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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66981C433F5 for ; Tue, 23 Nov 2021 23:23:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238672AbhKWX0O (ORCPT ); Tue, 23 Nov 2021 18:26:14 -0500 Received: from mga05.intel.com ([192.55.52.43]:48390 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233484AbhKWX0H (ORCPT ); Tue, 23 Nov 2021 18:26:07 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10177"; a="321393220" X-IronPort-AV: E=Sophos;i="5.87,258,1631602800"; d="scan'208";a="321393220" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Nov 2021 15:22:58 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,258,1631602800"; d="scan'208";a="474933600" Received: from lkp-server02.sh.intel.com (HELO 9e1e9f9b3bcb) ([10.239.97.151]) by orsmga002.jf.intel.com with ESMTP; 23 Nov 2021 15:22:56 -0800 Received: from kbuild by 9e1e9f9b3bcb with local (Exim 4.92) (envelope-from ) id 1mpf7n-0002RK-A3; Tue, 23 Nov 2021 23:22:55 +0000 Date: Wed, 24 Nov 2021 07:22:12 +0800 From: kernel test robot To: Pawel Laszczak Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Peter Chen Subject: drivers/usb/cdns3/cdnsp-gadget.c:1178:6: warning: variable 'temp_64' set but not used Message-ID: <202111240700.v09U6VsG-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 136057256686de39cc3a07c2e39ef6bc43003ff6 commit: 3d82904559f4f5a2622db1b21de3edf2eded7664 usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver date: 11 months ago config: x86_64-buildonly-randconfig-r003-20211118 (https://download.01.org/0day-ci/archive/20211124/202111240700.v09U6VsG-lkp@intel.com/config.gz) 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3d82904559f4f5a2622db1b21de3edf2eded7664 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 3d82904559f4f5a2622db1b21de3edf2eded7664 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/usb/cdns3/cdnsp-gadget.c:1178:6: warning: variable 'temp_64' set but not used [-Wunused-but-set-variable] u64 temp_64; ^ 1 warning generated. vim +/temp_64 +1178 drivers/usb/cdns3/cdnsp-gadget.c 1173 1174 static int cdnsp_run(struct cdnsp_device *pdev, 1175 enum usb_device_speed speed) 1176 { 1177 u32 fs_speed = 0; > 1178 u64 temp_64; 1179 u32 temp; 1180 int ret; 1181 1182 temp_64 = cdnsp_read_64(&pdev->ir_set->erst_dequeue); 1183 temp_64 &= ~ERST_PTR_MASK; 1184 temp = readl(&pdev->ir_set->irq_control); 1185 temp &= ~IMOD_INTERVAL_MASK; 1186 temp |= ((IMOD_DEFAULT_INTERVAL / 250) & IMOD_INTERVAL_MASK); 1187 writel(temp, &pdev->ir_set->irq_control); 1188 1189 temp = readl(&pdev->port3x_regs->mode_addr); 1190 1191 switch (speed) { 1192 case USB_SPEED_SUPER_PLUS: 1193 temp |= CFG_3XPORT_SSP_SUPPORT; 1194 break; 1195 case USB_SPEED_SUPER: 1196 temp &= ~CFG_3XPORT_SSP_SUPPORT; 1197 break; 1198 case USB_SPEED_HIGH: 1199 break; 1200 case USB_SPEED_FULL: 1201 fs_speed = PORT_REG6_FORCE_FS; 1202 break; 1203 default: 1204 dev_err(pdev->dev, "invalid maximum_speed parameter %d\n", 1205 speed); 1206 fallthrough; 1207 case USB_SPEED_UNKNOWN: 1208 /* Default to superspeed. */ 1209 speed = USB_SPEED_SUPER; 1210 break; 1211 } 1212 1213 if (speed >= USB_SPEED_SUPER) { 1214 writel(temp, &pdev->port3x_regs->mode_addr); 1215 cdnsp_set_link_state(pdev, &pdev->usb3_port.regs->portsc, 1216 XDEV_RXDETECT); 1217 } else { 1218 cdnsp_disable_port(pdev, &pdev->usb3_port.regs->portsc); 1219 } 1220 1221 cdnsp_set_link_state(pdev, &pdev->usb2_port.regs->portsc, 1222 XDEV_RXDETECT); 1223 1224 cdnsp_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512); 1225 1226 writel(PORT_REG6_L1_L0_HW_EN | fs_speed, &pdev->port20_regs->port_reg6); 1227 1228 ret = cdnsp_start(pdev); 1229 if (ret) { 1230 ret = -ENODEV; 1231 goto err; 1232 } 1233 1234 temp = readl(&pdev->op_regs->command); 1235 temp |= (CMD_INTE); 1236 writel(temp, &pdev->op_regs->command); 1237 1238 temp = readl(&pdev->ir_set->irq_pending); 1239 writel(IMAN_IE_SET(temp), &pdev->ir_set->irq_pending); 1240 1241 return 0; 1242 err: 1243 cdnsp_halt(pdev); 1244 return ret; 1245 } 1246 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org