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 A262DC6FD1C for ; Tue, 14 Mar 2023 07:22:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229785AbjCNHWP (ORCPT ); Tue, 14 Mar 2023 03:22:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229709AbjCNHWO (ORCPT ); Tue, 14 Mar 2023 03:22:14 -0400 Received: from mx1.tq-group.com (mx1.tq-group.com [93.104.207.81]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B51B60411 for ; Tue, 14 Mar 2023 00:22:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1678778532; x=1710314532; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=QSbp+j3Lryzh5nHW/M+6DxKV/MdRyvj9Id1UXRl9KLo=; b=pHTvIo7s/jTFehEq3hvYq9Qunc0C8y0kCfHC9KXEsLR916ddotKwrTN4 oJVX5IA33tkYC7tKFuzweLNXreNvH50vO3LpRzXFcOkVuAErfemcCadoj tuh7RGAJPjsHupB+zgZA7KT5tTpiKObI4VLOsnCtES6YjSz0YtCC9bqFx uVw9PWLa3/ZWF5Ubr2EbCMi5JXdeGi+hkzdtYrrE4k+VUuqbCxIH0xQfA 3A+/BBkS3/u08CLf5CpTcFo7+/v9aA6mxRdzi1/6l9bpZEYk7U//6cvop /Q1rvHWmLoqZPv5R23N9sviqvG+wy4eOVCVj+PuC90OS2IrjGLh8ybO9p g==; X-IronPort-AV: E=Sophos;i="5.98,259,1673910000"; d="scan'208";a="29664688" Received: from unknown (HELO tq-pgp-pr1.tq-net.de) ([192.168.6.15]) by mx1-pgp.tq-group.com with ESMTP; 14 Mar 2023 08:22:10 +0100 Received: from mx1.tq-group.com ([192.168.6.7]) by tq-pgp-pr1.tq-net.de (PGP Universal service); Tue, 14 Mar 2023 08:22:10 +0100 X-PGP-Universal: processed; by tq-pgp-pr1.tq-net.de on Tue, 14 Mar 2023 08:22:10 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1678778530; x=1710314530; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=QSbp+j3Lryzh5nHW/M+6DxKV/MdRyvj9Id1UXRl9KLo=; b=WRO2xVcb6HMnuHqosrd5FrI6Dkm6cKTGBJN8E/stKhAsKqgAJXywCWVX iO4g2gwdksEI6AHb3ko+tvgS+yv1A20EcPN6UTFYg/PxeyGNyRCpCwTAI zKhT5MHBGSQtc7jDrzVtgd3TZTGdw8y2toeGgsc8oCuErPz/ERspicpsp M7oMIMIxvxSpBlHbFTTqrLzzO8NZwgwIdmrWpFfsrvJIon42MMoKW+PaQ IchnSHMZ15Lgy5fIDxaf7FSAfWwvnovUEMsA+D5nXd0ldP/5SjJS7zGjw w/5vor2p9BYAZPmmPDCcgdDs83midPJ0vERhP0EeO3eyA4KG1Kb+FSvR7 A==; X-IronPort-AV: E=Sophos;i="5.98,259,1673910000"; d="scan'208";a="29664687" Received: from vtuxmail01.tq-net.de ([10.115.0.20]) by mx1.tq-group.com with ESMTP; 14 Mar 2023 08:22:10 +0100 Received: from steina-w.localnet (unknown [10.123.53.21]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by vtuxmail01.tq-net.de (Postfix) with ESMTPSA id 0FA0C280056; Tue, 14 Mar 2023 08:22:10 +0100 (CET) From: Alexander Stein To: Marek Vasut , Michael Turquette , Stephen Boyd Cc: linux-clk@vger.kernel.org Subject: Re: [PATCH 1/1] clk: rs9: Fix suspend/resume Date: Tue, 14 Mar 2023 08:22:07 +0100 Message-ID: <3227516.44csPzL39Z@steina-w> Organization: TQ-Systems GmbH In-Reply-To: References: <20230310074940.3475703-1-alexander.stein@ew.tq-group.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="iso-8859-1" Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Am Montag, 13. M=E4rz 2023, 23:26:54 CET schrieb Stephen Boyd: > Quoting Alexander Stein (2023-03-09 23:49:40) >=20 > > Disabling the cache in commit 2ff4ba9e3702 ("clk: rs9: Fix I2C accessor= s") > > without removing cache synchronization in resume path results in a > > kernel panic as map->cache_ops is unset, due to REGCACHE_NONE. > > Enable flat cache again to support resume again. num_reg_defaults_raw > > is necessary to read the cache defaults from hardware. Some registers > > are strapped in hardware and cannot be provided in software. > >=20 > > Fixes: 2ff4ba9e3702 ("clk: rs9: Fix I2C accessors") > > Signed-off-by: Alexander Stein > > --- > > There is also a series to not panic when using regcache_sync on > > REGCACHE_NONE maps at [1]. >=20 > And it was rejected? v2 has been accepted and is available at [1] in regmap's for-next branch. Best regards, Alexander [1] https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap.git/ commit/?id=3Dfd883d79e4dcd2417c2b80756f22a2ff03b0f6e0 =2D-=20 TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht M=FCnchen, HRB 105018 Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider http://www.tq-group.com/