relaxed writel readl writel_relaxed
Linux memory读写约束readl、readl_relaxed、writel、writel_relaxed区别
# 内存类型和属性 | ARM Memory types and attributes ```mermaid flowchart LR 1(Arm Memory Type) --> 2(Normal Memory) 1 --> 3(Device Memory) 2 --> 4(Shareable) ......