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w1: add family based automatic module loading

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This patch allows the 1-wire bus to autoload the corresponding module
for each slave being attached.
This works similar to bluetooth protocols.

Signed-off-by: Alexander Stein <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Alexander Stein 2013-05-26 20:06:50 +02:00 • committed by Greg Kroah-Hartman
commit 8d7bda5188
13 changed files with 20 additions and 2 deletions
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4
Documentation/w1/w1.generic
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@ -25,8 +25,8 @@ When a w1 master driver registers with the w1 subsystem, the following occurs:
- sysfs entries for that w1 master are created
- the w1 bus is periodically searched for new slave devices
When a device is found on the bus, w1 core checks if driver for its family is
loaded. If so, the family driver is attached to the slave.
When a device is found on the bus, w1 core tries to load the driver for its family
and check if it is loaded. If so, the family driver is attached to the slave.
If there is no driver for the family, default one is assigned, which allows to perform
almost any kind of operations. Each logical operation is a transaction
in nature, which can contain several (two or one) low-level operations.