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Date: Mon, 9 Oct 2023 11:16:25 +0200
From: Christoph Hellwig <hch@lst.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Christoph Hellwig <hch@lst.de>, iommu@lists.linux.dev,
	Robin Murphy <robin.murphy@arm.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Wei Fang <wei.fang@nxp.com>, Shenwei Wang <shenwei.wang@nxp.com>,
	Clark Wang <xiaoning.wang@nxp.com>,
	NXP Linux Team <linux-imx@nxp.com>, linux-m68k@lists.linux-m68k.org,
	netdev@vger.kernel.org, Jim Quinlan <james.quinlan@broadcom.com>,
	linux-riscv <linux-riscv@lists.infradead.org>,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	"Lad, Prabhakar" <prabhakar.mahadev-lad.rj@bp.renesas.com>
Subject: Re: [PATCH 1/6] dma-direct: add depdenencies to
 CONFIG_DMA_GLOBAL_POOL
Message-ID: <20231009091625.GB22463@lst.de>
References: <20231009074121.219686-1-hch@lst.de> <20231009074121.219686-2-hch@lst.de> <CAMuHMdWiYDQ5J7R7hPaVAYgXqJvpjdksoF6X-zHrJ_80Ly4XfQ@mail.gmail.com>
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User-Agent: Mutt/1.5.17 (2007-11-01)

On Mon, Oct 09, 2023 at 10:43:57AM +0200, Geert Uytterhoeven wrote:
> >  config DMA_DIRECT_REMAP
> 
> riscv defconfig + CONFIG_NONPORTABLE=y + CONFIG_ARCH_R9A07G043=y:
> 
> WARNING: unmet direct dependencies detected for DMA_GLOBAL_POOL
>   Depends on [n]: !ARCH_HAS_DMA_SET_UNCACHED [=n] && !DMA_DIRECT_REMAP [=y]
>   Selected by [y]:
>   - ARCH_R9A07G043 [=y] && SOC_RENESAS [=y] && RISCV [=y] && NONPORTABLE [=y]

And that's exactly what this patch is supposed to show.  RISCV must not
select DMA_DIRECT_REMAP at the same time as DMA_GLOBAL_POOL.  I though
the fix for that just went upstream?