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commit7218838109upstream. I mistakenly added the select attributes to the SPI_DW_BT1_DIRMAP config instead of having them defined in SPI_DW_BT1. If the kernel doesn't have the MULTIPLEXER and MUX_MMIO configs manually enabled and the SPI_DW_BT1_DIRMAP config hasn't been selected, Baikal-T1 SPI device will always fail to be probed by the driver. Fix that and the error reported by the test robot: >> ld.lld: error: undefined symbol: devm_mux_control_get >>> referenced by spi-dw-bt1.c >>> spi/spi-dw-bt1.o:(dw_spi_bt1_sys_init) in archive drivers/built-in.a by moving the MULTIPLEXER/MUX_MMIO configs selection to the SPI_DW_BT1 config. Link: https://lore.kernel.org/lkml/202011161745.uYRlekse-lkp@intel.com/ Link: https://lore.kernel.org/linux-spi/20201116040721.8001-1-rdunlap@infradead.org/ Fixes:abf0090753("spi: dw: Add Baikal-T1 SPI Controller glue driver") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Ramil Zaripov <Ramil.Zaripov@baikalelectronics.ru> Link: https://lore.kernel.org/r/20201127144612.4204-1-Sergey.Semin@baikalelectronics.ru Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.