Re: [PATCH v5 4/5] arm64: dts: qcom: ipq5332: Add PCIe related nodes
From: Varadarajan Narayanan
Date: Wed Jan 22 2025 - 00:06:20 EST
Manivannan,
[ . . . ]
> > > + phys = <&pcie1_phy>;
> > > + phy-names = "pciephy";
> > > +
> > > + interconnects = <&gcc MASTER_SNOC_PCIE3_2_M &gcc SLAVE_SNOC_PCIE3_2_M>,
> > > + <&gcc MASTER_ANOC_PCIE3_2_S &gcc SLAVE_ANOC_PCIE3_2_S>;
> > > + interconnect-names = "pcie-mem", "cpu-pcie";
> >
> > Can you check if the controller supports cache coherency? If so, you need to add
> > 'dma-coherent'.
>
> Ok.
Confirmed with h/w person. The controller doesn't support cache coherance.
Thanks
Varada