linux-kernel - Re: [PATCH v5 6/7] iommu: Retire bus ops

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Message-ID: <63s3zurkwuq66szkc6wnvzbh75d5vxek3fzzsxbufd4ytdnkke@2gnfjb3b6ufk>
Date:   Wed, 18 Oct 2023 16:36:24 -0700
From:   Jerry Snitselaar <jsnitsel@...hat.com>
To:     Robin Murphy <robin.murphy@....com>
Cc:     joro@...tes.org, will@...nel.org, iommu@...ts.linux.dev,
        jgg@...dia.com, baolu.lu@...ux.intel.com,
        linux-kernel@...r.kernel.org,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Christoph Hellwig <hch@....de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH v5 6/7] iommu: Retire bus ops

On Wed, Oct 11, 2023 at 07:14:53PM +0100, Robin Murphy wrote:
> With the rest of the API internals converted, it's time to finally
> tackle probe_device and how we bootstrap the per-device ops association
> to begin with. This ends up being disappointingly straightforward, since
> fwspec users are already doing it in order to find their of_xlate
> callback, and it works out that we can easily do the equivalent for
> other drivers too. Then shuffle the remaining awareness of iommu_ops
> into the couple of core headers that still need it, and breathe a sigh
> of relief.
> 
> Ding dong the bus ops are gone!
> 
> CC: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> Acked-by: Christoph Hellwig <hch@....de>
> Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Reviewed-by: Lu Baolu <baolu.lu@...ux.intel.com>
> Reviewed-by: Jason Gunthorpe <jgg@...dia.com>
> Signed-off-by: Robin Murphy <robin.murphy@....com>
> 
> ---
> 
> v4: Don't forget new reference in iommu_device_register_bus()
> ---
>  drivers/iommu/iommu.c       | 31 ++++++++++++++++++-------------
>  include/acpi/acpi_bus.h     |  2 ++
>  include/linux/device.h      |  1 -
>  include/linux/device/bus.h  |  5 -----
>  include/linux/dma-map-ops.h |  1 +
>  5 files changed, 21 insertions(+), 19 deletions(-)
> 

Reviewed-by: Jerry Snitselaar <jsnitsel@...hat.com>