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1. ppc_override_l2cr and ppc_override_l2cr_value are only used in l2cr_init() function, remove them and used *l2cr directly. 2. has_l2cache is not used outside of the file, so mark it static and do not initialise statics to 0. Fixes the following warnings: arch/powerpc/platforms/powermac/setup.c:73:5: warning: symbol 'ppc_override_l2cr' was not declared. Should it be static? arch/powerpc/platforms/powermac/setup.c:74:5: warning: symbol 'ppc_override_l2cr_value' was not declared. Should it be static? arch/powerpc/platforms/powermac/setup.c:75:5: warning: symbol 'has_l2cache' was not declared. Should it be static? Signed-off-by: Chen Lifu <chenlifu@huawei.com> Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> [mpe: Unwrap printk string] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20221103070122.340773-1-chenlifu@huawei.com
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.