linux-kernel - Re: [PATCH 4/4] iommu: make inclusion of riscv directory conditional

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Message-ID: <Z9vMwUQ679SdSwhG@8bytes.org>
Date: Thu, 20 Mar 2025 09:07:29 +0100
From: Joerg Roedel <joro@...tes.org>
To: Rolf Eike Beer <eb@...ix.com>
Cc: Will Deacon <will@...nel.org>, iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Tomasz Jeznach <tjeznach@...osinc.com>,
	Nick Kossifidis <mick@....forth.gr>,
	Sebastien Boeuf <seb@...osinc.com>,
	Lu Baolu <baolu.lu@...ux.intel.com>,
	Palmer Dabbelt <palmer@...osinc.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>
Subject: Re: [PATCH 4/4] iommu: make inclusion of riscv directory conditional

On Tue, Mar 11, 2025 at 11:15:12AM +0100, Rolf Eike Beer wrote:
> Nothing in there is active if CONFIG_RISCV_IOMMU is not enabled, so the whole
> directory can depend on that switch as well.
> 
> Fixes: 5c0ebbd3c6c6 ("iommu/riscv: Add RISC-V IOMMU platform device driver")
> Signed-off-by: Rolf Eike Beer <eb@...ix.com>
> ---
>  drivers/iommu/Makefile | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile
> index 41b00cdc8621..17133876f777 100644
> --- a/drivers/iommu/Makefile
> +++ b/drivers/iommu/Makefile
> @@ -1,7 +1,8 @@
>  # SPDX-License-Identifier: GPL-2.0
> -obj-y += arm/ iommufd/ riscv/
> +obj-y += arm/ iommufd/
>  obj-$(CONFIG_AMD_IOMMU) += amd/
>  obj-$(CONFIG_INTEL_IOMMU) += intel/
> +obj-$(CONFIG_RISCV_IOMMU) += riscv/
>  obj-$(CONFIG_IOMMU_API) += iommu.o
>  obj-$(CONFIG_IOMMU_API) += iommu-traces.o
>  obj-$(CONFIG_IOMMU_API) += iommu-sysfs.o

This allows for some additional cleanups in the Makefiles of the
sub-directory, no? Same for the other patches in this series.

Regards,

	Joerg