STM32_MDMA_CTCR_DSIZE_MASK
#define STM32_MDMA_CTCR_DSIZE(n) FIELD_PREP(STM32_MDMA_CTCR_DSIZE_MASK, (n))
ctcr &= ~STM32_MDMA_CTCR_DSIZE_MASK;
ctcr &= ~(STM32_MDMA_CTCR_DSIZE_MASK |
STM32_MDMA_CTCR_SINCOS_MASK | STM32_MDMA_CTCR_DSIZE_MASK |