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X-CSE-ConnectionGUID: lTXSSmRWTsSg0kIbV9VoAA== X-CSE-MsgGUID: 3UYKJte9TguIqCAUqeYXvw== X-IronPort-AV: E=McAfee;i="6800,10657,11734"; a="75239488" X-IronPort-AV: E=Sophos;i="6.23,130,1770624000"; d="scan'208";a="75239488" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2026 18:21:29 -0700 X-CSE-ConnectionGUID: FcsPf0prRRq0/qxuc/nEAw== X-CSE-MsgGUID: clM0ws1ASKSMHzES+rX23A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,130,1770624000"; d="scan'208";a="227614597" Received: from lkp-server02.sh.intel.com (HELO a51c2a36b9df) ([10.239.97.151]) by orviesa004.jf.intel.com with ESMTP; 19 Mar 2026 18:21:25 -0700 Received: from kbuild by a51c2a36b9df with local (Exim 4.98.2) (envelope-from ) id 1w3OUi-000000001qC-3MVc; Fri, 20 Mar 2026 01:18:54 +0000 Date: Fri, 20 Mar 2026 09:17:14 +0800 From: kernel test robot To: aspeedyh , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Joel Stanley , Andrew Jeffery , Ryan Chen , Philipp Zabel Cc: oe-kbuild-all@lists.linux.dev, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org, maciej.lawniczak@intel.com, aspeedyh Subject: Re: [PATCH 5/7] soc: aspeed: Add eSPI flash channel support Message-ID: <202603200904.M00MLkjz-lkp@intel.com> References: <20260313-upstream_espi-v1-5-9504428e1f43@aspeedtech.com> Precedence: bulk X-Mailing-List: devicetree@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: <20260313-upstream_espi-v1-5-9504428e1f43@aspeedtech.com> Hi aspeedyh, kernel test robot noticed the following build errors: [auto build test ERROR on 0257f64bdac7fdca30fa3cae0df8b9ecbec7733a] url: https://github.com/intel-lab-lkp/linux/commits/aspeedyh/dt-bindings-soc-aspeed-Add-AST2600-eSPI-controller/20260315-101647 base: 0257f64bdac7fdca30fa3cae0df8b9ecbec7733a patch link: https://lore.kernel.org/r/20260313-upstream_espi-v1-5-9504428e1f43%40aspeedtech.com patch subject: [PATCH 5/7] soc: aspeed: Add eSPI flash channel support config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20260320/202603200904.M00MLkjz-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260320/202603200904.M00MLkjz-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/202603200904.M00MLkjz-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/soc/aspeed/espi/ast2600-espi.c: In function 'ast2600_espi_flash_reset': >> drivers/soc/aspeed/espi/ast2600-espi.c:137:16: error: implicit declaration of function 'FIELD_PREP' [-Wimplicit-function-declaration] 137 | reg |= FIELD_PREP(ESPI_CTRL_FLASH_TAFS_MODE, flash->tafs.mode); | ^~~~~~~~~~ drivers/soc/aspeed/espi/ast2600-espi.c: In function 'ast2600_espi_flash_remove': drivers/soc/aspeed/espi/ast2600-espi.c:172:35: warning: variable 'flash' set but not used [-Wunused-but-set-variable] 172 | struct aspeed_espi_flash *flash; | ^~~~~ drivers/soc/aspeed/espi/ast2600-espi.c: In function 'ast2600_espi_flash_get_hdr': >> drivers/soc/aspeed/espi/ast2600-espi.c:194:20: error: implicit declaration of function 'FIELD_GET' [-Wimplicit-function-declaration] 194 | hdr->cyc = FIELD_GET(ESPI_FLASH_RX_CTRL_CYC, reg); | ^~~~~~~~~ vim +/FIELD_PREP +137 drivers/soc/aspeed/espi/ast2600-espi.c 111 112 static void ast2600_espi_flash_reset(struct aspeed_espi *espi) 113 { 114 struct aspeed_espi_flash *flash; 115 u32 reg; 116 117 flash = &espi->flash; 118 119 writel(ESPI_INT_EN_FLASH, espi->regs + ESPI_INT_EN_CLR); 120 writel(ESPI_INT_STS_FLASH, espi->regs + ESPI_INT_STS); 121 122 reg = readl(espi->regs + ESPI_CTRL); 123 reg &= ~(ESPI_CTRL_FLASH_TX_SW_RST 124 | ESPI_CTRL_FLASH_RX_SW_RST 125 | ESPI_CTRL_FLASH_TX_DMA_EN 126 | ESPI_CTRL_FLASH_RX_DMA_EN 127 | ESPI_CTRL_FLASH_SW_RDY); 128 writel(reg, espi->regs + ESPI_CTRL); 129 130 udelay(1); 131 132 reg |= (ESPI_CTRL_FLASH_TX_SW_RST | ESPI_CTRL_FLASH_RX_SW_RST); 133 writel(reg, espi->regs + ESPI_CTRL); 134 135 flash->tafs.mode = TAFS_MODE_SW; 136 reg = readl(espi->regs + ESPI_CTRL) & ~ESPI_CTRL_FLASH_TAFS_MODE; > 137 reg |= FIELD_PREP(ESPI_CTRL_FLASH_TAFS_MODE, flash->tafs.mode); 138 writel(reg, espi->regs + ESPI_CTRL); 139 140 if (flash->dma.enable) { 141 writel(flash->dma.tx_addr, espi->regs + ESPI_FLASH_TX_DMA); 142 writel(flash->dma.rx_addr, espi->regs + ESPI_FLASH_RX_DMA); 143 144 reg = readl(espi->regs + ESPI_CTRL) 145 | ESPI_CTRL_FLASH_TX_DMA_EN 146 | ESPI_CTRL_FLASH_RX_DMA_EN; 147 writel(reg, espi->regs + ESPI_CTRL); 148 } 149 150 writel(ESPI_INT_EN_FLASH_RX_CMPLT, espi->regs + ESPI_INT_EN); 151 152 reg = readl(espi->regs + ESPI_CTRL) | ESPI_CTRL_FLASH_SW_RDY; 153 writel(reg, espi->regs + ESPI_CTRL); 154 } 155 156 int ast2600_espi_flash_probe(struct aspeed_espi *espi) 157 { 158 u32 regs; 159 160 regs = readl(espi->regs + ESPI_STS); 161 if (regs & (ESPI_STS_FLASH_TX_BUSY | ESPI_STS_FLASH_RX_BUSY)) { 162 dev_warn(espi->dev, "eSPI flash channel is busy, deferring...\n"); 163 return -EPROBE_DEFER; 164 } 165 166 ast2600_espi_flash_reset(espi); 167 return 0; 168 } 169 170 int ast2600_espi_flash_remove(struct aspeed_espi *espi) 171 { 172 struct aspeed_espi_flash *flash; 173 u32 reg; 174 175 flash = &espi->flash; 176 177 writel(ESPI_INT_EN_FLASH, espi->regs + ESPI_INT_EN_CLR); 178 179 reg = readl(espi->regs + ESPI_CTRL); 180 reg &= ~(ESPI_CTRL_FLASH_TX_DMA_EN 181 | ESPI_CTRL_FLASH_RX_DMA_EN 182 | ESPI_CTRL_FLASH_SW_RDY); 183 writel(reg, espi->regs + ESPI_CTRL); 184 185 return 0; 186 } 187 188 int ast2600_espi_flash_get_hdr(struct aspeed_espi *espi, 189 struct espi_comm_hdr *hdr) 190 { 191 u32 reg, len; 192 193 reg = readl(espi->regs + ESPI_FLASH_RX_CTRL); > 194 hdr->cyc = FIELD_GET(ESPI_FLASH_RX_CTRL_CYC, reg); 195 hdr->tag = FIELD_GET(ESPI_FLASH_RX_CTRL_TAG, reg); 196 len = FIELD_GET(ESPI_FLASH_RX_CTRL_LEN, reg); 197 hdr->len_h = (len >> 8) & 0xff; 198 hdr->len_l = len & 0xff; 199 200 return 0; 201 } 202 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki