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As per coresight standards, PIDR2 register has the following format : [2-0] - JEP106_bits6to4 [3] - JEDEC, designer ID is specified by JEDEC. However some of the drivers only use mask of 0x3 for the PIDR2 leaving bits [3-2] unchecked, which could potentially match the component for a different device altogether. This patch fixes the mask and the corresponding id bits for the existing devices. Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.