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When probing the Component Registers in function cxl_probe_regs() there are also checks for the existence of the HDM and RAS capabilities. The checks may fail for components that do not implement the HDM capability causing the Component Registers setup to fail too. Remove the checks for a generalized use of cxl_probe_regs() and check them directly before mapping the RAS or HDM capabilities. This allows it to setup other Component Registers esp. of an RCH Downstream Port, which will be implemented in a follow-on patch. Signed-off-by: Robert Richter <rrichter@amd.com> Signed-off-by: Terry Bowman <terry.bowman@amd.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/20230622205523.85375-12-terry.bowman@amd.com Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.