Both empirically and based on the existing documentation, it looks like
SCIF2 does not support DMA. Let's disable it. Full reasoning is given in
commit ("Revert "arm64: dts: renesas: r8a7796: Enable DMA for SCIF2"").
Fixes: eb21089c32054e ("arm64: dts: renesas: r8a7795: Add missing SYS-DMAC2 dmas")
Fixes: 49af46b4095672 ("arm64: renesas: r8a7795: Add all SCIF nodes")
Signed-off-by: Eugeniu Rosca <erosca@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/renesas/r8a7795.dtsi | 3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index abeac3059383..7704bd46afdf 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -1323,9 +1323,6 @@
<&cpg CPG_CORE R8A7795_CLK_S3D1>,
<&scif_clk>;
clock-names = "fck", "brg_int", "scif_clk";
- dmas = <&dmac1 0x13>, <&dmac1 0x12>,
- <&dmac2 0x13>, <&dmac2 0x12>;
- dma-names = "tx", "rx", "tx", "rx";
power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
resets = <&cpg 310>;
status = "disabled";
--
2.21.0
