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Ulf Hansson 46729b2770 PM / Domains: Deal with multiple states but no governor in genpd 
[ Upstream commit 2c9b7f8772 ]

A caller of pm_genpd_init() that provides some states for the genpd via the
->states pointer in the struct generic_pm_domain, should also provide a
governor. This because it's the job of the governor to pick a state that
satisfies the constraints.

Therefore, let's print a warning to inform the user about such bogus
configuration and avoid to bail out, by instead picking the shallowest
state before genpd invokes the ->power_off() callback.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-12-01 09:16:35 +01:00
..
firmware_loader firmware: improve LSM/IMA security behaviour 2019-07-21 09:03:03 +02:00
power PM / Domains: Deal with multiple states but no governor in genpd 2019-12-01 09:16:35 +01:00
regmap soundwire: fix regmap dependencies and align with other serial links 2019-10-07 18:57:27 +02:00
test driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
arch_topology.c Revert "base: arch_topology: fix section mismatch build warnings" 2018-03-15 14:36:20 +01:00
attribute_container.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
base.h driver core: Establish order of operations for device_add and device_del via bitflag 2019-08-09 17:52:28 +02:00
bus.c kobject: return error code if writing /sys/.../uevent fails 2019-02-12 19:47:06 +01:00
cacheinfo.c drivers: base: cacheinfo: Ensure cpu hotplug work is done before Intel RDT 2019-07-21 09:03:03 +02:00
class.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
component.c component: fix loop condition to call unbind() if bind() fails 2019-11-20 18:46:47 +01:00
container.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
core.c cpufreq: Avoid cpufreq_suspend() deadlock on system shutdown 2019-10-29 09:20:08 +01:00
cpu.c x86/bugs: Add ITLB_MULTIHIT bug infrastructure 2019-11-12 19:21:36 +01:00
dd.c driver core: Establish order of operations for device_add and device_del via bitflag 2019-08-09 17:52:28 +02:00
devcon.c drivers: base: Unified device connection lookup 2018-03-22 13:10:29 +01:00
devcoredump.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
devres.c devres: Align data[] to ARCH_KMALLOC_MINALIGN 2019-02-12 19:46:56 +01:00
devtmpfs.c kernel: add ksys_unshare() helper; remove in-kernel calls to sys_unshare() 2018-04-02 20:16:06 +02:00
driver.c driver-core: return EINVAL error instead of BUG_ON() 2018-05-25 18:18:45 +02:00
firmware.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
hypervisor.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
init.c base: fix order of OF initialization 2018-07-07 17:54:29 +02:00
isa.c Merge 4.15-rc3 into driver-core-next 2017-12-11 08:50:05 +01:00
Kconfig firmware_loader: move kconfig FW_LOADER entries to its own file 2018-05-14 16:43:10 +02:00
Makefile dma-mapping: move all DMA mapping code to kernel/dma 2018-06-14 08:50:37 +02:00
map.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
memory.c drivers/base/memory.c: don't access uninitialized memmaps in soft_offline_page_store() 2019-10-29 09:19:55 +01:00
module.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
node.c mm: hide incomplete nr_indirectly_reclaimable in sysfs 2019-04-20 09:16:05 +02:00
pinctrl.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
platform-msi.c platform-msi: Free descriptors in platform_msi_domain_free() 2019-01-09 17:38:42 +01:00
platform.c Power management updates for 4.18-rc1 2018-06-05 09:38:39 -07:00
property.c device property: Get rid of union aliasing 2018-05-17 12:47:21 +02:00
soc.c base: soc: Export soc_device_register/unregister APIs 2019-10-05 13:09:37 +02:00
syscore.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
topology.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00
transport_class.c driver core: Remove redundant license text 2017-12-07 18:36:44 +01:00