Huacai Chen 29706d59ab cacheinfo: Keep the old value if of_property_read_u32 fails
commit 3a34c98632 upstream.

Commit 448a5a552f ("drivers: base: cacheinfo: use OF
property_read_u32 instead of get_property,read_number") makes cache
size and number_of_sets be 0 if DT doesn't provide there values. I
think this is unreasonable so make them keep the old values, which is
the same as old kernels.

Fixes: 448a5a552f ("drivers: base: cacheinfo: use OF property_read_u32 instead of get_property,read_number")
Cc: stable@vger.kernel.org
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-02-12 19:47:26 +01:00
2019-02-12 19:47:22 +01:00
2019-02-06 17:30:16 +01:00

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.
See Documentation/00-INDEX for a list of what is contained in each file.

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.
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