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systemd/rules/80-drivers.rules
Kay Sievers bf7f800f2b rules: drivers - always call kmod, even when a driver is bound to the device
On Sat, Jul 20, 2013 at 12:56 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> After a recent change present in 3.11-rc1 there is a driver, called processor,
> that can be bound to the CPU devices whose sysfs directories are located under
> /sys/devices/system/cpu/.  A side effect of this is that, after the driver has
> been bound to those devices, the kernel adds DRIVER=processor to ENV for CPU
> uevents and they don't match the default rule for autoloading modules matching
> MODALIAS:
>
> DRIVER!="?*", ENV{MODALIAS}=="?*", IMPORT{builtin}="kmod load $env{MODALIAS}"
>
> any more.  However, there are some modules whose module aliases match specific
> CPU features through the modalias string and those modules should be loaded
> automatically if a compatible CPU is present.  Yet, with the processor driver
> bound to the CPU devices the above rule is not sufficient for that, so we need
> a new default udev rule allowing those modules to be autoloaded even if the
> CPU devices have drivers.
2013-07-20 14:31:53 +02:00

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# do not edit this file, it will be overwritten on update
ACTION=="remove", GOTO="drivers_end"
ENV{MODALIAS}=="?*", RUN{builtin}="kmod load $env{MODALIAS}"
SUBSYSTEM=="tifm", ENV{TIFM_CARD_TYPE}=="SD", RUN{builtin}="kmod load tifm_sd"
SUBSYSTEM=="tifm", ENV{TIFM_CARD_TYPE}=="MS", RUN{builtin}="kmod load tifm_ms"
SUBSYSTEM=="memstick", RUN{builtin}="kmod load ms_block mspro_block"
SUBSYSTEM=="i2o", RUN{builtin}="kmod load i2o_block"
SUBSYSTEM=="module", KERNEL=="parport_pc", RUN{builtin}="kmod load ppdev"
KERNEL=="mtd*ro", ENV{MTD_FTL}=="smartmedia", RUN{builtin}="kmod load sm_ftl"
LABEL="drivers_end"