From 0d77abc4fc31e038c6c5b1f08f115eb022b3c4f5 Mon Sep 17 00:00:00 2001 From: Anson Huang Date: Tue, 25 Feb 2020 16:49:13 +0800 Subject: [PATCH] clk: imx8mp: A53 core clock no need to be critical 'A53_CORE' is just a mux and no need to be critical, being critical will cause its parent clock always ON which does NOT make sense, to make sure CPU's hardware clock source NOT being disabled during clock tree setup, need to move the 'A53_SRC'/'A53_CORE' reparent operations to after critical clock 'ARM_CLK' setup finished. Signed-off-by: Anson Huang Signed-off-by: Shawn Guo --- drivers/clk/imx/clk-imx8mp.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/clk/imx/clk-imx8mp.c b/drivers/clk/imx/clk-imx8mp.c index c6161a4af201..c9e204edd247 100644 --- a/drivers/clk/imx/clk-imx8mp.c +++ b/drivers/clk/imx/clk-imx8mp.c @@ -557,7 +557,7 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) hws[IMX8MP_CLK_MEDIA_ISP_DIV] = imx_clk_hw_divider2("media_isp_div", "media_isp_cg", ccm_base + 0x8400, 0, 3); /* CORE SEL */ - hws[IMX8MP_CLK_A53_CORE] = imx_clk_hw_mux2_flags("arm_a53_core", ccm_base + 0x9880, 24, 1, imx8mp_a53_core_sels, ARRAY_SIZE(imx8mp_a53_core_sels), CLK_IS_CRITICAL); + hws[IMX8MP_CLK_A53_CORE] = imx_clk_hw_mux2("arm_a53_core", ccm_base + 0x9880, 24, 1, imx8mp_a53_core_sels, ARRAY_SIZE(imx8mp_a53_core_sels)); hws[IMX8MP_CLK_MAIN_AXI] = imx8m_clk_hw_composite_critical("main_axi", imx8mp_main_axi_sels, ccm_base + 0x8800); hws[IMX8MP_CLK_ENET_AXI] = imx8m_clk_hw_composite("enet_axi", imx8mp_enet_axi_sels, ccm_base + 0x8880); @@ -729,15 +729,15 @@ static int imx8mp_clocks_probe(struct platform_device *pdev) hws[IMX8MP_CLK_VPU_ROOT] = imx_clk_hw_gate4("vpu_root_clk", "vpu_bus", ccm_base + 0x4630, 0); hws[IMX8MP_CLK_AUDIO_ROOT] = imx_clk_hw_gate4("audio_root_clk", "ipg_root", ccm_base + 0x4650, 0); - clk_hw_set_parent(hws[IMX8MP_CLK_A53_SRC], hws[IMX8MP_SYS_PLL1_800M]); - clk_hw_set_parent(hws[IMX8MP_CLK_A53_CORE], hws[IMX8MP_ARM_PLL_OUT]); - hws[IMX8MP_CLK_ARM] = imx_clk_hw_cpu("arm", "arm_a53_core", hws[IMX8MP_CLK_A53_CORE]->clk, hws[IMX8MP_CLK_A53_CORE]->clk, hws[IMX8MP_ARM_PLL_OUT]->clk, hws[IMX8MP_CLK_A53_DIV]->clk); + clk_hw_set_parent(hws[IMX8MP_CLK_A53_SRC], hws[IMX8MP_SYS_PLL1_800M]); + clk_hw_set_parent(hws[IMX8MP_CLK_A53_CORE], hws[IMX8MP_ARM_PLL_OUT]); + imx_check_clk_hws(hws, IMX8MP_CLK_END); of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_hw_data);