Jarkko Nikula 23cdddb21f
spi: pxa2xx: Set minimum transfer speed
It is possible to request a transfer with a speed lower than supported
by the HW. This causes silent divider calculation underflow in
ssp_get_clk_div() which leads to a frequency higher than requested. Up to
maximum speed of the controller.

Set the minimum supported transfer speed and let the SPI core to
validate no transfers have speed lower than supported.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-07-02 12:48:26 +01:00
2019-06-08 13:12:54 -07:00
2019-06-08 12:52:42 -07:00
2019-06-08 12:50:36 -07:00
2019-06-08 12:52:42 -07:00
2019-06-08 12:52:42 -07:00
2019-06-08 12:52:42 -07:00
2019-06-08 12:52:42 -07:00
2019-06-08 12:52:42 -07:00
2019-06-08 12:52:42 -07:00
2019-03-10 17:48:21 -07:00
2019-06-10 18:52:53 +01:00
2019-06-08 20:24:46 -07:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
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Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
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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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