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request_firmware_into_buf() explicitly disables the firmware cache, meanwhile the firmware cache cannot be used when request_firmware_nowait() is used without the uevent. Enforce a sanity check for this to avoid future issues undocumented behaviours should misuses of the firmware cache happen later. One of the reasons we want to enforce this is the firmware cache is used for helping with suspend/resume, and if incompatible calls use it they can stall suspend. Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| firmware | ||
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| kernel | ||
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| README | ||
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.