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i2c: Kill i2c_adapter.class_dev

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Kill i2c_adapter.class_dev. Instead, set the class of i2c_adapter.dev
to i2c_adapter_class, so that a symlink will be created for every
i2c_adapter in /sys/class/i2c-adapter.

The same change must be mirrored to i2c-isa as it duplicates some
of the i2c-core functionalities.

User-space tools and libraries might need some adjustments. In
particular, libsensors from lm_sensors 2.10.3 or later is required for
proper discovery of i2c adapter names after this change.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Jean Delvare
2007-05-01 23:26:27 +02:00
committed by Jean Delvare
parent dc87c3985e
commit fccb56e4d8
4 changed files with 5 additions and 64 deletions
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Documentation/feature-removal-schedule.txt
+3 -11
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@@ -190,18 +190,10 @@ Who: Jean Delvare <khali@linux-fr.org>
---------------------------
What: i2c_adapter.dev
i2c_adapter.list
What: i2c_adapter.list
When: July 2007
Why: Superfluous, given i2c_adapter.class_dev:
* The "dev" was a stand-in for the physical device node that legacy
drivers would not have; but now it's almost always present. Any
remaining legacy drivers must upgrade (they now trigger warnings).
* The "list" duplicates class device children.
The delay in removing this is so upgraded lm_sensors and libsensors
can get deployed. (Removal causes minor changes in the sysfs layout,
notably the location of the adapter type name and parenting the i2c
client hardware directly from their controller.)
Why: Superfluous, this list duplicates the one maintained by the driver
core.
Who: Jean Delvare <khali@linux-fr.org>,
David Brownell <dbrownell@users.sourceforge.net>