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X-CSE-ConnectionGUID: jmUrpIBvQu2biQQoDHw49A== X-CSE-MsgGUID: m8Wm0tluRDqljN4qtgouXQ== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="29497045" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="29497045" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2024 10:11:24 -0700 X-CSE-ConnectionGUID: W8ffi6AWRIKUCKXfgRWWzw== X-CSE-MsgGUID: jBgwIuxpQcCrOIKJrpn2Yg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,232,1725346800"; d="scan'208";a="81267315" Received: from lkp-server01.sh.intel.com (HELO a48cf1aa22e8) ([10.239.97.150]) by fmviesa010.fm.intel.com with ESMTP; 25 Oct 2024 10:11:20 -0700 Received: from kbuild by a48cf1aa22e8 with local (Exim 4.96) (envelope-from ) id 1t4NqH-000Yeq-1K; Fri, 25 Oct 2024 17:11:17 +0000 Date: Sat, 26 Oct 2024 01:10:17 +0800 From: kernel test robot To: Furong Xu <0x1207@gmail.com>, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Vladimir Oltean , Andrew Lunn , Simon Horman , andrew+netdev@lunn.ch, Alexandre Torgue , Jose Abreu , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , xfr@outlook.com, Furong Xu <0x1207@gmail.com> Subject: Re: [PATCH net-next v4 3/6] net: stmmac: Refactor FPE functions to generic version Message-ID: <202410260025.sME33DwY-lkp@intel.com> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Hi Furong, kernel test robot noticed the following build errors: [auto build test ERROR on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Furong-Xu/net-stmmac-Introduce-separate-files-for-FPE-implementation/20241024-163526 base: net-next/main patch link: https://lore.kernel.org/r/cfc647f0d031517f9ec9095235a574aad9dc2c95.1729757625.git.0x1207%40gmail.com patch subject: [PATCH net-next v4 3/6] net: stmmac: Refactor FPE functions to generic version config: arm-spear13xx_defconfig (https://download.01.org/0day-ci/archive/20241026/202410260025.sME33DwY-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241026/202410260025.sME33DwY-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202410260025.sME33DwY-lkp@intel.com/ All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: drivers/net/ethernet/stmicro/stmmac/stmmac_fpe.o: in function `stmmac_fpe_configure': >> drivers/net/ethernet/stmicro/stmmac/stmmac_fpe.c:205:(.text+0x154): undefined reference to `__ffsdi2' vim +205 drivers/net/ethernet/stmicro/stmmac/stmmac_fpe.c 191 192 void stmmac_fpe_configure(struct stmmac_priv *priv, u32 num_txq, u32 num_rxq, 193 bool tx_enable, bool pmac_enable) 194 { 195 struct stmmac_fpe_cfg *cfg = &priv->fpe_cfg; 196 const struct stmmac_fpe_reg *reg = cfg->reg; 197 void __iomem *ioaddr = priv->ioaddr; 198 u32 value; 199 200 if (tx_enable) { 201 cfg->fpe_csr = STMMAC_MAC_FPE_CTRL_STS_EFPE; 202 value = readl(ioaddr + reg->rxq_ctrl1_reg); 203 value &= ~reg->fprq_mask; 204 /* Keep this SHIFT, FIELD_PREP() expects a constant mask :-/ */ > 205 value |= (num_rxq - 1) << __bf_shf(reg->fprq_mask); 206 writel(value, ioaddr + reg->rxq_ctrl1_reg); 207 } else { 208 cfg->fpe_csr = 0; 209 } 210 writel(cfg->fpe_csr, ioaddr + reg->mac_fpe_reg); 211 212 value = readl(ioaddr + reg->int_en_reg); 213 214 if (pmac_enable) { 215 if (!(value & reg->int_en_bit)) { 216 /* Dummy read to clear any pending masked interrupts */ 217 readl(ioaddr + reg->mac_fpe_reg); 218 219 value |= reg->int_en_bit; 220 } 221 } else { 222 value &= ~reg->int_en_bit; 223 } 224 225 writel(value, ioaddr + reg->int_en_reg); 226 } 227 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki