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With commitbc49d1d17d("usb: gadget: don't couple configfs to legacy gadgets"),it is possible to build a modular kernel with both built-in configfs support and modular legacy gadget drivers. But when building a kernel without modules, it is also necessary to be able to build with configfs but without any legacy gadget driver. This was a possible configuration when the USB_CONFIGFS was a part of the choice options, but not anymore. Mark the choice for legacy gadget drivers as optional restores this. Fixes:bc49d1d17d("usb: gadget: don't couple configfs to legacy gadgets") Cc: <stable@vger.kernel.org> # 4.9+ Signed-off-by: Romain Izard <romain.izard.pro@gmail.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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.