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[3/3] arm64: dts: mt8183: use restricted swiotlb for scp mem

Message ID 20211123112104.3530135-4-hsinyi@chromium.org (mailing list archive)
State New, archived
Headers show
Series Allow restricted-dma-pool to customize IO_TLB_SEGSIZE | expand

Commit Message

Hsin-Yi Wang Nov. 23, 2021, 11:21 a.m. UTC 
Use restricted-dma-pool for mtk_scp's reserved memory. And set the
io-tlb-segsize to 4096 since the driver needs at least 2560 slabs to
allocate memory.

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
---
 arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index 94c13c45919445..de94b2fd7f33e7 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -109,9 +109,9 @@  reserved_memory: reserved-memory {
 		ranges;
 
 		scp_mem_reserved: scp_mem_region {
-			compatible = "shared-dma-pool";
+			compatible = "restricted-dma-pool";
 			reg = <0 0x50000000 0 0x2900000>;
-			no-map;
+			io-tlb-segsize = <4096>;
 		};
 	};