[ Upstream commit 05e45887382c4c0f9522515759b34991aa17e69d ] The kernel test robot reports undefined reference after we report wakeup reason to mac80211. This is because CONFIG_PM is not defined in the testing configuration file. In fact, functions within wow.c are used if CONFIG_PM is defined, so use CONFIG_PM to decide whether we build this file or not. The reported messages are: hppa-linux-ld: drivers/net/wireless/realtek/rtw88/wow.o: in function `rtw_wow_show_wakeup_reason': >> (.text+0x6c4): undefined reference to `ieee80211_report_wowlan_wakeup' >> hppa-linux-ld: (.text+0x6e0): undefined reference to `ieee80211_report_wowlan_wakeup' Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20210728014335.8785-4-pkshih@realtek.com Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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