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The current settings refer to "blsp_spi1" function which isn't defined. For this reason an attempt to enable blsp1_spi1 interface results in the probe failure below: [ 3.492900] qcs404-pinctrl 1000000.pinctrl: invalid function blsp_spi1 in map table [ 3.502460] qcs404-pinctrl 1000000.pinctrl: invalid function blsp_spi1 in map table [ 3.517725] qcs404-pinctrl 1000000.pinctrl: invalid function blsp_spi1 in map table [ 3.532998] qcs404-pinctrl 1000000.pinctrl: invalid function blsp_spi1 in map table [ 3.548277] spi_qup: probe of 78b6000.spi failed with error -22 Fix this by making the functions used in qcs404.dtsi to match the contents of drivers/pinctrl/qcom/pinctrl-qcs404.c. Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Link: https://lore.kernel.org/r/20220611195713.131597-1-andrey.konovalov@linaro.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.