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5 Commits

Author SHA1 Message Date
Andreas Färber 18cfd9429d ARM: owl: smp: Drop bogus holding pen 
The S500 SoC can start secondary CPUs without busy-looping for pen_release,
so simplify the SMP code compared to the LeMaker kernel tree.

Fixes: 172067e0bc ("ARM: owl: Implement CPU enable-method for S500")
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Cc: David Liu <liuwei@actions-semi.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2017-07-03 14:31:47 +02:00
Andreas Färber eb3827457a ARM: owl: Drop custom machine 
Rely on the fallback to "Generic DT based system".
This change is visible in /proc/cpuinfo.

Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2017-07-03 14:31:33 +02:00
Andreas Färber b6a0e18ca6 ARM: owl: smp: Implement SPS power-gating for CPU2 and CPU3 
Bring up the two remaining CPUs by calling into PM domain code.

Signed-off-by: Andreas Färber <afaerber@suse.de>
 2017-06-23 18:01:35 +02:00
Andreas Färber 172067e0bc ARM: owl: Implement CPU enable-method for S500 
Allow to bring up CPU1.

Based on LeMaker linux-actions tree.

Signed-off-by: Andreas Färber <afaerber@suse.de>
 2017-06-21 18:17:39 +02:00
Andreas Färber 6bb8536cba ARM: Prepare Actions Semi S500 
Add ARCH_ACTIONS and mach-actions/owl.c for "actions,s500".

Signed-off-by: Andreas Färber <afaerber@suse.de>
 2017-06-21 18:08:41 +02:00