linux-kernel - Re: [PATCH v5 0/3] PCI: Add a quirk to enable SVA for HiSilicon chip

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Message-ID: <1796ac2a-b068-467e-804e-163f9e1f3c41@linaro.org>
Date:   Tue, 27 Jul 2021 14:47:29 +0800
From:   Zhangfei Gao <zhangfei.gao@...aro.org>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        jean-philippe <jean-philippe@...aro.org>,
        kenneth-lee-2012@...mail.com, Wangzhou <wangzhou1@...ilicon.com>,
        Bjorn Helgaas <helgaas@...nel.org>
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 0/3] PCI: Add a quirk to enable SVA for HiSilicon chip

Hi, Bjorn

On 2021/7/13 上午10:54, Zhangfei Gao wrote:
> HiSilicon KunPeng920 and KunPeng930 have devices appear as PCI but are
> actually on the AMBA bus. These fake PCI devices have PASID capability
> though not supporting TLP.
>
> Add a quirk to set pasid_no_tlp and dma-can-stall for these devices.
>
> v5:
> no change, base on 5.14-rc1

Would you mind take a look at this patchset.
We need the quirk to enable sva feature of devices on HiSilicon 
KunPeng920 and KunPeng930.

Thanks