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authorzhangyi (F) <yi.zhang@huawei.com>2018-08-14 10:34:42 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-08-15 00:07:08 +0200
commit3df6f61fff49632492490fb6e42646b803a9958a (patch)
treea9b1ebf2183feb6062787778e6fcea0b82cf9341 /kernel/power
parentb018fc9800557bd14a40d69501e19c340eb2c521 (diff)
PM / sleep: wakeup: Fix build error caused by missing SRCU support
Commit ea0212f40c6 (power: auto select CONFIG_SRCU) made the code in drivers/base/power/wakeup.c use SRCU instead of RCU, but it forgot to select CONFIG_SRCU in Kconfig, which leads to the following build error if CONFIG_SRCU is not selected somewhere else: drivers/built-in.o: In function `wakeup_source_remove': (.text+0x3c6fc): undefined reference to `synchronize_srcu' drivers/built-in.o: In function `pm_print_active_wakeup_sources': (.text+0x3c7a8): undefined reference to `__srcu_read_lock' drivers/built-in.o: In function `pm_print_active_wakeup_sources': (.text+0x3c84c): undefined reference to `__srcu_read_unlock' drivers/built-in.o: In function `device_wakeup_arm_wake_irqs': (.text+0x3d1d8): undefined reference to `__srcu_read_lock' drivers/built-in.o: In function `device_wakeup_arm_wake_irqs': (.text+0x3d228): undefined reference to `__srcu_read_unlock' drivers/built-in.o: In function `device_wakeup_disarm_wake_irqs': (.text+0x3d24c): undefined reference to `__srcu_read_lock' drivers/built-in.o: In function `device_wakeup_disarm_wake_irqs': (.text+0x3d29c): undefined reference to `__srcu_read_unlock' drivers/built-in.o:(.data+0x4158): undefined reference to `process_srcu' Fix this error by selecting CONFIG_SRCU when PM_SLEEP is enabled. Fixes: ea0212f40c6 (power: auto select CONFIG_SRCU) Cc: 4.2+ <stable@vger.kernel.org> # 4.2+ Signed-off-by: zhangyi (F) <yi.zhang@huawei.com> [ rjw: Minor subject/changelog fixups ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'kernel/power')
-rw-r--r--kernel/power/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index e880ca22c5a5..3a6c2f87699e 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -105,6 +105,7 @@ config PM_SLEEP
def_bool y
depends on SUSPEND || HIBERNATE_CALLBACKS
select PM
+ select SRCU
config PM_SLEEP_SMP
def_bool y