CONFIG_DMA_PAGE_OPS: Use DMAC for page copy/clear

General informations

The Linux kernel configuration item CONFIG_DMA_PAGE_OPS:

• prompt: Use DMAC for page copy/clear
• type: bool
• depends on: CONFIG_SH_DMA && CONFIG_BROKEN
• defined in arch/sh/drivers/dma/Kconfig
• found in Linux kernels: 2.6.2–2.6.22

Help text

Selecting this option will use a dual-address mode configured channel in the SH DMAC for copy_page()/clear_page(). Primarily a performance hack.

Hardware

LKDDb

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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