linux-kernel - [PATCH] iio: adc: Fix build error of missing devm_ioremap

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Message-id: <1457053526-28841-1-git-send-email-k.kozlowski@samsung.com>
Date:	Fri, 04 Mar 2016 10:05:26 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Jonathan Cameron <jic23@...nel.org>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald <pmeerw@...erw.net>, linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	Arnd Bergmann <arnd@...db.de>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Subject: [PATCH] iio: adc: Fix build error of missing devm_ioremap_resource on
 UM

The devres.o gets linked if HAS_IOMEM is present so on ARCH=um
allyesconfig (COMPILE_TEST) failed with:

drivers/built-in.o: In function `at91_adc_probe':
at91-sama5d2_adc.c:(.text+0x48f548): undefined reference to `devm_ioremap_resource'

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
---
 drivers/iio/adc/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index af4aea7b20f9..82c718c515a0 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -134,6 +134,7 @@ config AT91_ADC
 config AT91_SAMA5D2_ADC
 	tristate "Atmel AT91 SAMA5D2 ADC"
 	depends on ARCH_AT91 || COMPILE_TEST
+	depends on HAS_IOMEM
 	help
 	  Say yes here to build support for Atmel SAMA5D2 ADC which is
 	  available on SAMA5D2 SoC family.
-- 
2.5.0