linux-kernel - [PATCH] iio: chemical: select IRQ

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Date:	Tue, 02 Feb 2016 15:36:39 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Jonathan Cameron <jic23@...nel.org>
Cc:	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	Matt Ranostay <mranostay@...il.com>,
	Peter Meerwald <pmeerw@...erw.net>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Hartmut Knaack <knaack.h@....de>,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] iio: chemical: select IRQ_WORK for ATLAS ph sensor

The newly added atlas-ph-sensor driver uses irq_work_queue, which
may not always be enabled:

ERROR: "irq_work_queue" [drivers/iio/chemical/atlas-ph-sensor.ko] undefined!

This adds a 'select' statement to Kconfig to ensure it's there
when we need it.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Fixes: 27dec00ecf2d ("iio: chemical: add Atlas pH-SM sensor support")

diff --git a/drivers/iio/chemical/Kconfig b/drivers/iio/chemical/Kconfig
index ce7cd1370f74..f73290f84c90 100644
--- a/drivers/iio/chemical/Kconfig
+++ b/drivers/iio/chemical/Kconfig
@@ -10,6 +10,7 @@ config ATLAS_PH_SENSOR
 	select REGMAP_I2C
 	select IIO_BUFFER
 	select IIO_TRIGGERED_BUFFER
+	select IRQ_WORK
 	help
 	 Say Y here to build I2C interface support for the Atlas
 	 Scientific OEM pH-SM sensor.