From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Jonathan Cameron <jic23@kernel.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
Geert Uytterhoeven <geert@linux-m68k.org>
Subject: [PATCH v4] iio: adc: Remove depends on HAS_DMA in case of platform dependency
Date: Fri, 22 Jun 2018 13:05:01 +0200 [thread overview]
Message-ID: <20180622110501.31733-1-geert@linux-m68k.org> (raw)
Remove dependencies on HAS_DMA where a Kconfig symbol depends on another
symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST".
In most cases this other symbol is an architecture or platform specific
symbol, or PCI.
Generic symbols and drivers without platform dependencies keep their
dependencies on HAS_DMA, to prevent compiling subsystems or drivers that
cannot work anyway.
This simplifies the dependencies, and allows to improve compile-testing.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
v4:
- Rebase to v4.18-rc1 (applies to next-20180622, too),
v3:
- Add Acked-by,
- Rebase to v4.17-rc1,
v2:
- Add Reviewed-by, Acked-by,
- Drop RFC state,
- Split per subsystem.
---
drivers/iio/adc/Kconfig | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 9da79070357c7d93..434923dd6f1e3d66 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -157,7 +157,6 @@ config AT91_SAMA5D2_ADC
tristate "Atmel AT91 SAMA5D2 ADC"
depends on ARCH_AT91 || COMPILE_TEST
depends on HAS_IOMEM
- depends on HAS_DMA
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
help
@@ -647,7 +646,6 @@ config SD_ADC_MODULATOR
config STM32_ADC_CORE
tristate "STMicroelectronics STM32 adc core"
depends on ARCH_STM32 || COMPILE_TEST
- depends on HAS_DMA
depends on OF
depends on REGULATOR
select IIO_BUFFER
--
2.17.1
next reply other threads:[~2018-06-22 11:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-22 11:05 Geert Uytterhoeven [this message]
2018-06-24 13:15 ` [PATCH v4] iio: adc: Remove depends on HAS_DMA in case of platform dependency Jonathan Cameron
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