linux-kernel - [PATCH 1/2] iio: adc: stm32-dfsdm: fix unmet direct dependencies detected

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Date:   Mon, 15 Apr 2019 15:00:50 +0200
From:   Fabrice Gasnier <fabrice.gasnier@...com>
To:     <jic23@...nel.org>, <rdunlap@...radead.org>
CC:     <sfr@...b.auug.org.au>, <benjamin.gaignard@...aro.org>,
        <linux-next@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <mcoquelin.stm32@...il.com>,
        <alexandre.torgue@...com>, <fabrice.gasnier@...com>,
        <linux-iio@...r.kernel.org>, <lars@...afoo.de>, <knaack.h@....de>,
        <pmeerw@...erw.net>, <linux-stm32@...md-mailman.stormreply.com>,
        <arnaud.pouliquen@...com>, <olivier.moysan@...com>
Subject: [PATCH 1/2] iio: adc: stm32-dfsdm: fix unmet direct dependencies detected

This fixes unmet direct dependencies seen when CONFIG_STM32_DFSDM_ADC
is selected:

WARNING: unmet direct dependencies detected for IIO_BUFFER_HW_CONSUMER
  Depends on [n]: IIO [=y] && IIO_BUFFER [=n]
  Selected by [y]:
  - STM32_DFSDM_ADC [=y] && IIO [=y] && (ARCH_STM32 [=y] && OF [=y] ||
    COMPILE_TEST [=n])

Fixes: e2e6771c6462 ("IIO: ADC: add STM32 DFSDM sigma delta ADC support")

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...com>
---
 drivers/iio/adc/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 846c7ac..b1b2bde 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -821,6 +821,7 @@ config STM32_DFSDM_ADC
 	depends on (ARCH_STM32 && OF) || COMPILE_TEST
 	select STM32_DFSDM_CORE
 	select REGMAP_MMIO
+	select IIO_BUFFER
 	select IIO_BUFFER_HW_CONSUMER
 	help
 	  Select this option to support ADCSigma delta modulator for
-- 
2.7.4