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Older firmware version sets BIT(13) in clkflag to mark a divider as fractional divider. Updated firmware version sets BIT(4) in type flags to mark a divider as fractional divider since BIT(13) is defined as CLK_DUTY_CYCLE_PARENT in the common clk framework flags. To support both old and new firmware version, consider BIT(13) from clkflag and BIT(4) from type_flag to check if divider is fractional or not. To maintain compatibility BIT(13) of clkflag in firmware will not be used in future for any purpose and will be marked as unused. Signed-off-by: Tejas Patel <tejas.patel@xilinx.com> Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Signed-off-by: Jolly Shah <jolly.shah@xilinx.com> Link: https://lkml.kernel.org/r/1584048699-24186-3-git-send-email-jolly.shah@xilinx.com Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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.