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Date:   Mon, 6 Nov 2023 14:08:19 +0100
From:   David Epping <david.epping@missinglinkelectronics.com>
To:     Bjorn Helgaas <helgaas@kernel.org>
Cc:     linux-arm-kernel@lists.infradead.org,
        Dinh Nguyen <dinguyen@kernel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
        Bjorn Helgaas <bhelgaas@google.com>,
        Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= <kw@linux.com>,
        Zhichang Yuan <yuanzhichang@hisilicon.com>,
        Gabriele Paoloni <gabriele.paoloni@huawei.com>,
        John Garry <john.garry@huawei.com>,
        Joyce Ooi <joyce.ooi@intel.com>
Subject: Re: arm: mach-socfpga: PCIe Root IO TLP support for Cyclone V
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 <20231103184348.GA162150@bhelgaas>
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On Fri, Nov 03, 2023 at 01:43:48PM -0500, Bjorn Helgaas wrote:
> I don't understand INDIRECT_PIO very well, but does it help with this
> at all?
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/lib/Kconfig?id=v6.6#n92
> https://git.kernel.org/linus/031e3601869c

Hi Bjorn,
thanks a lot for these links. They look very promising and I'll check how they can be combined with the socfpga / Altera Root Complex driver.
Best regards, David