[PATCH v2 3/3] PCI: set dma-can-stall for HiSilicon chip

2021-01-18 Thread Zhangfei Gao
HiSilicon KunPeng920 and KunPeng930 have devices appear as PCI but are actually on the AMBA bus. These fake PCI devices can support SVA via SMMU stall feature, by setting dma-can-stall for ACPI platforms. Signed-off-by: Zhangfei Gao Signed-off-by: Jean-Philippe Brucker Signed-off-by: Zhou Wang

Re: [PATCH v2 3/3] PCI: set dma-can-stall for HiSilicon chip

2021-03-07 Thread Krzysztof Wilczyński
Hi, [...] > Property dma-can-stall depends on patchset > https://lore.kernel.org/linux-iommu/20210108145217.2254447-1-jean-phili...@linaro.org/ [...] If you plan to post another version of this patch to include the above link into the commit message or reference to the commit itself, as Jean-Phil

Re: [PATCH v2 3/3] PCI: set dma-can-stall for HiSilicon chip

2021-03-08 Thread Zhangfei Gao
Hi, Krzysztof On 2021/3/8 上午1:54, Krzysztof Wilczyński wrote: Hi, [...] Property dma-can-stall depends on patchset https://lore.kernel.org/linux-iommu/20210108145217.2254447-1-jean-phili...@linaro.org/ [...] If you plan to post another version of this patch to include the above link into the

Re: [PATCH v2 3/3] PCI: set dma-can-stall for HiSilicon chip

2021-01-21 Thread Bjorn Helgaas
On Mon, Jan 18, 2021 at 04:58:36PM +0800, Zhangfei Gao wrote: > HiSilicon KunPeng920 and KunPeng930 have devices appear as PCI but are > actually on the AMBA bus. These fake PCI devices can support SVA via > SMMU stall feature, by setting dma-can-stall for ACPI platforms. > > Signed-off-by: Zhangf

Re: [PATCH v2 3/3] PCI: set dma-can-stall for HiSilicon chip

2021-01-21 Thread Bjorn Helgaas
On Thu, Jan 21, 2021 at 10:57:09AM -0600, Bjorn Helgaas wrote: > On Mon, Jan 18, 2021 at 04:58:36PM +0800, Zhangfei Gao wrote: > > HiSilicon KunPeng920 and KunPeng930 have devices appear as PCI but are > > actually on the AMBA bus. These fake PCI devices can support SVA via > > SMMU stall feature,