Sammit Joshi focused on stability improvements for the zephyrproject-rtos/trusted-firmware-a repository, addressing a critical boot-time issue affecting Neoverse platforms. He resolved an assertion failure in SMMU routines by moving timer initialization earlier in the boot process, ensuring proper dependency ordering and preventing startup crashes. Working primarily in C, Sammit applied his expertise in embedded systems and firmware development to enhance platform reliability. His approach involved careful analysis of boot sequence dependencies and precise code changes, resulting in a more robust initialization flow. The work demonstrated depth in platform setup and contributed to improved stability for Neoverse deployments in production environments.