The Linux DMA API: Coherent and Streaming Mappings Explained
The Linux DMA API exists because the address a device uses is not the address the CPU uses, and because on most embedded SoCs the CPU cache is not k…
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Devres: How Managed Device Resources Work in the Linux Kernel
Devres is the kernel's mechanism for managed device resources: every devm_* allocation is recorded on a per-device list, and the driver core release…