From nobody Tue Apr 30 12:39:07 2024 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 00A2DC6FD1C for ; Sat, 25 Mar 2023 21:50:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231370AbjCYVuC (ORCPT ); Sat, 25 Mar 2023 17:50:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230149AbjCYVuA (ORCPT ); Sat, 25 Mar 2023 17:50:00 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A22DB76E for ; Sat, 25 Mar 2023 14:49:59 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 9E77AB80977 for ; Sat, 25 Mar 2023 21:49:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 79474C433D2; Sat, 25 Mar 2023 21:49:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679780997; bh=c5w2xQu/8wCXjsZH3FlKUmoCjisCwE0EABExkI+kokM=; h=From:Date:Subject:To:Cc:From; b=MJ1w+yGO1sCfU+u2xZvHX7WUy47Q+dPaiWK4tiEcNc5XVrlTmjmgYnaFKYwyWKT++ k/cYBeWWdA05I28e+F+A22qg5YBHAe6IGPCt8iRnPbWD48+D3trnVD5IYE9mC7zedo cEvlMqJJ/2FHML3rEkr/rmFHwPcQtF4CkXKjBW9MHhvMRGzv9AkQQ4MNYI4XLbWd6e UMk0XgmUKZtF8wjvclfMIUgoI+7UmedrJ/77qJbPbnEmbve/ktIt9/HB3QHKKwhFSk mQyfGOY660Ku67zMc+2WptAGHZl++GfwW6dkRmneicIv4/vGLfQmUlVMxbG9C/JLOH USdISGwSNBB8A== From: Mark Brown Date: Sat, 25 Mar 2023 21:49:49 +0000 Subject: [PATCH] regmap: Handle sparse caches in the default sync MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230325-regcache-sparse-sync-v1-1-2a890239d061@kernel.org> X-B4-Tracking: v=1; b=H4sIAHxsH2QC/x2NwQrCQAxEf6Xk7ELdtcj6K+Ihm8ZuELYlAauU/ rupp+HN8JgNjFXY4NZtoPwWk7k5nE8dUMU2cZDRGWIfU5/iEJQnQqocbEE1j2+jMIwXyinjNZc Erhb0pSg2qoe8zvo66kX5KZ//2/2x7z/4IW6ifQAAAA== To: linux-kernel@vger.kernel.org Cc: Mark Brown X-Mailer: b4 0.13-dev-2eb1a X-Developer-Signature: v=1; a=openpgp-sha256; l=881; i=broonie@kernel.org; h=from:subject:message-id; bh=c5w2xQu/8wCXjsZH3FlKUmoCjisCwE0EABExkI+kokM=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBkH2yDfxQcy9uCTPcyJLgaGKfZgQU+LxLlQHpNKs2O G+LrMg2JATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZB9sgwAKCRAk1otyXVSH0GiVB/ 9msvwvaMBn0eEGWoLxFXegmTSPd1TfyG7NnW/FfXb8pnBH5EJI1jyVApJwOpjeD5VEniY0hrisPSwW AbdqSfdEWHM3bHTW6aUP5G69OhXh6omPirBHanPVF/g9kHr4u+f6tkKcGTYc8vKdRM/EHW/hsb5WNE dUJCL/hvxlusO/vRivHWQk79ZBuyuAzOdDqvDy4lGgKPLsDw88PDYHmNbhMSLaKfeOa4gGTAktRLr0 T7e1CxOrXMLIJMxaYDbbwvd7IScwvaXkU6coif7bNzMPjNWwiTLBHZs7CuqvCLcJlta60lamxY7KXN J5NIUI3wn8OuFvnzwp0OLOMuPu5y6f X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If there is no cache entry available we will get -ENOENT from the cache implementation, handle this gracefully and skip rather than treating it as an error. Signed-off-by: Mark Brown --- drivers/base/regmap/regcache.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index 362e043e26d8..c1b020c5a6a9 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -311,6 +311,8 @@ static int regcache_default_sync(struct regmap *map, un= signed int min, continue; =20 ret =3D regcache_read(map, reg, &val); + if (ret =3D=3D -ENOENT) + continue; if (ret) return ret; =20 --- base-commit: e8d018dd0257f744ca50a729e3d042cf2ec9da65 change-id: 20230325-regcache-sparse-sync-5d4c939a79b3 Best regards, --=20 Mark Brown