Messages in this thread | | | Date | Tue, 6 Oct 2020 16:50:24 -0500 | From | Rob Herring <> | Subject | Re: [PATCH v4 5/5] PCI: qcom: Add support for configuring BDF to SID mapping for SM8250 |
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On Mon, Oct 05, 2020 at 03:01:52PM +0530, Manivannan Sadhasivam wrote: > For SM8250, we need to write the BDF to SID mapping in PCIe controller > register space for proper working. This is accomplished by extracting > the BDF and SID values from "iommu-map" property in DT and writing those > in the register address calculated from the hash value of BDF. In case > of collisions, the index of the next entry will also be written. > > For the sake of it, let's introduce a "config_sid" callback and do it > conditionally for SM8250. > > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> > --- > drivers/pci/controller/dwc/Kconfig | 1 + > drivers/pci/controller/dwc/pcie-qcom.c | 138 +++++++++++++++++++++++++ > 2 files changed, 139 insertions(+)
Reviewed-by: Rob Herring <robh@kernel.org>
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