Warnings before patch:
files: ['drivers/net/wireless/ath/ath9k/hw.c', 'drivers/net/wireless/ath/ath9k/mac.c', 'drivers/net/wireless/ath/ath9k/mac.h']
Warning: drivers/net/wireless/ath/ath9k/hw.c:2407 No description found for return value of 'ath9k_hw_dfs_tested'
Warning: drivers/net/wireless/ath/ath9k/mac.c:105 No description found for return value of 'ath9k_hw_updatetxtriglevel'
Warning: drivers/net/wireless/ath/ath9k/hw.c:2407 No description found for return value of 'ath9k_hw_dfs_tested'
Warning: drivers/net/wireless/ath/ath9k/mac.c:105 No description found for return value of 'ath9k_hw_updatetxtriglevel'

Current warnings:
files: ['drivers/net/wireless/ath/ath9k/hw.c', 'drivers/net/wireless/ath/ath9k/mac.c', 'drivers/net/wireless/ath/ath9k/mac.h']
Warning: drivers/net/wireless/ath/ath9k/hw.c:2406 No description found for return value of 'ath9k_hw_dfs_tested'
Warning: drivers/net/wireless/ath/ath9k/mac.c:143 No description found for return value of 'ath9k_hw_updatetxtriglevel'
Warning: drivers/net/wireless/ath/ath9k/hw.c:2406 No description found for return value of 'ath9k_hw_dfs_tested'
Warning: drivers/net/wireless/ath/ath9k/mac.c:143 No description found for return value of 'ath9k_hw_updatetxtriglevel'

Warnings before: 4 after: 4