linux-kernel - Re: linux-next: build failure after merge of the irqchip tree

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Date:   Thu, 29 Sep 2022 15:40:56 +0100
From:   Robin Murphy <robin.murphy@....com>
To:     broonie@...nel.org, Marc Zyngier <maz@...nel.org>,
        Joerg Roedel <jroedel@...e.de>, Frank Li <Frank.Li@....com>,
        Will Deacon <will@...nel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev
Subject: Re: linux-next: build failure after merge of the irqchip tree

On 2022-09-29 15:31, broonie@...nel.org wrote:
> Hi all,
> 
> After merging the irqchip tree, today's linux-next build (arm64
> defconfig) failed like this:
> 
> /tmp/next/build/drivers/irqchip/irq-imx-mu-msi.c:14:10: fatal error: linux/dma-iommu.h: No such file or directory
>     14 | #include <linux/dma-iommu.h>
>        |          ^~~~~~~~~~~~~~~~~~~
> 
> Caused by commit
> 
>    841e6e9f2bc95baff ("irqchip: Add IMX MU MSI controller driver")
> 
> interacting with
> 
>    f2042ed21da7f8886 ("iommu/dma: Make header private")
> 
> I have reverted the driver for today.

Once again it looks like an unused include which could just be 
removed... illustrating a large part of why I took the header away :)

Cheers,
Robin.