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This patch simply defines a helper function to test the 'Data Ready' flag of the Status Register. It also gives a chance for the crypto request to be processed synchronously if this 'Data Ready' flag is already set when polling the Status Register. Indeed, running synchronously avoid the latency of the 'Data Ready' interrupt. When the 'Data Ready' flag has not been set yet, we enable the associated interrupt and resume processing the crypto request asynchronously from the 'done' task just as before. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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.