If CONFIG_IWLMVM=y, CONFIG_THERMAL=n, below error can be found: drivers/net/wireless/intel/iwlwifi/mvm/fw.o: In function `iwl_mvm_up': fw.c:(.text+0x2c26): undefined reference to `iwl_mvm_send_temp_report_ths_cmd' make: *** [vmlinux] Error 1 After commit 242d9c8b9a93 ("iwlwifi: mvm: use FW thermal monitoring regardless of CONFIG_THERMAL"), iwl_mvm_up() calls iwl_mvm_send_temp_report_ths_cmd(), but this function is under CONFIG_THERMAL, which is depended on CONFIG_THERMAL. Fixes: 242d9c8b9a93 ("iwlwifi: mvm: use FW thermal monitoring regardless of CONFIG_THERMAL") Signed-off-by: Mao Wenan <maowenan@xxxxxxxxxx> --- drivers/net/wireless/intel/iwlwifi/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/intel/iwlwifi/Kconfig b/drivers/net/wireless/intel/iwlwifi/Kconfig index 7dbc0d3..801aa0f 100644 --- a/drivers/net/wireless/intel/iwlwifi/Kconfig +++ b/drivers/net/wireless/intel/iwlwifi/Kconfig @@ -65,6 +65,7 @@ config IWLMVM tristate "Intel Wireless WiFi MVM Firmware support" select WANT_DEV_COREDUMP depends on MAC80211 + depends on THERMAL help This is the driver that supports the MVM firmware. The list of the devices that use this firmware is available here: -- 2.7.4