From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f48.google.com (mail-wr1-f48.google.com [209.85.221.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 142F33F23A0 for ; Wed, 4 Feb 2026 12:44:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.48 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770209061; cv=none; b=Vry/5XjFU8+IMsgX50NqbKd9XlULfL/ycdSP89xCkDwfbFDQ+AkX504fNEVlV024Xd/emU5R5VYslDFMdp9IHaAi7aX3TpPm7lqRRHhb72vInQ7UN3PI2cuvDWl478tQ/lU368WHFbNbSa1V6OzDOziJ/YKe8T+tUuGwEM0ckus= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770209061; c=relaxed/simple; bh=2ccQeih6irYO5XzSFtymX8LSiL0DW7BGri+FxKdFDR8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hV2Nls9t9wW7mAhzTJwvWT6w2uRHJb60mbBuvkQxv5MH3I8XJdvJKj8u9C5BLnY2+YL7mmFV+D6vffn0KmzPTrkBf7Vwt8I9pljPJUtyGWHmKYY9xDmdxdD+GpSBsHmvH8LG8W88ctHu2w6NXThdEj9GMfQsFNcsGjtTvuBLSfQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=NYVLeejA; arc=none smtp.client-ip=209.85.221.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="NYVLeejA" Received: by mail-wr1-f48.google.com with SMTP id ffacd0b85a97d-435a517be33so4103966f8f.0 for ; Wed, 04 Feb 2026 04:44:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1770209059; x=1770813859; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=HdeWbr93zk7sz3NtKAzxThy4aGeFCJLtK1+LR0Bzdck=; b=NYVLeejASjOK53lwlOzxLANcaoH9vubIJNtZxO6/TjzGJc+qkfYIEFtucOYzu2T7Iy tGpVQy0XFNf0r438iOZRWdAw6rnAiXI9z9f39jkdRXeLyckWdKSJHzyGIVgQe0Z5t4Fg TGPCNkrse4xVMHYfL/qRKkq1WvvHcj1MahqBbC+IPZ4Va+WNUHM/cITzyGdLRQl3DHsW WD56APQofcq/5FyR2D9TmavUgROtySZjjmyEUJgJ9nwAn69AzRWwsWzQufJOWJkWmy+T tssNBIi8F+/dtZv8LM/T6lGrFEM3un0+NGf5EuiT8oNabtuSENSzG6F+6cCH+3txonGy RQLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770209059; x=1770813859; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=HdeWbr93zk7sz3NtKAzxThy4aGeFCJLtK1+LR0Bzdck=; b=J8TTDTO4gdcl+ImvhGJ3xUh2OhZ7C5XJEEVg0gWe9FeMGtRa0JsuUCBJNZx3dYlxca SbMcE9sVzU+Ndnqhc+OQuPgKnkQkl2nYL2ixzv2srt8srA0kLkc+dXbbWWJ62OOs2XjO VfESkaEYLZmpytsN2fRnCGX3Ful3s4r/uERSGgdwkazaU5XlTzjOKOJ0YxfVA86kYR2l mBGOGEcRUIV8loXU2oyodIb9BjPy/4ajnWwXtZrRz69yqPZv3sSg9WuG9jAWhQ9NLytE 4ypsinuEDzdCZV/hDAR38dhtZ6j30lSKMSTQPBvOMt7ajLpI0mYE20hThPm3CytZ8hko IOhg== X-Forwarded-Encrypted: i=1; AJvYcCVgynLas54UIFZtIMXrptdebzZoiYUO5FgVp971GLp1ePfhFdRMbmPY4Z6JX9WTBy05o4FXkXzNqw==@vger.kernel.org X-Gm-Message-State: AOJu0Yy9wMRFrOiEnXEdh4oN7KwQp+2LUyUzlFZtg4y4xe56VyeRBmNo ZEKN3Jy2f+qRiwfGA3vM2t1DevvsvPaq5WqnmffuWow0UH82/YfLlZxj X-Gm-Gg: AZuq6aJvprw1tedczLPtNCkSpMcirYUaGscBVIDe8FOpnynjN6r/3Y0uEIwgt7aQ9fR vILCcCOd8FTORWfNuYnmGdMnyN/lKwlIpERRl+qQultdKsWdJMVukdIEt8VV/CYN/tIs2SG6FBU HAtn6DcXaNyJDSCfIX5ITPkRArPYlWtQ0M5un9s5lmDc+1QRogXZtxZlM22TR4v6T9fg9G3lfiu G/i6i3tND/VKsgfN1jsdOQ75oI+hsbblCidI4uEz1mwTSNcyrV5w7t16dvzRWg0iRRBaGQt6XQe 1k8OqlFlHp1h92CT9W0GoIJB10DoQpvc6wuVpSUAqVeiKo4zZscY7WkmaiMPKlht/DqyTwkeoEy 7FkmXw+ata5I3caV1FVVTX/Aq3IqFdlnJkIY4ok8n2gamPPtl0ilNPvsTzPIXlavJG3JTUdXZiv ca3+9ta3w= X-Received: by 2002:a05:6000:2086:b0:435:ad52:31d9 with SMTP id ffacd0b85a97d-436180321b0mr4035154f8f.28.1770209059152; Wed, 04 Feb 2026 04:44:19 -0800 (PST) Received: from legfed1 ([2a00:79c0:684:8900:e22:b7ee:dcfc:b04a]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43618058473sm6521891f8f.22.2026.02.04.04.44.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Feb 2026 04:44:18 -0800 (PST) Date: Wed, 4 Feb 2026 13:44:16 +0100 From: Dimitri Fedrau To: Sebastian Reichel Cc: dimitri.fedrau@liebherr.com, Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/2] power: supply: gpio-charger: add support for fast-charge timer Message-ID: <20260204124416.GA3066@legfed1> References: <20260109-gpio-charger-timer-v2-0-63fd1ba75830@liebherr.com> <20260109-gpio-charger-timer-v2-2-63fd1ba75830@liebherr.com> Precedence: bulk X-Mailing-List: linux-pm@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: Am Fri, Jan 30, 2026 at 11:19:44PM +0100 schrieb Sebastian Reichel: > Hi, > > On Fri, Jan 09, 2026 at 07:41:20PM +0100, Dimitri Fedrau via B4 Relay wrote: > > From: Dimitri Fedrau > > > > On some devices like TIs BQ24081 battery charger it is possible to activate > > or deactivate a fast-charge timer that provides a backup safety for charge > > termination. In case of the BQ24081 it is a fixed 7-hour timer. Add support > > for enabling/disabling the fast-charge timer via GPIO. > > > > Signed-off-by: Dimitri Fedrau > > --- > > The documentation is missing _a lot of information_. What happens > when the fast-charge timer is disabled? What happens when it is > enabled and times out? What do you expect users to do with this > control knob? > Yes, you are right. Will add the missing information for the BQ24081. When the timer is enabled and 7-hours are passed the device will enter state "Timer fault" where charging is disabled and cannot be enabled without powering the device down and up again. Disabling the timer will just deactive the mechanism above but charging is not affected by it. It's just a safety feature that can be turned on/off. Will add this information, am I missing anything else ? Best regards, Dimitri Fedrau [...]