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 0D55BC4332F for ; Tue, 13 Dec 2022 10:08:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235103AbiLMKIk (ORCPT ); Tue, 13 Dec 2022 05:08:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235104AbiLMKIb (ORCPT ); Tue, 13 Dec 2022 05:08:31 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5495C63FD for ; Tue, 13 Dec 2022 02:08:30 -0800 (PST) Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=bjornoya.blackshift.org) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1p52D6-0002Iv-2j; Tue, 13 Dec 2022 11:08:28 +0100 Received: from pengutronix.de (unknown [IPv6:2a03:f580:87bc:d400:7718:f6d6:39bc:6089]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: mkl-all@blackshift.org) by smtp.blackshift.org (Postfix) with ESMTPSA id 3603813DC49; Tue, 13 Dec 2022 10:08:27 +0000 (UTC) Date: Tue, 13 Dec 2022 11:08:21 +0100 From: Marc Kleine-Budde To: Sascha Hauer , Alexandre Belloni Cc: linux-rtc@vger.kernel.org, kernel@pengutronix.de, Alessandro Zummo Subject: Re: [PATCH RESEND 0/2] rtc: rv8803 patches Message-ID: <20221213100821.7ho3etmahujdmm3x@pengutronix.de> References: <20221123095527.2771434-1-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="bd45thwwgbi5lora" Content-Disposition: inline In-Reply-To: <20221123095527.2771434-1-s.hauer@pengutronix.de> X-SA-Exim-Connect-IP: 2001:67c:670:201:5054:ff:fe8d:eefb X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-rtc@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@vger.kernel.org --bd45thwwgbi5lora Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hey Alexandre, On 23.11.2022 10:55:25, Sascha Hauer wrote: > This series has the remainder of > https://lore.kernel.org/all/20220426071056.1187235-1-s.hauer@pengutronix.= de/ > which was partly applied. >=20 > Alexandre, >=20 > Last time this series was send you asked if this series fixes a problem > we've really seen to which Ahmad answered: >=20 > > The kernel message > >=20 > > rtc rtc0: invalid alarm value: 2020-3-27 7:82:0 > >=20 > > listed in the commit message is something I actually ran into. There > > was no v2f set then. The customer has also variously observed bit flips > > independently of v2f: During EMC testing, electrostatic discharge at de= veloper > > desks and even in the field: Suspected causes were lightning strikes in= the > > vicinity and the switching of larger inductive loads. > > They're very paranoid of logging invalid timestamps, so we'll keep the = patch > > anyhow at our side, but I think it is generally useful as well: If we c= an't > > set an invalid alarm time by normal means, but read back an invalid tim= e, > > something may have corrupted other memory, so treating it as a v2f is s= ensible. >=20 > There was no answer to this. I would be glad if you could take this > series. I would understand though if you say that this problem is too > esoteric to fix it upstream, we would keep the patches locally then. > Please just say so, it would help me to get the problem from my desk ;) Any news on this, what's the status? regards, Marc --=20 Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | --bd45thwwgbi5lora Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEBsvAIBsPu6mG7thcrX5LkNig010FAmOYTxMACgkQrX5LkNig 010cWwf/fSF4rpojXwTV4oB0rS1C0tNyhEbPvkViBUbTaNZRcIpDbe2q8hCTDIgq QrhgHoC8Ab7ZWfltWbYginagof3r2uoPZZ0weZU7QkSwGKXU8IXSnYt532vhcuSg 29++WTICPQVjf3dt3MRl2+sb09X5VIFv/BNBZcP8Zgn93FRmZcso8MY3YhowhMpi O0qzOFwGI+5XIHut7TA6rD38biK09VmOK7OlNgzZQH1ZOliqtusUv4V0evouceHo 0aJDBRATm3FnMzLZoCjXbSkspbo8nPK4ZQEbVOx+fkuUYBj++9NNN1LjARPaR+k6 nDMj2iG/0lfwMJUEitfX5HDPWNYhYw== =BSxj -----END PGP SIGNATURE----- --bd45thwwgbi5lora--