Monthly summary for 2026-03: Focused on robustness improvements and upstream contribution in the Zephyr project. The primary work item was implementing a DTS-based activation guard for the CRC hardware accelerator, ensuring the CRC_HW_HANDLER only activates when the required Device Tree (DTS) node is present. This guards against enabling in unsupported configurations and reduces misconfiguration risk across hardware variants. Key achievements during the month: - Implemented DTS node presence gating for CRC_HW_HANDLER, so activation occurs only when the necessary DTS node exists. - Upstream patch added: b0ed2b52093a5f19181b6b47021e1c18877f1e0c, making CRC_HW_HANDLER depend on the required DTS node, Improving robustness. - Resulted in improved system stability and reduced risk of unintended CRC hardware activation in configurations lacking the DTS node. - Demonstrated strong upstream contribution practices, including clear commit messaging and signed-off-by author: Hieu Vo. Technologies/skills demonstrated: - Device Tree (DTS) dependency management and gating logic - Kernel/hardware activation control and safety checks - Upstream collaboration and patch hygiene (sign-offs, concise messages) - Code review and integration discipline Overall impact and business value: - More robust deployments with CRC hardware accelerator, reducing field issues and support costs due to misconfigurations. - Safer enablement in upstream Zephyr, enabling broader hardware compatibility with CRC acceleration while maintaining configuration safety.