From 0c515e4972c7367d6cb1b75c305117cfc2310f1d Mon Sep 17 00:00:00 2001 From: Bai Ping Date: Mon, 17 Dec 2018 16:10:37 +0800 Subject: [PATCH] MLK-20602 imx8mq: Change clock source of GIC Change the the GIC clock source to sys_pll2_200m. Improve the IRQ response latency. Signed-off-by: Bai Ping (cherry picked from commit f4c76d52da9c272b275adf26145d033099cd1974) --- arch/arm/mach-imx/imx8m/clock_imx8mq.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/mach-imx/imx8m/clock_imx8mq.c b/arch/arm/mach-imx/imx8m/clock_imx8mq.c index 9d65e62..33a4d51 100644 --- a/arch/arm/mach-imx/imx8m/clock_imx8mq.c +++ b/arch/arm/mach-imx/imx8m/clock_imx8mq.c @@ -829,6 +829,11 @@ int clock_init(void) clock_enable(CCGR_TSENSOR, 1); clock_enable(CCGR_OCOTP, 1); + /* config GIC to sys_pll2_200m */ + clock_enable(CCGR_GIC, 0); + clock_set_target_val(GIC_CLK_ROOT, CLK_ROOT_ON | CLK_ROOT_SOURCE_SEL(1)); + clock_enable(CCGR_GIC, 1); + return 0; } #endif -- 1.9.1