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@@ -0,0 +1,30 @@
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+From: Arnd Bergmann <[email protected]>
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+Date: Tue, 24 Nov 2015 23:13:09 +0100
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+Subject: [PATCH] ARM: qcom: select ARM_CPU_SUSPEND for power management
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+
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+The qcom spm driver uses cpu_resume_arm(), which is not included
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+in the kernel in all configurations:
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+
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+drivers/built-in.o: In function `qcom_cpu_spc':
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+:(.text+0xbc022): undefined reference to `cpu_suspend'
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+drivers/built-in.o: In function `qcom_cpuidle_init':
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+:(.init.text+0x610c): undefined reference to `cpu_resume_arm'
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+
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+This adds a 'select' Kconfig statement to ensure it's always
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+enabled.
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+
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+Signed-off-by: Arnd Bergmann <[email protected]>
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+Reviewed-by: Stephen Boyd <[email protected]>
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+Signed-off-by: Andy Gross <[email protected]>
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+---
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+
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+--- a/drivers/soc/qcom/Kconfig
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++++ b/drivers/soc/qcom/Kconfig
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+@@ -13,6 +13,7 @@ config QCOM_GSBI
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+ config QCOM_PM
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+ bool "Qualcomm Power Management"
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+ depends on ARCH_QCOM && !ARM64
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++ select ARM_CPU_SUSPEND
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+ select QCOM_SCM
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+ help
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+ QCOM Platform specific power driver to manage cores and L2 low power
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Felix Fietkau