From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) (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 3B56154918 for ; Mon, 9 Dec 2024 08:15:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=68.232.153.233 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733732143; cv=none; b=CcnSLtkGnNdzkJG1fwCxlj4FCV2564ekt9Tg746ju1/nxGzSFGqCxYZb3GdHjoj6Y3J2lbeYrugG7YQ7pqU1xUQhjMoJ19myb4h/r0JwqOYNEwbEd3nrOgyZkvEOiA0bMu8p7qFqiSvrdtr3yHVzgKmVSS1blMrbrtDWAAncZQ4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733732143; c=relaxed/simple; bh=ZcPczIrFdqcCCIC/8LP2IK2yKWfNDzsDd20ms77e/Ew=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=pXXFrAgJ1SR+dBnn3yz4O1JDe9VCf9+7USv3OveNmtkVLL/q9pSyayFkZWA67t8y5sgboG/gaJn9x5FP2lGJ9FF9ibc7wFC0934LRiu0+YhETLfBkjqQLY4fz1p4az4sWfhABFBFTZCkiSrYIYQrsNOl12s8dpbaHYoedw+kOV8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com; spf=pass smtp.mailfrom=microchip.com; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b=s00cOUJ5; arc=none smtp.client-ip=68.232.153.233 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=microchip.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="s00cOUJ5" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1733732142; x=1765268142; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=ZcPczIrFdqcCCIC/8LP2IK2yKWfNDzsDd20ms77e/Ew=; b=s00cOUJ5KvAOyhDXezmKKVNhX4vZfgVghpPjYkcAIa6I18KT3QF7Unit QR1MdC2UoXYg+FogifkajFvDNJwi91LnkEHIyLBUyRicDrLL+5PeGbpi+ FrNaKJIbJKOAKAloRXv8gpfmMYPZ/AeB6QcR4XVYwFosvr7SHclj+1uY2 VqmTlkSlIdzoHox2qrw4bkCFUivJN+De3EiBnHJY31P3tJeRLDJpyx8rq yDyk9w8s0WATpGHHQChiRNBMuoKdDmRoISdb4Y7arVzhlLDtr/WcOxkMd gPF6h0rugtztoiSrhBFG5GgSyuWwcbk04nJsHfYDBF/jgR88sEPW/apc5 w==; X-CSE-ConnectionGUID: fximzRWUQzq03/rIjTMi1g== X-CSE-MsgGUID: NpHfH2OzRRyYYCqOHeO4jA== X-IronPort-AV: E=Sophos;i="6.12,218,1728975600"; d="scan'208";a="35290676" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa3.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 09 Dec 2024 01:15:41 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.87.72) by chn-vm-ex02.mchp-main.com (10.10.87.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Mon, 9 Dec 2024 01:15:37 -0700 Received: from [10.159.245.205] (10.10.85.11) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Mon, 9 Dec 2024 01:15:35 -0700 Message-ID: Date: Mon, 9 Dec 2024 09:15:45 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] ARM: at91: pm: change BU Power Switch to automatic mode To: Claudiu Beznea , Alexandre Belloni CC: , , Cristian Birsan References: <20241125165648.509162-1-nicolas.ferre@microchip.com> <32b1ae9d-f55b-43d0-bb24-1fd486440ab6@tuxon.dev> Content-Language: en-US, fr-FR From: Nicolas Ferre Organization: microchip In-Reply-To: <32b1ae9d-f55b-43d0-bb24-1fd486440ab6@tuxon.dev> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit On 08/12/2024 at 16:48, Claudiu Beznea wrote: > On 25.11.2024 18:56, nicolas.ferre@microchip.com wrote: >> From: Nicolas Ferre >> >> Change how the Backup Unit Power is configured and force the >> automatic/hardware mode. >> This change eliminates the need for software management of the power >> switch, ensuring it transitions to the backup power source before >> entering low power modes. >> >> This is done in the only locaton where this swich was configured. It's >> usually done in the bootloader. >> >> Previously, the loss of the VDDANA (or VDDIN33) power source was not >> automatically compensated by an alternative power source. This resulted >> in the loss of Backup Unit content, including Backup Self-refresh low >> power mode information, OTP emulation configuration, and boot >> configuration, for instance. >> >> Signed-off-by: Nicolas Ferre > > I've added the fixes tag, s/locaton/location, s/swich/switch. Thanks for your help Claudiu. Regards, Nicolas > > Applied to at91-soc, thanks!