STM32_DMA_MAX_CHANNELS
if (cfg.channel_id >= STM32_DMA_MAX_CHANNELS ||
for (i = 0; i < STM32_DMA_MAX_CHANNELS; i++) {
for (i = 0; i < STM32_DMA_MAX_CHANNELS; i++) {
for (id = 0; id < STM32_DMA_MAX_CHANNELS; id++) {
struct stm32_dma_chan chan[STM32_DMA_MAX_CHANNELS];