linux-kernel - [PATCH v2 28/39] ASoC: pcm179x: skip of_device_id table when !CONFIG

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Message-Id: <20201125164452.89239-29-krzk@kernel.org>
Date:   Wed, 25 Nov 2020 17:44:41 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Support Opensource <support.opensource@...semi.com>,
        Oder Chiou <oder_chiou@...ltek.com>,
        Kevin Cernekee <cernekee@...omium.org>,
        Jerome Brunet <jbrunet@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Patrick Lai <plai@...eaurora.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org
Subject: [PATCH v2 28/39] ASoC: pcm179x: skip of_device_id table when !CONFIG_OF

The driver can match by multiple methods.  Its of_device_id table is
referenced via of_match_ptr() so it will be unused for !CONFIG_OF
builds:

  sound/soc/codecs/pcm179x-i2c.c:33:34: warning: ‘pcm179x_of_match’ defined but not used [-Wunused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 sound/soc/codecs/pcm179x-i2c.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/codecs/pcm179x-i2c.c b/sound/soc/codecs/pcm179x-i2c.c
index 36e01678bef4..34a3d596f288 100644
--- a/sound/soc/codecs/pcm179x-i2c.c
+++ b/sound/soc/codecs/pcm179x-i2c.c
@@ -30,11 +30,13 @@ static int pcm179x_i2c_probe(struct i2c_client *client,
 	return pcm179x_common_init(&client->dev, regmap);
 }
 
+#ifdef CONFIG_OF
 static const struct of_device_id pcm179x_of_match[] = {
 	{ .compatible = "ti,pcm1792a", },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, pcm179x_of_match);
+#endif
 
 static const struct i2c_device_id pcm179x_i2c_ids[] = {
 	{ "pcm179x", 0 },
-- 
2.25.1