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The Linux kernel configuration item CONFIG_NR_ONCHIP_DMA_CHANNELS
has multiple definitions:
arch/sh/drivers/dma/Kconfig
The configuration item CONFIG_NR_ONCHIP_DMA_CHANNELS:
( CONFIG_SH_DMA ) && ( CONFIG_CPU_SUBTYPE_SH7709 || CONFIG_CPU_SUBTYPE_SH7750 || \) && ( CONFIG_CPU_SUBTYPE_SH7750R || CONFIG_CPU_SUBTYPE_SH7751R || \) && ( CONFIG_CPU_SUBTYPE_SH7723 || CONFIG_CPU_SUBTYPE_SH7724 || \)
This allows you to specify the number of channels that the on-chip DMAC supports. This will be 4 for SH7709/SH7750/SH7750S/SH7751/SH7091, 8 for SH7750R/SH7751R/SH7760, and 12 for SH7723/SH7724/SH7780/SH7785. Default is 6.
arch/sh/drivers/dma/Kconfig
The configuration item CONFIG_NR_ONCHIP_DMA_CHANNELS:
( CONFIG_SH_DMA ) && ( CONFIG_CPU_SUBTYPE_SH7750R || CONFIG_CPU_SUBTYPE_SH7751R ) && ( CONFIG_CPU_SUBTYPE_SH7780 )
This allows you to specify the number of channels that the on-chip DMAC supports. This will be 4 for SH7750/SH7751 and 8 for the SH7750R/SH7751R.
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