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[ Upstream commit868afbaca1] devm_acpi_dev_add_driver_gpios() returns -ENXIO if CONFIG_ACPI is disabled (e.g. on device tree platforms). In this case, nxp-nci will silently fail to probe. The other NFC drivers only log a debug message if devm_acpi_dev_add_driver_gpios() fails. Do the same in nxp-nci to fix this problem. Fixes:ad0acfd69a("NFC: nxp-nci: Get rid of code duplication in ->probe()") Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Stephan Gerhold <stephan@gerhold.net> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> 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.