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AMD Family 17h uses the KERNCZ SMBus controller. While its documentation is not publicly available, it is documented in the BIOS and Kernel Developer’s Guide for AMD Family 15h Models 60h-6Fh Processors. On this SMBus controller, the port select register is at PMx register 0x02, bit 4:3 (PMx00 register bit 20:19). Without this patch, the 4 SMBus channels on AMD Family 17h chips are mirrored and report the same chips on all channels. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Cc: stable@kernel.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.