From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D3AECC43334 for ; Thu, 14 Jul 2022 22:41:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=BNjZtc8/3IeEwFLg6mnYfUpo3VwKg8V0+rWoJwzaUjU=; b=Zi/eCxjqOyCltwOs8b6k12AHwV lUd5O3RpW+1ZOx9ESBdlohJNNB8MZFn7T7YRqYFGxXH7EycFNZxRAM5M9VIXdyTFLGSjmParu+UiB GP+vwIOZriDp0svg8Yy+GzgE0YTv7vbrE5y9F52Fo1Fq5pvCnAobivVdkh5vDcKYOfdwC30aVd7ZZ 3DFwfy7bSz6FQtXEwaptVvFLGMCD6FLpgiegsVl56Js6NlU7qDRnlZYeGy05O1ZgVIYXsz4A82bw2 ciMa9Wvtyv4ZhiAm/JJY3f+LOWtWRB52k2cjZt+0H9LjsJ5C5LNK5aTOoPAQdwV6ZAXVDCkjIrlE/ nhh5pRDw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oC7W9-00267U-Oh; Thu, 14 Jul 2022 22:41:09 +0000 Received: from mga17.intel.com ([192.55.52.151]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oC7Vw-0025tn-FU; Thu, 14 Jul 2022 22:40:58 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1657838456; x=1689374456; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=Jp0uvkMpsUVFDNDNVRFxzBaquhMpCq7aL2kVSbO/unQ=; b=S0O3bcidBVqbZHLTVLXtVFV42eu1PTruuXMM3CV/faOMmUMPjRNa4t6z yNgCs/G9bl+nLSl75vYpuJt689Mon69kYWU8VLUF/Bdl4nfG8FyNwPm7z lrrTVLwtFQOwQEhlsjofRQj9RshidJpySWu/I31ugOBOc5spvzJ8pIvEX nQJCBag+TM9DDxr0LIlJMMLewhLhGCMuWdcE/3pOmcp9xgOn2CY3CtaUk X9VkGw7un+JchHwsPjcAVKUqcg+FBTAWsSY7YYouTMKGVxauXA0gugTvD pEdIdOhe6kOx7gswWsrIVC1zCX/9VI2jF02AVN7VOPwAA98snRxi8vhrb w==; X-IronPort-AV: E=McAfee;i="6400,9594,10408"; a="266057345" X-IronPort-AV: E=Sophos;i="5.92,272,1650956400"; d="scan'208";a="266057345" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jul 2022 15:40:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,272,1650956400"; d="scan'208";a="596254886" Received: from lkp-server01.sh.intel.com (HELO fd2c14d642b4) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 14 Jul 2022 15:40:48 -0700 Received: from kbuild by fd2c14d642b4 with local (Exim 4.95) (envelope-from ) id 1oC7Vn-0001EP-A0; Thu, 14 Jul 2022 22:40:47 +0000 Date: Fri, 15 Jul 2022 06:40:45 +0800 From: kernel test robot To: Biao Huang , David Miller , Matthias Brugger Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, netdev@vger.kernel.org, Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , AngeloGioacchino Del Regno , Biao Huang , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, macpaul.lin@mediatek.com, Jisheng Zhang , Mohammad Athari Bin Ismail Subject: Re: [PATCH net v4 3/3] net: stmmac: fix unbalanced ptp clock issue in suspend/resume flow Message-ID: <202207150612.B3phHNEY-lkp@intel.com> References: <20220713101002.10970-4-biao.huang@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220713101002.10970-4-biao.huang@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220714_154056_556328_B8123B6C X-CRM114-Status: GOOD ( 13.05 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Hi Biao, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on net/master] url: https://github.com/intel-lab-lkp/linux/commits/Biao-Huang/stmmac-dwmac-mediatek-fix-clock-issue/20220713-181044 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 22b9c41a3fb8ef4624bcda312665937d2ba98aa7 config: x86_64-randconfig-a016 (https://download.01.org/0day-ci/archive/20220715/202207150612.B3phHNEY-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 5e61b9c556267086ef9b743a0b57df302eef831b) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/f145c999bcff52c22cc849bf17f2b30c5e991c0a git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Biao-Huang/stmmac-dwmac-mediatek-fix-clock-issue/20220713-181044 git checkout f145c999bcff52c22cc849bf17f2b30c5e991c0a # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/ethernet/stmicro/stmmac/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:837:6: warning: unused variable 'ret' [-Wunused-variable] int ret; ^ 1 warning generated. vim +/ret +837 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c 891434b18ec0a2 Rayagond Kokatanur 2013-03-26 820 a6da2bbb0005e6 Holger Assmann 2021-11-21 821 /** a6da2bbb0005e6 Holger Assmann 2021-11-21 822 * stmmac_init_tstamp_counter - init hardware timestamping counter a6da2bbb0005e6 Holger Assmann 2021-11-21 823 * @priv: driver private structure a6da2bbb0005e6 Holger Assmann 2021-11-21 824 * @systime_flags: timestamping flags a6da2bbb0005e6 Holger Assmann 2021-11-21 825 * Description: a6da2bbb0005e6 Holger Assmann 2021-11-21 826 * Initialize hardware counter for packet timestamping. a6da2bbb0005e6 Holger Assmann 2021-11-21 827 * This is valid as long as the interface is open and not suspended. a6da2bbb0005e6 Holger Assmann 2021-11-21 828 * Will be rerun after resuming from suspend, case in which the timestamping a6da2bbb0005e6 Holger Assmann 2021-11-21 829 * flags updated by stmmac_hwtstamp_set() also need to be restored. a6da2bbb0005e6 Holger Assmann 2021-11-21 830 */ a6da2bbb0005e6 Holger Assmann 2021-11-21 831 int stmmac_init_tstamp_counter(struct stmmac_priv *priv, u32 systime_flags) a6da2bbb0005e6 Holger Assmann 2021-11-21 832 { a6da2bbb0005e6 Holger Assmann 2021-11-21 833 bool xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac; a6da2bbb0005e6 Holger Assmann 2021-11-21 834 struct timespec64 now; a6da2bbb0005e6 Holger Assmann 2021-11-21 835 u32 sec_inc = 0; a6da2bbb0005e6 Holger Assmann 2021-11-21 836 u64 temp = 0; a6da2bbb0005e6 Holger Assmann 2021-11-21 @837 int ret; a6da2bbb0005e6 Holger Assmann 2021-11-21 838 a6da2bbb0005e6 Holger Assmann 2021-11-21 839 if (!(priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) a6da2bbb0005e6 Holger Assmann 2021-11-21 840 return -EOPNOTSUPP; a6da2bbb0005e6 Holger Assmann 2021-11-21 841 a6da2bbb0005e6 Holger Assmann 2021-11-21 842 stmmac_config_hw_tstamping(priv, priv->ptpaddr, systime_flags); a6da2bbb0005e6 Holger Assmann 2021-11-21 843 priv->systime_flags = systime_flags; a6da2bbb0005e6 Holger Assmann 2021-11-21 844 a6da2bbb0005e6 Holger Assmann 2021-11-21 845 /* program Sub Second Increment reg */ a6da2bbb0005e6 Holger Assmann 2021-11-21 846 stmmac_config_sub_second_increment(priv, priv->ptpaddr, a6da2bbb0005e6 Holger Assmann 2021-11-21 847 priv->plat->clk_ptp_rate, a6da2bbb0005e6 Holger Assmann 2021-11-21 848 xmac, &sec_inc); a6da2bbb0005e6 Holger Assmann 2021-11-21 849 temp = div_u64(1000000000ULL, sec_inc); a6da2bbb0005e6 Holger Assmann 2021-11-21 850 a6da2bbb0005e6 Holger Assmann 2021-11-21 851 /* Store sub second increment for later use */ a6da2bbb0005e6 Holger Assmann 2021-11-21 852 priv->sub_second_inc = sec_inc; a6da2bbb0005e6 Holger Assmann 2021-11-21 853 a6da2bbb0005e6 Holger Assmann 2021-11-21 854 /* calculate default added value: a6da2bbb0005e6 Holger Assmann 2021-11-21 855 * formula is : a6da2bbb0005e6 Holger Assmann 2021-11-21 856 * addend = (2^32)/freq_div_ratio; a6da2bbb0005e6 Holger Assmann 2021-11-21 857 * where, freq_div_ratio = 1e9ns/sec_inc a6da2bbb0005e6 Holger Assmann 2021-11-21 858 */ a6da2bbb0005e6 Holger Assmann 2021-11-21 859 temp = (u64)(temp << 32); a6da2bbb0005e6 Holger Assmann 2021-11-21 860 priv->default_addend = div_u64(temp, priv->plat->clk_ptp_rate); a6da2bbb0005e6 Holger Assmann 2021-11-21 861 stmmac_config_addend(priv, priv->ptpaddr, priv->default_addend); a6da2bbb0005e6 Holger Assmann 2021-11-21 862 a6da2bbb0005e6 Holger Assmann 2021-11-21 863 /* initialize system time */ a6da2bbb0005e6 Holger Assmann 2021-11-21 864 ktime_get_real_ts64(&now); a6da2bbb0005e6 Holger Assmann 2021-11-21 865 a6da2bbb0005e6 Holger Assmann 2021-11-21 866 /* lower 32 bits of tv_sec are safe until y2106 */ a6da2bbb0005e6 Holger Assmann 2021-11-21 867 stmmac_init_systime(priv, priv->ptpaddr, (u32)now.tv_sec, now.tv_nsec); a6da2bbb0005e6 Holger Assmann 2021-11-21 868 a6da2bbb0005e6 Holger Assmann 2021-11-21 869 return 0; a6da2bbb0005e6 Holger Assmann 2021-11-21 870 } a6da2bbb0005e6 Holger Assmann 2021-11-21 871 EXPORT_SYMBOL_GPL(stmmac_init_tstamp_counter); a6da2bbb0005e6 Holger Assmann 2021-11-21 872 -- 0-DAY CI Kernel Test Service https://01.org/lkp From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3B173C433EF for ; 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14 Jul 2022 15:40:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,272,1650956400"; d="scan'208";a="596254886" Received: from lkp-server01.sh.intel.com (HELO fd2c14d642b4) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 14 Jul 2022 15:40:48 -0700 Received: from kbuild by fd2c14d642b4 with local (Exim 4.95) (envelope-from ) id 1oC7Vn-0001EP-A0; Thu, 14 Jul 2022 22:40:47 +0000 Date: Fri, 15 Jul 2022 06:40:45 +0800 From: kernel test robot To: Biao Huang , David Miller , Matthias Brugger Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, netdev@vger.kernel.org, Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , AngeloGioacchino Del Regno , Biao Huang , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, macpaul.lin@mediatek.com, Jisheng Zhang , Mohammad Athari Bin Ismail Subject: Re: [PATCH net v4 3/3] net: stmmac: fix unbalanced ptp clock issue in suspend/resume flow Message-ID: <202207150612.B3phHNEY-lkp@intel.com> References: <20220713101002.10970-4-biao.huang@mediatek.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220713101002.10970-4-biao.huang@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220714_154056_556328_B8123B6C X-CRM114-Status: GOOD ( 13.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Biao, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on net/master] url: https://github.com/intel-lab-lkp/linux/commits/Biao-Huang/stmmac-dwmac-mediatek-fix-clock-issue/20220713-181044 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 22b9c41a3fb8ef4624bcda312665937d2ba98aa7 config: x86_64-randconfig-a016 (https://download.01.org/0day-ci/archive/20220715/202207150612.B3phHNEY-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 5e61b9c556267086ef9b743a0b57df302eef831b) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/f145c999bcff52c22cc849bf17f2b30c5e991c0a git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Biao-Huang/stmmac-dwmac-mediatek-fix-clock-issue/20220713-181044 git checkout f145c999bcff52c22cc849bf17f2b30c5e991c0a # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/ethernet/stmicro/stmmac/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:837:6: warning: unused variable 'ret' [-Wunused-variable] int ret; ^ 1 warning generated. vim +/ret +837 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c 891434b18ec0a2 Rayagond Kokatanur 2013-03-26 820 a6da2bbb0005e6 Holger Assmann 2021-11-21 821 /** a6da2bbb0005e6 Holger Assmann 2021-11-21 822 * stmmac_init_tstamp_counter - init hardware timestamping counter a6da2bbb0005e6 Holger Assmann 2021-11-21 823 * @priv: driver private structure a6da2bbb0005e6 Holger Assmann 2021-11-21 824 * @systime_flags: timestamping flags a6da2bbb0005e6 Holger Assmann 2021-11-21 825 * Description: a6da2bbb0005e6 Holger Assmann 2021-11-21 826 * Initialize hardware counter for packet timestamping. a6da2bbb0005e6 Holger Assmann 2021-11-21 827 * This is valid as long as the interface is open and not suspended. a6da2bbb0005e6 Holger Assmann 2021-11-21 828 * Will be rerun after resuming from suspend, case in which the timestamping a6da2bbb0005e6 Holger Assmann 2021-11-21 829 * flags updated by stmmac_hwtstamp_set() also need to be restored. a6da2bbb0005e6 Holger Assmann 2021-11-21 830 */ a6da2bbb0005e6 Holger Assmann 2021-11-21 831 int stmmac_init_tstamp_counter(struct stmmac_priv *priv, u32 systime_flags) a6da2bbb0005e6 Holger Assmann 2021-11-21 832 { a6da2bbb0005e6 Holger Assmann 2021-11-21 833 bool xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac; a6da2bbb0005e6 Holger Assmann 2021-11-21 834 struct timespec64 now; a6da2bbb0005e6 Holger Assmann 2021-11-21 835 u32 sec_inc = 0; a6da2bbb0005e6 Holger Assmann 2021-11-21 836 u64 temp = 0; a6da2bbb0005e6 Holger Assmann 2021-11-21 @837 int ret; a6da2bbb0005e6 Holger Assmann 2021-11-21 838 a6da2bbb0005e6 Holger Assmann 2021-11-21 839 if (!(priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) a6da2bbb0005e6 Holger Assmann 2021-11-21 840 return -EOPNOTSUPP; a6da2bbb0005e6 Holger Assmann 2021-11-21 841 a6da2bbb0005e6 Holger Assmann 2021-11-21 842 stmmac_config_hw_tstamping(priv, priv->ptpaddr, systime_flags); a6da2bbb0005e6 Holger Assmann 2021-11-21 843 priv->systime_flags = systime_flags; a6da2bbb0005e6 Holger Assmann 2021-11-21 844 a6da2bbb0005e6 Holger Assmann 2021-11-21 845 /* program Sub Second Increment reg */ a6da2bbb0005e6 Holger Assmann 2021-11-21 846 stmmac_config_sub_second_increment(priv, priv->ptpaddr, a6da2bbb0005e6 Holger Assmann 2021-11-21 847 priv->plat->clk_ptp_rate, a6da2bbb0005e6 Holger Assmann 2021-11-21 848 xmac, &sec_inc); a6da2bbb0005e6 Holger Assmann 2021-11-21 849 temp = div_u64(1000000000ULL, sec_inc); a6da2bbb0005e6 Holger Assmann 2021-11-21 850 a6da2bbb0005e6 Holger Assmann 2021-11-21 851 /* Store sub second increment for later use */ a6da2bbb0005e6 Holger Assmann 2021-11-21 852 priv->sub_second_inc = sec_inc; a6da2bbb0005e6 Holger Assmann 2021-11-21 853 a6da2bbb0005e6 Holger Assmann 2021-11-21 854 /* calculate default added value: a6da2bbb0005e6 Holger Assmann 2021-11-21 855 * formula is : a6da2bbb0005e6 Holger Assmann 2021-11-21 856 * addend = (2^32)/freq_div_ratio; a6da2bbb0005e6 Holger Assmann 2021-11-21 857 * where, freq_div_ratio = 1e9ns/sec_inc a6da2bbb0005e6 Holger Assmann 2021-11-21 858 */ a6da2bbb0005e6 Holger Assmann 2021-11-21 859 temp = (u64)(temp << 32); a6da2bbb0005e6 Holger Assmann 2021-11-21 860 priv->default_addend = div_u64(temp, priv->plat->clk_ptp_rate); a6da2bbb0005e6 Holger Assmann 2021-11-21 861 stmmac_config_addend(priv, priv->ptpaddr, priv->default_addend); a6da2bbb0005e6 Holger Assmann 2021-11-21 862 a6da2bbb0005e6 Holger Assmann 2021-11-21 863 /* initialize system time */ a6da2bbb0005e6 Holger Assmann 2021-11-21 864 ktime_get_real_ts64(&now); a6da2bbb0005e6 Holger Assmann 2021-11-21 865 a6da2bbb0005e6 Holger Assmann 2021-11-21 866 /* lower 32 bits of tv_sec are safe until y2106 */ a6da2bbb0005e6 Holger Assmann 2021-11-21 867 stmmac_init_systime(priv, priv->ptpaddr, (u32)now.tv_sec, now.tv_nsec); a6da2bbb0005e6 Holger Assmann 2021-11-21 868 a6da2bbb0005e6 Holger Assmann 2021-11-21 869 return 0; a6da2bbb0005e6 Holger Assmann 2021-11-21 870 } a6da2bbb0005e6 Holger Assmann 2021-11-21 871 EXPORT_SYMBOL_GPL(stmmac_init_tstamp_counter); a6da2bbb0005e6 Holger Assmann 2021-11-21 872 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel