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/openbmc/linux/arch/arm/mach-socfpga/ |
H A D | core.h | d686ce42 Tue Oct 14 14:33:38 CDT 2014 Alan Tull <atull@opensource.altera.com> socfpga: hotplug: put cpu1 in wfi
Use WFI when putting CPU1 to sleep. Don't hold CPU1 in reset since that results in increased power consumption.
Reset CPU1 briefly during CPU1 bootup.
This has been tested for hotplug and suspend/resume and results in no increased power consumption.
Signed-off-by: Alan Tull <atull@opensource.altera.com> Acked-by: Pavel Machek <pavel@denx.de> Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> d686ce42 Tue Oct 14 14:33:38 CDT 2014 Alan Tull <atull@opensource.altera.com> socfpga: hotplug: put cpu1 in wfi Use WFI when putting CPU1 to sleep. Don't hold CPU1 in reset since that results in increased power consumption. Reset CPU1 briefly during CPU1 bootup. This has been tested for hotplug and suspend/resume and results in no increased power consumption. Signed-off-by: Alan Tull <atull@opensource.altera.com> Acked-by: Pavel Machek <pavel@denx.de> Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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H A D | platsmp.c | d686ce42 Tue Oct 14 14:33:38 CDT 2014 Alan Tull <atull@opensource.altera.com> socfpga: hotplug: put cpu1 in wfi
Use WFI when putting CPU1 to sleep. Don't hold CPU1 in reset since that results in increased power consumption.
Reset CPU1 briefly during CPU1 bootup.
This has been tested for hotplug and suspend/resume and results in no increased power consumption.
Signed-off-by: Alan Tull <atull@opensource.altera.com> Acked-by: Pavel Machek <pavel@denx.de> Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> d686ce42 Tue Oct 14 14:33:38 CDT 2014 Alan Tull <atull@opensource.altera.com> socfpga: hotplug: put cpu1 in wfi Use WFI when putting CPU1 to sleep. Don't hold CPU1 in reset since that results in increased power consumption. Reset CPU1 briefly during CPU1 bootup. This has been tested for hotplug and suspend/resume and results in no increased power consumption. Signed-off-by: Alan Tull <atull@opensource.altera.com> Acked-by: Pavel Machek <pavel@denx.de> Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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