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From:   Qing Wang <wangqing@vivo.com>
To:     Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Cc:     vincent.guittot@linaro.org, peterz@infradead.org,
        wangqing <11112896@bbktel.com>
Subject: [PATCH] arm64: make SCHED_CLUSTER depend on ACPI
Date:   Fri, 15 Apr 2022 00:04:28 -0700
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From: wangqing <11112896@bbktel.com>

cls is made up of sd through cluster_sibling, which is set by cluster_id,
cluster_id is only provided by ACPI, DT just provide package_id.

So, SCHED_CLUSTER depends on ACPI actually.

Signed-off-by: wangqing <11112896@bbktel.com>
---
 arch/arm64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 25b33feed800..edbe035cb0e3 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1199,6 +1199,7 @@ config SCHED_MC
 
 config SCHED_CLUSTER
 	bool "Cluster scheduler support"
+	depends on ACPI
 	help
 	  Cluster scheduler support improves the CPU scheduler's decision
 	  making when dealing with machines that have clusters of CPUs.
-- 
2.27.0.windows.1