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e2dfce24f4
It currently assumes that there are always four channels, it would cause the error if there is actually less than four channels. Change that by getting number of channel from device tree. For backwards-compatibility, it uses the default value (i.e. 4) when there is no 'dma-channels' information in dts. Signed-off-by: Zong Li <zong.li@sifive.com> Acked-by: Palmer Dabbelt <palmer@rivosinc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Link: https://lore.kernel.org/r/f08a95b6582a51712c5b2c3cb859136d07bfa8b9.1648461096.git.zong.li@sifive.com Signed-off-by: Vinod Koul <vkoul@kernel.org> |
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| sf-pdma.c | ||
| sf-pdma.h | ||