During May 2025, this developer enhanced the apache/nuttx repository by implementing a DMA-based receive setup for SDIO interfaces, focusing on improving data transfer efficiency in embedded systems. The solution conditionally utilized SDIO_DMARECVSETUP when DMA support was enabled, while maintaining compatibility with non-DMA configurations. This approach leveraged their expertise in DMA, device drivers, and embedded systems, and was developed using C. The work addressed the need for higher throughput in SDIO data transfers without sacrificing flexibility, and included clear commit references for traceability. Over the month, the developer delivered one feature, demonstrating depth in low-level driver optimization.