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Devices with register paging or indirectly accessed registers can configure register mapping to map those on virtual address range. During access to virtually mapped register range, indirect addressing is processed automatically, in following steps: 1. selector for page or indirect register is updated (when needed); 2. register in data window is accessed. Configuration should provide minimum and maximum register for virtual range, details of selector field for page selection, minimum and maximum register of data window for indirect access. Virtual range registers are managed by cache as well as direct access registers. In order to make indirect access more efficient, selector register should be declared as non-volatile, if possible. struct regmap_config is extended with the following: struct regmap_range_cfg *ranges; unsigned int n_ranges; [Also reordered debugfs init to later on since the cleanup code was conflicting with the new cleanup code for ranges anyway -- broonie] Signed-off-by: Krystian Garbaciak <krystian.garbaciak@diasemi.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> |
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| .. | ||
| power | ||
| regmap | ||
| attribute_container.c | ||
| base.h | ||
| bus.c | ||
| class.c | ||
| core.c | ||
| cpu.c | ||
| dd.c | ||
| devres.c | ||
| devtmpfs.c | ||
| dma-buf.c | ||
| dma-coherent.c | ||
| dma-contiguous.c | ||
| dma-mapping.c | ||
| driver.c | ||
| firmware.c | ||
| firmware_class.c | ||
| hypervisor.c | ||
| init.c | ||
| isa.c | ||
| Kconfig | ||
| Makefile | ||
| map.c | ||
| memory.c | ||
| module.c | ||
| node.c | ||
| platform.c | ||
| soc.c | ||
| syscore.c | ||
| topology.c | ||
| transport_class.c | ||