regSDMA_RLC0_DOORBELL
for (reg = regSDMA_RLC0_RB_CNTL; reg <= regSDMA_RLC0_DOORBELL; reg++)
WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_DOORBELL, 0);
WREG32(sdma_rlc_reg_offset + regSDMA_RLC0_DOORBELL, data);