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Message-Id: <20210321201818.15271-1-fazilyildiran@gmail.com>
Date: Sun, 21 Mar 2021 23:18:19 +0300
From: Necip Fazil Yildiran <fazilyildiran@...il.com>
To: rjw@...ysocki.net
Cc: rui.zhang@...el.com, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org, paul@...zz.com, jeho@...utexas.edu,
julianbraha@...il.com,
Necip Fazil Yildiran <fazilyildiran@...il.com>
Subject: [PATCH] PM: Kconfig: fix unmet dependency for PM_SLEEP_SMP
When PM_SLEEP_SMP is enabled and HOTPLUG_CPU is disabled, it results in the
following Kbuild warning:
WARNING: unmet direct dependencies detected for HOTPLUG_CPU
Depends on [n]: SMP [=y] && (PPC_PSERIES [=n] || PPC_PMAC [=n] || PPC_POWERNV [=n] || FSL_SOC_BOOKE [=n])
Selected by [y]:
- PM_SLEEP_SMP [=y] && SMP [=y] && (ARCH_SUSPEND_POSSIBLE [=n] || ARCH_HIBERNATION_POSSIBLE [=y]) && PM_SLEEP [=y]
The reason is that PM_SLEEP_SMP selects HOTPLUG_CPU without depending on or
selecting HOTPLUG_CPU's dependencies.
Let PM_SLEEP_SMP depend on HOTPLUG_CPU instead to avoid Kbuild issues.
Signed-off-by: Necip Fazil Yildiran <fazilyildiran@...il.com>
---
kernel/power/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index 6bfe3ead10ad..8b53c9b61347 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -125,7 +125,7 @@ config PM_SLEEP_SMP
depends on SMP
depends on ARCH_SUSPEND_POSSIBLE || ARCH_HIBERNATION_POSSIBLE
depends on PM_SLEEP
- select HOTPLUG_CPU
+ depends on HOTPLUG_CPU
config PM_SLEEP_SMP_NONZERO_CPU
def_bool y
--
2.25.1
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