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After commit 1e69598325 ("spi: dw: Add basic runtime PM support")
there is following warning from PCI enumerated DesignWare SPI controller
during probe:
dw_spi_pci 0000:00:13.0: Unbalanced pm_runtime_enable!
Runtime PM is already enabled for PCI devices by the PCI core and doing
it again in common DW SPI code leads to unbalanced enable calls.
Fix this by moving the runtime PM enable/disable calls to the platform
driver part of the driver.
Cc: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20191018132131.31608-1-jarkko.nikula@linux.intel.com
Signed-off-by: Mark Brown <broonie@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.