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X-CSE-ConnectionGUID: MLJSTjwIQ9G5qu5D5tiBIw== X-CSE-MsgGUID: +Ky/EyxMQBiU+czUkhoVJA== X-IronPort-AV: E=McAfee;i="6800,10657,11728"; a="74660092" X-IronPort-AV: E=Sophos;i="6.23,118,1770624000"; d="scan'208";a="74660092" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Mar 2026 12:50:19 -0700 X-CSE-ConnectionGUID: TtppXxqqSbe/6BojyOSYlA== X-CSE-MsgGUID: kyiZqeEoSI+5J4z8lD5Edg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,118,1770624000"; d="scan'208";a="251775876" Received: from igk-lkp-server01.igk.intel.com (HELO 9958d990ccf2) ([10.211.93.152]) by orviesa002.jf.intel.com with ESMTP; 13 Mar 2026 12:50:15 -0700 Received: from kbuild by 9958d990ccf2 with local (Exim 4.98.2) (envelope-from ) id 1w18WT-000000003hV-0A89; Fri, 13 Mar 2026 19:50:13 +0000 Date: Fri, 13 Mar 2026 20:50:05 +0100 From: kernel test robot To: "Russell King (Oracle)" , Andrew Lunn Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Alexandre Torgue , Alexei Starovoitov , bpf@vger.kernel.org, Daniel Borkmann , Eric Dumazet , Jakub Kicinski , Jesper Dangaard Brouer , linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, netdev@vger.kernel.org, Paolo Abeni , Stanislav Fomichev Subject: Re: [PATCH net-next v2 13/15] net: stmmac: add helper to set transmit tail pointer Message-ID: <202603132053.N3kL3UZZ-lkp@intel.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260313_125021_278038_08AE29DF X-CRM114-Status: GOOD ( 11.82 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Russell, 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/Russell-King-Oracle/net-stmmac-rearrange-stmmac_tx_info-members-to-pack-better/20260313-225823 base: net-next/main patch link: https://lore.kernel.org/r/E1w0czK-0000000CzH7-19Fb%40rmk-PC.armlinux.org.uk patch subject: [PATCH net-next v2 13/15] net: stmmac: add helper to set transmit tail pointer config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260313/202603132053.N3kL3UZZ-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260313/202603132053.N3kL3UZZ-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/202603132053.N3kL3UZZ-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:430:26: error: call to undeclared function 'dma_desc_to_edesc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 430 | struct dma_edesc *ep = dma_desc_to_edesc(head); | ^ >> drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c:430:21: error: incompatible integer to pointer conversion initializing 'struct dma_edesc *' with an expression of type 'int' [-Wint-conversion] 430 | struct dma_edesc *ep = dma_desc_to_edesc(head); | ^ ~~~~~~~~~~~~~~~~~~~~~~~ 2 errors generated. vim +/dma_desc_to_edesc +430 drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c 396 397 static void dwmac4_display_ring(void *head, unsigned int size, bool rx, 398 dma_addr_t dma_rx_phy, unsigned int desc_size) 399 { 400 dma_addr_t dma_addr; 401 int i; 402 403 pr_info("%s descriptor ring:\n", rx ? "RX" : "TX"); 404 405 if (desc_size == sizeof(struct dma_desc)) { 406 struct dma_desc *p = (struct dma_desc *)head; 407 408 for (i = 0; i < size; i++) { 409 dma_addr = dma_rx_phy + i * sizeof(*p); 410 pr_info("%03d [%pad]: 0x%x 0x%x 0x%x 0x%x\n", 411 i, &dma_addr, 412 le32_to_cpu(p->des0), le32_to_cpu(p->des1), 413 le32_to_cpu(p->des2), le32_to_cpu(p->des3)); 414 p++; 415 } 416 } else if (desc_size == sizeof(struct dma_extended_desc)) { 417 struct dma_extended_desc *extp = (struct dma_extended_desc *)head; 418 419 for (i = 0; i < size; i++) { 420 dma_addr = dma_rx_phy + i * sizeof(*extp); 421 pr_info("%03d [%pad]: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 422 i, &dma_addr, 423 le32_to_cpu(extp->basic.des0), le32_to_cpu(extp->basic.des1), 424 le32_to_cpu(extp->basic.des2), le32_to_cpu(extp->basic.des3), 425 le32_to_cpu(extp->des4), le32_to_cpu(extp->des5), 426 le32_to_cpu(extp->des6), le32_to_cpu(extp->des7)); 427 extp++; 428 } 429 } else if (desc_size == sizeof(struct dma_edesc)) { > 430 struct dma_edesc *ep = dma_desc_to_edesc(head); 431 432 for (i = 0; i < size; i++) { 433 dma_addr = dma_rx_phy + i * sizeof(*ep); 434 pr_info("%03d [%pad]: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 435 i, &dma_addr, 436 le32_to_cpu(ep->des4), le32_to_cpu(ep->des5), 437 le32_to_cpu(ep->des6), le32_to_cpu(ep->des7), 438 le32_to_cpu(ep->basic.des0), le32_to_cpu(ep->basic.des1), 439 le32_to_cpu(ep->basic.des2), le32_to_cpu(ep->basic.des3)); 440 ep++; 441 } 442 } else { 443 pr_err("unsupported descriptor!"); 444 } 445 } 446 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki