linux-kernel - [PATCH 16/34] iio: ad5755: hook up of_device

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Message-Id: <20240403080702.3509288-17-arnd@kernel.org>
Date: Wed,  3 Apr 2024 10:06:34 +0200
From: Arnd Bergmann <arnd@...nel.org>
To: linux-kernel@...r.kernel.org,
	Lars-Peter Clausen <lars@...afoo.de>,
	Michael Hennerich <Michael.Hennerich@...log.com>,
	Jonathan Cameron <jic23@...nel.org>
Cc: Arnd Bergmann <arnd@...db.de>,
	linux-iio@...r.kernel.org
Subject: [PATCH 16/34] iio: ad5755: hook up of_device_id lookup to platform driver

From: Arnd Bergmann <arnd@...db.de>

When the driver is built-in, 'make W=1' warns about an unused
ID table:

drivers/iio/dac/ad5755.c:866:34: error: 'ad5755_of_match' defined but not used [-Werror=unused-const-variable=]
  866 | static const struct of_device_id ad5755_of_match[] = {

While the data is duplicated in the spi_device_id, it's common
to use the actual OF compatible strings in the driver.

Since there are no in-tree users of plain platform devices, the
spi_device_id table could actually be dropped entirely with this.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/iio/dac/ad5755.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/dac/ad5755.c b/drivers/iio/dac/ad5755.c
index 404865e35460..5c1e7f428c25 100644
--- a/drivers/iio/dac/ad5755.c
+++ b/drivers/iio/dac/ad5755.c
@@ -876,6 +876,7 @@ MODULE_DEVICE_TABLE(of, ad5755_of_match);
 static struct spi_driver ad5755_driver = {
 	.driver = {
 		.name = "ad5755",
+		.of_match_table = ad5755_of_match,
 	},
 	.probe = ad5755_probe,
 	.id_table = ad5755_id,
-- 
2.39.2