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Add IO memory emulation that uses callbacks for read/write to the allocated regions. The callbacks can be registered by the users using logic_iomem_alloc(). To use, an architecture must 'select LOGIC_IOMEM' in Kconfig and then include <asm-generic/logic_io.h> into asm/io.h to get the __raw_read*/__raw_write* functions. Optionally, an architecture may 'select LOGIC_IOMEM_FALLBACK' in which case non-emulated regions will 'fall back' to the various real_* functions that must then be provided. Cc: Arnd Bergmann <arnd@kernel.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Richard Weinberger <richard@nod.at> |
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| acpi | ||
| asm-generic | ||
| clocksource | ||
| crypto | ||
| drm | ||
| dt-bindings | ||
| keys | ||
| kunit | ||
| kvm | ||
| linux | ||
| math-emu | ||
| media | ||
| memory | ||
| misc | ||
| net | ||
| pcmcia | ||
| ras | ||
| rdma | ||
| scsi | ||
| soc | ||
| sound | ||
| target | ||
| trace | ||
| uapi | ||
| vdso | ||
| video | ||
| xen | ||