Marvell Ethernet PHYs can contain a temperature sensor, which the kernel
exports as an HWMON device. The PHY is on an MDIO bus. Add support for
this bus types to libsensors. The sensor is then displayed by sensors(1):
socaipsbus02100000ethernet02188000mdioswitch0mdio01-mdio-1
Adapter: MDIO adapter
temp1: +54.0°C (crit = +100.0°C)
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Sparse wants forward declarations of static functions to be static as
well. For sensors_eval_expr, do that. For the error callbacks,
rearrange the code so that the forward declarations are no longer
needed.
George Spelvin).
The lifetimes of the path and label name buffers are
disjoint, so a single buffer can be used for both purposes.
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There were multiple in-line calls that then fell through to
a common exit. Instead, set up a pointer to the original
strings, and have a single strdup in the common code.
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use it to retrieve a specific subfeature by type. While it is slighly
less efficient than looping over sensors_get_all_subfeatures(), it
often makes the application code much more elegant.
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chip in the detected chip list. It is more efficient to do it once
and for all than to do it over and over again in
sensors_lookup_feature_nr() and sensors_lookup_subfeature_nr() as
was done before.
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for faster main features lookup. One side effect of this change is
that subfeatures can no longer have labels nor be ignored. I do not
think that this is a problem in practice, and actually this makes a
lot of sense.
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get the list of all main features, and one to get the list of all the
subfeatures of a given main feature. This is a more logical interface for
applications to use. The current implementation is admittedly less than
optimal, because the storage structures weren't meant for it, but this
issue can (and will) be addressed later.
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standard sysfs interface. I don't think it makes much sense to
display the offset values as part of the output of "sensors" (it
would even probably confuse people) but having support for these
in libsensors makes it possible to adjust the offsets in
sensors.conf, which is convenient.
This closes ticket #2248.
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position N in the array. This allows for O(1) look-ups, as opposed
to O(N) before. This makes sensors_lookup_feature_nr() 2.4 times
faster in my real-world tests, resulting in a 6% performance boost
on average in the runtime part of "sensors".
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feature number as the logical mapping. This means that the compute
mapping can be turned into a simple boolean flag. Doing so makes
struct sensors_feature_data smaller, which saves some memory (about
17 kB in my tests.)
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caller select which subset of chips it wants. This is slightly better
size-wise than letting all applications do the filtering by themselves.
This will change the way the command line parameters of "sensors" are
interpreted. Beforehand, the chips were always returned in the order
in which they were listed by the library. Also, each chip could be listed
only once. From now on, the chips will be listed in the order in which
they are passed on the command line, which I think makes more sense. A
side effect is that chips can be listed more than once, if that's what
the user asks for. Not very useful though.
This change makes it possible to make sensors_match_chip() internal
to the library. Filtering the list of chips returned by
sensors_get_detected_chips() was the last known external use for this
function.
This patch looks much bigger than it really is, but the largest part is
really only code reindentation.
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SPI bus statements in the configuration file are not yet supported, as
SPI buses don't have a name attribute yet, it's not possible to identify
them and thus no substitution is possible.
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Andrew Lunn