Dear Maintainer, Recently, I met an issue that I would like to bring to your attention and seek your expertise on. When I compile the iwlwifi driver directly into the kernel by setting [CONFIG_IWLWIFI=y], I encounter an error message stating, "iwlwifi direct firmware load for iwlwifi-so-XXXX failed." However, the relevant firmware files are present in the /lib/firmware directory. Based on my observations, I suspect that when iwlwifi is compiled into the kernel, it attempts to load the firmware before the /lib/firmware directory mounted. Consequently, the firmware cannot be found. Once the filesystem is mounted, iwlwifi does not attempt to reload the firmware. To address this issue, I have considered two potential solutions: 1、Modify the Driver Code: Implement a mechanism, such as delayed_work, to give iwlwifi another chance to load the firmware after the filesystem has been mounted. This would involve adding additional logic to the driver to handle retries for firmware loading. 2、Modify the Kconfig: Change the configuration to allow iwlwifi to be compiled only as a module [CONFIG_IWLWIFI=m]. This way, the module can be loaded after the filesystem is fully mounted, ensuring that the firmware can be found and loaded successfully.
