linux-kernel - [PATCH 2/3] MIPS: Select CONFIG_GENERIC_IDLE_POLL

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Message-Id: <20230521223124.21911-3-jiaxun.yang@flygoat.com>
Date:   Sun, 21 May 2023 23:31:23 +0100
From:   Jiaxun Yang <jiaxun.yang@...goat.com>
To:     linux-mips@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, tsbogend@...ha.franken.de,
        linux-doc@...r.kernel.org, corbet@....net,
        Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: [PATCH 2/3] MIPS: Select CONFIG_GENERIC_IDLE_POLL_SETUP

hlt,nohlt paramaters are useful when debugging cpuidle
related issues.

Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
---
 Documentation/admin-guide/kernel-parameters.txt | 4 ++--
 arch/mips/Kconfig                               | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 515cd1f88ea2..9c502d3aa0cd 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3694,8 +3694,8 @@
 
 	nohibernate	[HIBERNATION] Disable hibernation and resume.
 
-	nohlt		[ARM,ARM64,MICROBLAZE,SH] Forces the kernel to busy wait
-			in do_idle() and not use the arch_cpu_idle()
+	nohlt		[ARM,ARM64,MICROBLAZE,MIPS,SH] Forces the kernel to
+			busy wait in do_idle() and not use the arch_cpu_idle()
 			implementation; requires CONFIG_GENERIC_IDLE_POLL_SETUP
 			to be effective. This is useful on platforms where the
 			sleep(SH) or wfi(ARM,ARM64) instructions do not work
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 5f52bdecb4c9..e437bf43ecfc 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -45,6 +45,7 @@ config MIPS
 	select GENERIC_LIB_UCMPDI2
 	select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
 	select GENERIC_SMP_IDLE_THREAD
+	select GENERIC_IDLE_POLL_SETUP
 	select GENERIC_TIME_VSYSCALL
 	select GUP_GET_PXX_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
 	select HAS_IOPORT if !NO_IOPORT_MAP || ISA
-- 
2.39.2 (Apple Git-143)