ARM: export arm_pm_restart
The OLPC XO 1.75 laptop is rebooted with a command to the Embedded
Controller. The EC driver should be a module, since most people don't need
it to be compiled in.
The EC driver can't use register_restart_handler() because handlers
registered with it are executed in atomic context and the XO 1.75 reboot
dance needs to block: the reboot is initiated by poking a GPIO ofter
which we need to wait for the EC to initiate a SPI transfer and finish
it.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
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Changes since v4:
- Clarify why we need this
1 file changed
