From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel.lezcano@linaro.org (Daniel Lezcano) Date: Sun, 28 Jul 2013 09:10:09 +0200 Subject: [PATCH] ARM: EXYNOS: cpuidle: Skip C1 cpuidle state for exynos5440 In-Reply-To: <0eaf01ce8863$89d3c4e0$9d7b4ea0$@org> References: <0e7d01ce8840$82f79070$88e6b150$@org> <1374659615-29447-1-git-send-email-amit.daniel@samsung.com> <0eaf01ce8863$89d3c4e0$9d7b4ea0$@org> Message-ID: <51F4C3D1.2060901@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 07/24/2013 01:47 PM, Kukjin Kim wrote: > Amit Daniel Kachhap wrote: >> >> This patch skips the deep C1(AFTR -Arm off top running) state for >> exynos5440 >> soc as this soc does not support this state. All the cpu's only allows the >> basic >> C0 state. >> >> Signed-off-by: Amit Daniel Kachhap >> --- >> arch/arm/mach-exynos/cpuidle.c | 2 +- >> 1 files changed, 1 insertions(+), 1 deletions(-) >> >> diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach- >> exynos/cpuidle.c >> index 17a18ff..9a776a1 100644 >> --- a/arch/arm/mach-exynos/cpuidle.c >> +++ b/arch/arm/mach-exynos/cpuidle.c >> @@ -210,7 +210,7 @@ static int __init exynos4_init_cpuidle(void) >> device->cpu = cpu_id; >> >> /* Support IDLE only */ >> - if (cpu_id != 0) >> + if (soc_is_exynos5440() || cpu_id != 0) >> device->state_count = 1; >> >> ret = cpuidle_register_device(device); >> -- >> 1.7.1 > > Applied, thanks. You shouldn't have. This patch means exynos5540 has no cpuidle driver at all. It should be fixed in the Kconfig to unselect CONFIG_CPU_IDLE for an exynos5540. -- Linaro.org ? Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog