From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2961414EC5E; Thu, 22 Aug 2024 09:17:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724318229; cv=none; b=K0YUK7B+vitgOOTUkALVTsAXyYwWGFtU2xdXgea/Uv/PGzmE8LkO/1+skA7xwxyHkSqgp+CFJfmlt4XT17hdIra0LtZTVP6f+P6UbDz5UFnun0zMf1hIaXjWljCZ80E/L9/wnZngi5O70xXKihLb5ExHrZPFkEdDS28MqJYR5UI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724318229; c=relaxed/simple; bh=a5Snna/TCExFOBfUIFiYvqGHUQEeHIaNkMpIs4WHu8A=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=nadxenfgYBD1Qld5nGUOQu3e8Ty1dfs7XsQDvN8hl7g6wmS04sWZBNvT7k48yBNHLBWn2XHCY876ydyQwbf0vM741VVYfLRSVW3k41hnPMuErTjksmILa9yGrCWo92iZ/93KMCd+0Gwx/K5dASxbgUFquyO/h7a/JSeSyimtaIo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=EfIJUEwz; arc=none smtp.client-ip=198.175.65.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="EfIJUEwz" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1724318227; x=1755854227; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=a5Snna/TCExFOBfUIFiYvqGHUQEeHIaNkMpIs4WHu8A=; b=EfIJUEwzlkMAinuQCWyEPjS1gMj2GTY2jbtjwi8VYqImC0I7p/1gtD2a hbMlav1lteFVfH0fegdjf4ZcaiMFMUyfgZMizIicFWqeMHEMGrOn1nLWN ABSlSk6g8KYILtm37UCJG6mNlzjJcAZdl0EmAy+A+yZIMR6eyGHrWT3fG p/yjc2i75jXRcQ2d1bQSwOd6OCpmuWvuma3EK59dgn2eimDJy4pAfTvP+ Yh8Y4+dBp0mwJJ6BYijjJQbaK3Oo/Gdud1nMoIxph7I1njNjxrg9JndPR cDc4t1EQzge6uBQ1ij5QCx1hatO8KuJhBljabAZr69ZDswUwhcZNWECyc g==; X-CSE-ConnectionGUID: tvX7+ivzTom8L8a0BhbAdA== X-CSE-MsgGUID: +tr8jDRBRouHrPEWC7tsIw== X-IronPort-AV: E=McAfee;i="6700,10204,11171"; a="22873220" X-IronPort-AV: E=Sophos;i="6.10,166,1719903600"; d="scan'208";a="22873220" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Aug 2024 02:17:06 -0700 X-CSE-ConnectionGUID: zS7NKeLJSZSG3G3mv54SEQ== X-CSE-MsgGUID: 07cnPwn5Q6OwHFPvUiRG7A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,166,1719903600"; d="scan'208";a="66267241" Received: from lkp-server01.sh.intel.com (HELO 9a732dc145d3) ([10.239.97.150]) by orviesa005.jf.intel.com with ESMTP; 22 Aug 2024 02:17:00 -0700 Received: from kbuild by 9a732dc145d3 with local (Exim 4.96) (envelope-from ) id 1sh3w9-000Cd0-1m; Thu, 22 Aug 2024 09:16:57 +0000 Date: Thu, 22 Aug 2024 17:16:40 +0800 From: kernel test robot To: Stefan Wahren , Russell King , Doug Anderson , Florian Fainelli , Ray Jui , Scott Branden , Maxime Ripard , Jassi Brar , =?iso-8859-1?Q?Ma=EDra?= Canal , Greg Kroah-Hartman , Minas Harutyunyan Cc: oe-kbuild-all@lists.linux.dev, Dave Stevenson , Maarten Lankhorst , Thomas Zimmermann , David Airlie , Daniel Vetter , Lukas Wunner , Artur Petrosyan , Peter Robinson , dri-devel@lists.freedesktop.org, bcm-kernel-feedback-list@broadcom.com, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel-list@raspberrypi.com, Stefan Wahren Subject: Re: [PATCH V3 7/9] usb: dwc2: Refactor backup/restore of registers Message-ID: <202408221629.jv9AgCrF-lkp@intel.com> References: <20240821214052.6800-8-wahrenst@gmx.net> Precedence: bulk X-Mailing-List: linux-usb@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: <20240821214052.6800-8-wahrenst@gmx.net> Hi Stefan, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on arm/for-next arm/fixes v6.11-rc4 next-20240822] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Stefan-Wahren/mailbox-bcm2835-Fix-timeout-during-suspend-mode/20240822-063725 base: linus/master patch link: https://lore.kernel.org/r/20240821214052.6800-8-wahrenst%40gmx.net patch subject: [PATCH V3 7/9] usb: dwc2: Refactor backup/restore of registers config: x86_64-randconfig-161-20240822 (https://download.01.org/0day-ci/archive/20240822/202408221629.jv9AgCrF-lkp@intel.com/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240822/202408221629.jv9AgCrF-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/202408221629.jv9AgCrF-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/usb/dwc2/gadget.c:5605:28: warning: variable 'dr' set but not used [-Wunused-but-set-variable] 5605 | struct dwc2_dregs_backup *dr; | ^ 1 warning generated. vim +/dr +5605 drivers/usb/dwc2/gadget.c be2b960e57154a Artur Petrosyan 2021-04-08 5588 be2b960e57154a Artur Petrosyan 2021-04-08 5589 /* be2b960e57154a Artur Petrosyan 2021-04-08 5590 * dwc2_gadget_exit_partial_power_down() - Exit controller from device partial be2b960e57154a Artur Petrosyan 2021-04-08 5591 * power down. be2b960e57154a Artur Petrosyan 2021-04-08 5592 * be2b960e57154a Artur Petrosyan 2021-04-08 5593 * @hsotg: Programming view of the DWC_otg controller be2b960e57154a Artur Petrosyan 2021-04-08 5594 * @restore: indicates whether need to restore the registers or not. be2b960e57154a Artur Petrosyan 2021-04-08 5595 * be2b960e57154a Artur Petrosyan 2021-04-08 5596 * Return: non-zero if failed to exit device partial power down. be2b960e57154a Artur Petrosyan 2021-04-08 5597 * be2b960e57154a Artur Petrosyan 2021-04-08 5598 * This function is for exiting from device mode partial power down. be2b960e57154a Artur Petrosyan 2021-04-08 5599 */ be2b960e57154a Artur Petrosyan 2021-04-08 5600 int dwc2_gadget_exit_partial_power_down(struct dwc2_hsotg *hsotg, be2b960e57154a Artur Petrosyan 2021-04-08 5601 bool restore) be2b960e57154a Artur Petrosyan 2021-04-08 5602 { be2b960e57154a Artur Petrosyan 2021-04-08 5603 u32 pcgcctl; be2b960e57154a Artur Petrosyan 2021-04-08 5604 u32 dctl; be2b960e57154a Artur Petrosyan 2021-04-08 @5605 struct dwc2_dregs_backup *dr; be2b960e57154a Artur Petrosyan 2021-04-08 5606 int ret = 0; be2b960e57154a Artur Petrosyan 2021-04-08 5607 be2b960e57154a Artur Petrosyan 2021-04-08 5608 dr = &hsotg->dr_backup; be2b960e57154a Artur Petrosyan 2021-04-08 5609 be2b960e57154a Artur Petrosyan 2021-04-08 5610 dev_dbg(hsotg->dev, "Exiting device partial Power Down started.\n"); be2b960e57154a Artur Petrosyan 2021-04-08 5611 be2b960e57154a Artur Petrosyan 2021-04-08 5612 pcgcctl = dwc2_readl(hsotg, PCGCTL); be2b960e57154a Artur Petrosyan 2021-04-08 5613 pcgcctl &= ~PCGCTL_STOPPCLK; be2b960e57154a Artur Petrosyan 2021-04-08 5614 dwc2_writel(hsotg, pcgcctl, PCGCTL); be2b960e57154a Artur Petrosyan 2021-04-08 5615 be2b960e57154a Artur Petrosyan 2021-04-08 5616 pcgcctl = dwc2_readl(hsotg, PCGCTL); be2b960e57154a Artur Petrosyan 2021-04-08 5617 pcgcctl &= ~PCGCTL_PWRCLMP; be2b960e57154a Artur Petrosyan 2021-04-08 5618 dwc2_writel(hsotg, pcgcctl, PCGCTL); be2b960e57154a Artur Petrosyan 2021-04-08 5619 be2b960e57154a Artur Petrosyan 2021-04-08 5620 pcgcctl = dwc2_readl(hsotg, PCGCTL); be2b960e57154a Artur Petrosyan 2021-04-08 5621 pcgcctl &= ~PCGCTL_RSTPDWNMODULE; be2b960e57154a Artur Petrosyan 2021-04-08 5622 dwc2_writel(hsotg, pcgcctl, PCGCTL); be2b960e57154a Artur Petrosyan 2021-04-08 5623 be2b960e57154a Artur Petrosyan 2021-04-08 5624 udelay(100); be2b960e57154a Artur Petrosyan 2021-04-08 5625 if (restore) { 78c09c66698a77 Stefan Wahren 2024-08-21 5626 ret = dwc2_gadget_restore_critical_registers(hsotg); 78c09c66698a77 Stefan Wahren 2024-08-21 5627 if (ret) be2b960e57154a Artur Petrosyan 2021-04-08 5628 return ret; be2b960e57154a Artur Petrosyan 2021-04-08 5629 } be2b960e57154a Artur Petrosyan 2021-04-08 5630 be2b960e57154a Artur Petrosyan 2021-04-08 5631 /* Set the Power-On Programming done bit */ be2b960e57154a Artur Petrosyan 2021-04-08 5632 dctl = dwc2_readl(hsotg, DCTL); be2b960e57154a Artur Petrosyan 2021-04-08 5633 dctl |= DCTL_PWRONPRGDONE; be2b960e57154a Artur Petrosyan 2021-04-08 5634 dwc2_writel(hsotg, dctl, DCTL); be2b960e57154a Artur Petrosyan 2021-04-08 5635 be2b960e57154a Artur Petrosyan 2021-04-08 5636 /* Set in_ppd flag to 0 as here core exits from suspend. */ be2b960e57154a Artur Petrosyan 2021-04-08 5637 hsotg->in_ppd = 0; be2b960e57154a Artur Petrosyan 2021-04-08 5638 hsotg->lx_state = DWC2_L0; be2b960e57154a Artur Petrosyan 2021-04-08 5639 be2b960e57154a Artur Petrosyan 2021-04-08 5640 dev_dbg(hsotg->dev, "Exiting device partial Power Down completed.\n"); be2b960e57154a Artur Petrosyan 2021-04-08 5641 return ret; be2b960e57154a Artur Petrosyan 2021-04-08 5642 } 012466fc8ccc01 Artur Petrosyan 2021-04-13 5643 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki