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Masahiro Yamada
ca2d13ec6e
If sdhci-of-at91.c is compiled without CONFIG_HAVE_CLK, the line caps1 |= FIELD_PREP(SDHCI_CLOCK_MUL_MASK, clk_mul); ... emits "FIELD_PREP: value too large for the field" warning. The compiler seems to decide clk_mul is constant (unsigned int)-1, because clk_get_rate() returns 0 when CONFIG_HAVE_CLK is disabled. Add HAVE_CLK to the depenency since this driver does not work without the clock APIs anyway. Reported-by: Randy Dunlap <rdunlap@infradead.org> Suggested-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Link: https://lore.kernel.org/r/20200422153401.7913-1-yamada.masahiro@socionext.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
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.