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Message-ID: <20251023181235.GH21554@ziepe.ca> References: <20251011023003.159922-1-reaperlioc@glenfly.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251011023003.159922-1-reaperlioc@glenfly.com> On Sat, Oct 11, 2025 at 10:30:03AM +0800, Reaper Li wrote: > From: Reaper > > Commit 9246b487ab3c ("PCI: Add function 0 DMA alias quirk for Glenfly Arise > chip ") add quirk to fix hda dma request issue, but IORT logic populaties > two identical IDs into the fwspec->ids array via DMA aliasing in > iort_pci_iommu_init() called by pci_for_each_dma_alias(). I'd rather we not have duplicate IDs in the same fwspec, can we avoid that at the source? Jason