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A mirror of the official Linux kernel repository just in case
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For ls1021a, and armv8 chasis 2 socs, sata ecc must be disabled. If ecc register is not found in sata node in dts, report error. This is a chip erratum described as bellow: The Read DMA operations get early termination indication from the controller. This issue is observed as CRC error in the status registers. The issue is due to address collision at address 0 in the dual port memory. The read is a dummy read to flush out the header, but due to collision the controller logs the mbit error reported by the ECC check logic. This results in the early termination of the Read DMA operation by the controller. The issue happens to all the interface speeds(GEN1/2/3) for all the products. Workaround: Disable ECC feature on those platforms. Signed-off-by: Tang Yuantian <yuantian.tang@nxp.com> Signed-off-by: Tejun Heo <tj@kernel.org> |
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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.