Messages in this thread Patch in this message | | | Date | Mon, 19 Sep 2022 11:59:47 +0200 | From | Peter Zijlstra <> | Subject | [PATCH v2 08/44] cpuidle,imx6: Push RCU-idle into driver |
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Doing RCU-idle outside the driver, only to then temporarily enable it again, at least twice, before going idle is daft.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> --- arch/arm/mach-imx/cpuidle-imx6sx.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
--- a/arch/arm/mach-imx/cpuidle-imx6sx.c +++ b/arch/arm/mach-imx/cpuidle-imx6sx.c @@ -47,7 +47,9 @@ static int imx6sx_enter_wait(struct cpui cpu_pm_enter(); cpu_cluster_pm_enter(); + ct_idle_enter(); cpu_suspend(0, imx6sx_idle_finish); + ct_idle_exit(); cpu_cluster_pm_exit(); cpu_pm_exit(); @@ -87,7 +89,8 @@ static struct cpuidle_driver imx6sx_cpui */ .exit_latency = 300, .target_residency = 500, - .flags = CPUIDLE_FLAG_TIMER_STOP, + .flags = CPUIDLE_FLAG_TIMER_STOP | + CPUIDLE_FLAG_RCU_IDLE, .enter = imx6sx_enter_wait, .name = "LOW-POWER-IDLE", .desc = "ARM power off",
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