linux-kernel - [PATCH] ACPI: processor: Make ACPI_PROCESSOR_CSTATE depend on ACPI

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Date:   Mon, 16 Dec 2019 12:34:50 +0100
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Linux ACPI <linux-acpi@...r.kernel.org>
Cc:     Linux PM <linux-pm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Len Brown <len.brown@...el.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Len Brown <lenb@...nel.org>
Subject: [PATCH] ACPI: processor: Make ACPI_PROCESSOR_CSTATE depend on ACPI_PROCESSOR

From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

To avoid build errors when CONFIG_ACPI_PROCESSOR_CSTATE is set and
CONFIG_ACPI_PROCESSOR is not (that may appear in randconfig builds),
make the former depend on the latter.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---

The build issues addressed by this patch are exposed by the series adding ACPI
support to intel_idle:

https://lore.kernel.org/linux-pm/3950312.2WmFeOdZGY@kreacher/T/#t

so it has been added to the intel_idle+acpi branch (which has been rebased on
top of 5.5-rc2).

---
 drivers/acpi/Kconfig |    1 +
 1 file changed, 1 insertion(+)

Index: linux-pm/drivers/acpi/Kconfig
===================================================================
--- linux-pm.orig/drivers/acpi/Kconfig
+++ linux-pm/drivers/acpi/Kconfig
@@ -241,6 +241,7 @@ config ACPI_CPU_FREQ_PSS
 
 config ACPI_PROCESSOR_CSTATE
 	def_bool y
+	depends on ACPI_PROCESSOR
 	depends on IA64 || X86
 
 config ACPI_PROCESSOR_IDLE