cd595b99af
This patch fixes an issue where a SPI transaction has completed, but the done condition is missed. This occurs because at the time of interrupt the MAX_INPUT_DONE_FLAG is not asserted. However, in the process of reading blocks of data from the FIFO, the last portion of data comes in. The opflags read at the beginning of the irq handler no longer matches the current opflag state. To get around this condition, the block read function should update the opflags so that done detection is correct after the return. Signed-off-by: Andy Gross <agross@codeaurora.org> Signed-off-by: Abhishek Sahu <absahu@codeaurora.org> Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org> Signed-off-by: Mark Brown <broonie@kernel.org> |
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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.