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combo-phy register instances are at same offset from base for each combo-phy port, i.e. Port A base offset: 0x16200 Port B base offset: 0x6C000 All the other addresses for both ports can be derived by calculating offset to these base addresses. PORT_CL_DW_OFFSET 0x0 PORT_CL_DW<x> 0 + x * 4 PORT_COMP_OFFSET 0x100 PORT_COMP_DW<x> 0x100 + x * 4 PORT_PCS_AUX_OFFSET 0x300 PORT_PCS_GRP_OFFSET 0x600 PORT_PCS_LN<y>_OFFSET 0x800 + y * 0x100 PORT_TX_AUX_OFFSET 0x380 PORT_TX_GRP_OFFSET 0x680 PORT_TX_LN<y>_OFFSET 0x880 + y * 0x100 And inside each PORT_TX_[AUX|GRP|LN] we add `dw * 4`. Based on original patch by Mahesh Kumar <mahesh1.kumar@intel.com>. v2: make port, dw and ln arguments follow the order in register's name Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181016023517.8576-1-lucas.demarchi@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.
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.