From: Julian Braha Date: Tue, 31 Mar 2026 07:49:20 +0000 (+0100) Subject: cpuidle: clean up dead dependencies on CPU_IDLE in Kconfig X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9d3a068cc80c9ed374cb78ab8c861668c835a6bc;p=thirdparty%2Fkernel%2Flinux.git cpuidle: clean up dead dependencies on CPU_IDLE in Kconfig The Kconfig in the parent directory already has the first 'if CPU_IDLE' gating the inclusion of this Kconfig, meaning that the 'depends on CPUIDLE' statements in these config options are effectively dead code. Leave the 'if CPU_IDLE...endif' condition, and remove the individual 'depends on' statements in Kconfig.mips and Kconfig.powerpc This dead code was found by kconfirm, a static analysis tool for Kconfig. Signed-off-by: Julian Braha [ rjw: Subject and changelog edits ] Link: https://patch.msgid.link/20260331074920.41269-1-julianbraha@gmail.com Signed-off-by: Rafael J. Wysocki --- diff --git a/drivers/cpuidle/Kconfig b/drivers/cpuidle/Kconfig index cac5997dca505..d6d8386d3f02b 100644 --- a/drivers/cpuidle/Kconfig +++ b/drivers/cpuidle/Kconfig @@ -81,7 +81,7 @@ config HALTPOLL_CPUIDLE before halting in the guest (more efficient than polling in the host via halt_poll_ns for some scenarios). -endif +endif # CPU_IDLE config ARCH_NEEDS_CPU_IDLE_COUPLED def_bool n diff --git a/drivers/cpuidle/Kconfig.mips b/drivers/cpuidle/Kconfig.mips index c3c011af4a35f..88728b2b4ea0c 100644 --- a/drivers/cpuidle/Kconfig.mips +++ b/drivers/cpuidle/Kconfig.mips @@ -4,7 +4,7 @@ # config MIPS_CPS_CPUIDLE bool "CPU Idle driver for MIPS CPS platforms" - depends on CPU_IDLE && MIPS_CPS + depends on MIPS_CPS depends on SYS_SUPPORTS_MIPS_CPS select ARCH_NEEDS_CPU_IDLE_COUPLED if MIPS_MT || CPU_MIPSR6 select GENERIC_CLOCKEVENTS_BROADCAST if SMP diff --git a/drivers/cpuidle/Kconfig.powerpc b/drivers/cpuidle/Kconfig.powerpc index a797a02b7b6fe..1931ac8faffbe 100644 --- a/drivers/cpuidle/Kconfig.powerpc +++ b/drivers/cpuidle/Kconfig.powerpc @@ -4,7 +4,6 @@ # config PSERIES_CPUIDLE bool "Cpuidle driver for pSeries platforms" - depends on CPU_IDLE depends on PPC_PSERIES default y help @@ -13,7 +12,6 @@ config PSERIES_CPUIDLE config POWERNV_CPUIDLE bool "Cpuidle driver for powernv platforms" - depends on CPU_IDLE depends on PPC_POWERNV default y help