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9f5bcfe933
Firmware files are versioned to prevent older driver instances to load unsupported firmware blobs. This is reflected with a fallback logic which attempts to load several firmware files. This however produced a lot of unnecessary warnings sometimes confusing users and leading them to rename firmware files making things even more confusing. Hence use request_firmware_direct() which does not produce extra warnings. This shouldn't really break anything because most modern systems don't rely on udev/hotplug helpers to load firmware files anymore. For example it was confirmed that LEDE does not user helper. This also fixes a 60 second delay per _each_ unexistent firmware/calibration file with distros which have CONFIG_FW_LOADER_USER_HELPER_FALLBACK enabled, RHEL being a notable example. Using ath10k with firmware-2.bin this might end up into a five minute delay in boot. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> [kvalo@qca.qualcomm.com: add more info to the commit log] Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.