Archit Anand refactored the WLAN subsystem in the nxp-upstream/hal_nxp repository to introduce configurable logging, focusing on improving observability and maintainability within embedded systems firmware. He replaced raw PRINTF calls in the wlan.c file with macro-based logging using the wmlog.h utility, aligning the codebase with Zephyr logging conventions. This approach enabled log level-based suppression of debug output, reducing log noise and enhancing production troubleshooting. By removing redundant line endings and standardizing log formatting, Archit addressed maintainability concerns and resolved issue #100443. His work demonstrated strong proficiency in C programming and embedded firmware development, delivering a focused, maintainable feature.