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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: dmaengine@vger.kernel.org, dri-devel@lists.freedesktop.org,
	alsa-devel@alsa-project.org
Cc: Hyun Kwon <hyun.kwon@xilinx.com>,
	Randy Dunlap <rdunlap@infradead.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Michal Simek <michal.simek@xilinx.com>,
	Alexandre Bounine <alex.bou9@gmail.com>,
	Vinod Koul <vkoul@kernel.org>, Mark Brown <broonie@kernel.org>,
	Matt Porter <mporter@kernel.crashing.org>
Subject: [PATCH 0/3] Fix Kconfig dependency issue with DMAENGINES selection
Date: Wed, 29 Jul 2020 19:29:07 +0300
Message-ID: <20200729162910.13196-1-laurent.pinchart@ideasonboard.com> (raw)

Hello,

This small series fixes a Kconfig dependency issue with the recently
merged Xilixn DPSUB DRM/KMS driver. The fix is in patch 3/3, but
requires a separate fixes in patches 1/3 and 2/3 to avoid circular
dependencies:

	drivers/i2c/Kconfig:8:error: recursive dependency detected!
	drivers/i2c/Kconfig:8:  symbol I2C is selected by FB_DDC
	drivers/video/fbdev/Kconfig:63: symbol FB_DDC depends on FB
	drivers/video/fbdev/Kconfig:12: symbol FB is selected by DRM_KMS_FB_HELPER
	drivers/gpu/drm/Kconfig:80:     symbol DRM_KMS_FB_HELPER depends on DRM_KMS_HELPER
	drivers/gpu/drm/Kconfig:74:     symbol DRM_KMS_HELPER is selected by DRM_ZYNQMP_DPSUB
	drivers/gpu/drm/xlnx/Kconfig:1: symbol DRM_ZYNQMP_DPSUB depends on DMA_ENGINE
	drivers/dma/Kconfig:44: symbol DMA_ENGINE depends on DMADEVICES
	drivers/dma/Kconfig:6:  symbol DMADEVICES is selected by SND_SOC_SH4_SIU
	sound/soc/sh/Kconfig:30:        symbol SND_SOC_SH4_SIU is selected by SND_SIU_MIGOR
	sound/soc/sh/Kconfig:60:        symbol SND_SIU_MIGOR depends on I2C
	For a resolution refer to Documentation/kbuild/kconfig-language.rst
	subsection "Kconfig recursive dependency limitations"

Due to the DPSUB driver being merged in v5.9, this is a candidate fix
for v5.9 as well. 1/3 and 2/3 can be merged independently, 3/3 depends
on the first two. What's the best course of action, can I merge this all
in a single tree, or should the rapidio and ASoC patches be merged
independently early in the -rc cycle, and the DRM patch later on top ? I
don't expect conflicts (especially in 2/3 and 3/3), so merging the whole
series in one go would be simpler in my opinion.

Laurent Pinchart (3):
  rapidio: Replace 'select' DMAENGINES 'with depends on'
  ASoC: sh: Replace 'select' DMAENGINES 'with depends on'
  drm: xlnx: dpsub: Fix DMADEVICES Kconfig dependency

 drivers/gpu/drm/xlnx/Kconfig | 1 +
 drivers/rapidio/Kconfig      | 2 +-
 sound/soc/sh/Kconfig         | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

-- 
Regards,

Laurent Pinchart


             reply index

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-29 16:29 Laurent Pinchart [this message]
2020-07-29 16:29 ` [PATCH 1/3] rapidio: Replace 'select' DMAENGINES 'with depends on' Laurent Pinchart
2020-07-29 16:43   ` Sam Ravnborg
2020-07-29 16:50     ` Laurent Pinchart
2020-07-29 16:29 ` [PATCH 2/3] ASoC: sh: " Laurent Pinchart
2020-07-29 16:29 ` [PATCH 3/3] drm: xlnx: dpsub: Fix DMADEVICES Kconfig dependency Laurent Pinchart
2020-07-31 18:54 ` [PATCH 0/3] Fix Kconfig dependency issue with DMAENGINES selection Mark Brown

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