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Wysocki" , linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org List-Id: linux-imx-kernel.lists.patchwork.ozlabs.org Enable cpuidle support on i.MX6DL starting from IMX_CHIP_REVISION_1_1. This also makes the code cleaner because 6q and 6dl actually have different revision histories. Signed-off-by: Bai Ping Signed-off-by: Leonard Crestez Reviewed-by: Lucas Stach --- Changes since v1: https://www.spinics.net/lists/arm-kernel/msg610461.html * Clarified comment but kept > instead of >= because that's what the old code used. Would be OK to change with further feedback. arch/arm/mach-imx/mach-imx6q.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 45801b2..5707113 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -371,10 +371,13 @@ static struct platform_device imx6q_cpufreq_pdev = { static void __init imx6q_init_late(void) { /* - * WAIT mode is broken on TO 1.0 and 1.1, so there is no point - * to run cpuidle on them. + * WAIT mode is broken on imx6 Dual/Quad revision 1.0 and 1.1 so + * there is no point to run cpuidle on them. + * + * It does work on imx6 Solo/DualLite starting from 1.1 */ - if (imx_get_soc_revision() > IMX_CHIP_REVISION_1_1) + if ((cpu_is_imx6q() && imx_get_soc_revision() > IMX_CHIP_REVISION_1_1) || + (cpu_is_imx6dl() && imx_get_soc_revision() > IMX_CHIP_REVISION_1_0)) imx6q_cpuidle_init(); if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ)) {