From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753835AbdLGSIX (ORCPT ); Thu, 7 Dec 2017 13:08:23 -0500 Received: from omzsmtpe02.verizonbusiness.com ([199.249.25.209]:30790 "EHLO omzsmtpe02.verizonbusiness.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755380AbdLGPqy (ORCPT ); Thu, 7 Dec 2017 10:46:54 -0500 From: alexander.levin@verizon.com Cc: Leo Yan , Guodong Xu , "Zhangfei Gao" , Haojian Zhuang , Michael Turquette , alexander.levin@verizon.com X-Host: mariner.tdc.vzwcorp.com To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" Subject: [PATCH AUTOSEL for 4.14 045/135] clk: hi6220: mark clock cs_atb_syspll as critical Thread-Topic: [PATCH AUTOSEL for 4.14 045/135] clk: hi6220: mark clock cs_atb_syspll as critical Thread-Index: AQHTb3Jv5bJSIfUyPkmEWzq5m8AxwQ== Date: Thu, 7 Dec 2017 15:45:41 +0000 Message-ID: <20171207154513.4154-45-alexander.levin@verizon.com> References: <20171207154513.4154-1-alexander.levin@verizon.com> In-Reply-To: <20171207154513.4154-1-alexander.levin@verizon.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.144.60.250] Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by nfs id vB7I8Tq5014193 From: Leo Yan [ Upstream commit d2a3671ebe6479483a12f94fcca63c058d95ad64 ] Clock cs_atb_syspll is pll used for coresight trace bus; when clock cs_atb_syspll is disabled and operates its child clock node cs_atb results in system hang. So mark clock cs_atb_syspll as critical to keep it enabled. Cc: Guodong Xu Cc: Zhangfei Gao Cc: Haojian Zhuang Signed-off-by: Leo Yan Signed-off-by: Michael Turquette Link: lkml.kernel.org/r/1504226835-2115-2-git-send-email-leo.yan@linaro.org Signed-off-by: Sasha Levin --- drivers/clk/hisilicon/clk-hi6220.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/hisilicon/clk-hi6220.c b/drivers/clk/hisilicon/clk-hi6220.c index e786d717f75d..a87809d4bd52 100644 --- a/drivers/clk/hisilicon/clk-hi6220.c +++ b/drivers/clk/hisilicon/clk-hi6220.c @@ -145,7 +145,7 @@ static struct hisi_gate_clock hi6220_separated_gate_clks_sys[] __initdata = { { HI6220_BBPPLL_SEL, "bbppll_sel", "pll0_bbp_gate", CLK_SET_RATE_PARENT|CLK_IGNORE_UNUSED, 0x270, 9, 0, }, { HI6220_MEDIA_PLL_SRC, "media_pll_src", "pll_media_gate", CLK_SET_RATE_PARENT|CLK_IGNORE_UNUSED, 0x270, 10, 0, }, { HI6220_MMC2_SEL, "mmc2_sel", "mmc2_mux1", CLK_SET_RATE_PARENT|CLK_IGNORE_UNUSED, 0x270, 11, 0, }, - { HI6220_CS_ATB_SYSPLL, "cs_atb_syspll", "syspll", CLK_SET_RATE_PARENT|CLK_IGNORE_UNUSED, 0x270, 12, 0, }, + { HI6220_CS_ATB_SYSPLL, "cs_atb_syspll", "syspll", CLK_SET_RATE_PARENT|CLK_IS_CRITICAL, 0x270, 12, 0, }, }; static struct hisi_mux_clock hi6220_mux_clks_sys[] __initdata = { -- 2.11.0