linux-kernel - [PATCH] iio: bme680_i2c: Make bme680_acpi_match depend on CONFIG

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Message-Id: <20210504174019.2134652-1-linux@roeck-us.net>
Date:   Tue,  4 May 2021 10:40:19 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Guenter Roeck <linux@...ck-us.net>,
        kernel test robot <lkp@...el.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: [PATCH] iio: bme680_i2c: Make bme680_acpi_match depend on CONFIG_ACPI

With CONFIG_ACPI=n and -Werror, 0-day reports:

drivers/iio/chemical/bme680_i2c.c:46:36: error:
	'bme680_acpi_match' defined but not used

Reported-by: kernel test robot <lkp@...el.com>
Cc: Andy Shevchenko <andy.shevchenko@...il.com>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
Given the other patch, question of course is if this ACPI ID
is real. A Google search suggests that this might not be the case.
Should we remove it as well ? STK8312 has the same problem.

Jonathan, I think this needs your input before I send more patches.

 drivers/iio/chemical/bme680_i2c.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/iio/chemical/bme680_i2c.c b/drivers/iio/chemical/bme680_i2c.c
index 29c0dfa4702b..b5e75f145c19 100644
--- a/drivers/iio/chemical/bme680_i2c.c
+++ b/drivers/iio/chemical/bme680_i2c.c
@@ -42,11 +42,13 @@ static const struct i2c_device_id bme680_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, bme680_i2c_id);
 
+#ifdef CONFIG_ACPI
 static const struct acpi_device_id bme680_acpi_match[] = {
 	{"BME0680", 0},
 	{},
 };
 MODULE_DEVICE_TABLE(acpi, bme680_acpi_match);
+#endif
 
 static const struct of_device_id bme680_of_i2c_match[] = {
 	{ .compatible = "bosch,bme680", },
-- 
2.25.1