Each CXL host bridge is represented by an ACPI0016 device. A generic port device handle that is an ACPI device is represented by a string of ACPI0016 device HID and UID. Create a device handle from the ACPI device and retrieve the access coordinates from the stored memory targets. The access coordinates are stored under the cxl_dport that is associated with the CXL host bridge. The access coordinates struct is dynamically allocated under cxl_dport in order for code later on to detect whether the data exists or not. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/170319623196.2212653.17916695743464172534.stgit@djiang5-mobl3 Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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.
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