Contributed to the geerlingguy/linux repository by enhancing the HNS3 network driver’s debugfs interface, refactoring MAC address list handling to use the seq_file API for improved efficiency and maintainability. Consolidated debugfs node management and removed obsolete code, streamlining future development. Addressed a bug in the PTP initialization path by ensuring interrupts are properly disabled and relevant flags cleared on failure, preventing erroneous interrupt reports on subsequent probes. These changes improved reliability and maintainability of the driver. Work demonstrated proficiency in C, Linux kernel development, and device driver patterns, with a focus on robust debugging and interrupt management within network drivers.