linux-kernel - [PATCH] iio: chemical: pms7003: fix unmet triggered buffer dependency

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Message-Id: <20191213213808.124603-1-tduszyns@gmail.com>
Date:   Fri, 13 Dec 2019 22:38:08 +0100
From:   Tomasz Duszynski <tduszyns@...il.com>
To:     linux-iio@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Tomasz Duszynski <tduszyns@...il.com>
Subject: [PATCH] iio: chemical: pms7003: fix unmet triggered buffer dependency

IIO triggered buffer depends on IIO buffer which is missing from Kconfig
file. This should go unnoticed most of the time because there's a
chance something else has already enabled buffers. In some rare cases
though one might experience kbuild warnings about unmet direct
dependencies and build failures due to missing symbols.

Fix this by selecting IIO_BUFFER explicitly.

Signed-off-by: Tomasz Duszynski <tduszyns@...il.com>
---
 drivers/iio/chemical/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/chemical/Kconfig b/drivers/iio/chemical/Kconfig
index fa4586037bb8..0b91de4df8f4 100644
--- a/drivers/iio/chemical/Kconfig
+++ b/drivers/iio/chemical/Kconfig
@@ -65,6 +65,7 @@ config IAQCORE
 config PMS7003
 	tristate "Plantower PMS7003 particulate matter sensor"
 	depends on SERIAL_DEV_BUS
+	select IIO_BUFFER
 	select IIO_TRIGGERED_BUFFER
 	help
 	  Say Y here to build support for the Plantower PMS7003 particulate
-- 
2.24.1