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Marek Szyprowski 0eb875d88a thermal: exynos: Reading temperature makes sense only when TMU is turned on
When thermal sensor is not yet enabled, reading temperature might return
random value. This might even result in stopping system booting when such
temperature is higher than the critical value. Fix this by checking if TMU
has been actually enabled before reading the temperature.

This change fixes booting of Exynos4210-based board with TMU enabled (for
example Samsung Trats board), which was broken since v4.4 kernel release.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fixes: 9e4249b403 ("thermal: exynos: Fix first temperature read after registering sensor")
CC: stable@vger.kernel.org # v4.6+
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2018-05-06 13:45:12 -07:00
arch KVM fixes for v4.17-rc4 2018-05-06 05:46:29 -10:00
block
certs
crypto
Documentation thermal: imx: add i.MX7 thermal sensor support 2018-05-06 13:45:11 -07:00
drivers thermal: exynos: Reading temperature makes sense only when TMU is turned on 2018-05-06 13:45:12 -07:00
firmware
fs
include KVM fixes for v4.17-rc4 2018-05-06 05:46:29 -10:00
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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.