <javier@...hile0.org>
Signed-off-by: Daniel Gomez <dagmcr@...il.com>
---
 drivers/iio/accel/kxsd9-spi.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/iio/accel/kxsd9-spi.c b/drivers/iio/accel/kxsd9-spi.c
index b7d0078..3027917 100644
--- a/drivers/iio/accel/kxsd9-spi.c
+++ b/drivers/iio/accel/kxsd9-spi.c
@@ -1,5 +1,7 @@
 #include <linux/device.h>
 #include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/spi/spi.h>
 #include <linux/module.h>
 #include <linux/slab.h>
@@ -40,10 +42,17 @@ static const struct spi_device_id kxsd9_spi_id[] = {
 };
 MODULE_DEVICE_TABLE(spi, kxsd9_spi_id);
 
+static const struct of_device_id kxsd9_of_match[] = {
+        { .compatible = "kionix,kxsd9" },
+        { },
+};
+MODULE_DEVICE_TABLE(of, kxsd9_of_match);
+
 static struct spi_driver kxsd9_spi_driver = {
 	.driver = {
 		.name = "kxsd9",
 		.pm = &kxsd9_dev_pm_ops,
+		.of_match_table = kxsd9_of_match,
 	},
 	.probe = kxsd9_spi_probe,
 	.remove = kxsd9_spi_remove,
-- 
2.7.4