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The crypto dependencies for the firmwware loader are incomplete,
in particular a built-in FW_LOADER fails to link against a modular
crypto hash driver:
ld.lld: error: undefined symbol: crypto_alloc_shash
ld.lld: error: undefined symbol: crypto_shash_digest
ld.lld: error: undefined symbol: crypto_destroy_tfm
>>> referenced by main.c
>>> drivers/base/firmware_loader/main.o:(fw_log_firmware_info) in archive vmlinux.a
Rework this to use the usual 'select' from the driver module,
to respect the built-in vs module dependencies, and add a
more verbose crypto dependency to the debug option to prevent
configurations that lead to a link failure.
Fixes: 02fe26f253 ("firmware_loader: Add debug message with checksum for FW file")
Reviewed-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20230414080329.76176-1-arnd@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.