From 327b06488250dc0b00375f84db018ae077886634 Mon Sep 17 00:00:00 2001 From: CodeChenL <43897062+CodeChenL@users.noreply.github.com> Date: Thu, 5 Sep 2024 19:08:00 +0800 Subject: [PATCH] Apply suggestions from code review Co-authored-by: ZHANG Yuntian --- arch/arm64/boot/dts/rockchip/overlays/rockchip-uart-dma.dts | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/overlays/rockchip-uart-dma.dts b/arch/arm64/boot/dts/rockchip/overlays/rockchip-uart-dma.dts index 3782f25a..c7dbeda0 100644 --- a/arch/arm64/boot/dts/rockchip/overlays/rockchip-uart-dma.dts +++ b/arch/arm64/boot/dts/rockchip/overlays/rockchip-uart-dma.dts @@ -3,10 +3,12 @@ / { metadata { - title = "Switch all UART TX to DMA mode"; + title = "Enable DMA transfer mode for all UARTs"; compatible = "rockchip,rk3566", "rockchip,rk3568", "rockchip,rk3588"; category = "misc"; - description = "Switch all UART TX to DMA mode"; + description = "Enable DMA transfer mode for all UARTs. +DMA mode can help alleviating the CPU load when the data rate is high. +It is not necessary to enable it at low data rate, as DMA requires additional resources to set up."; }; };