From patchwork Tue Jul 25 16:44:04 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 793534 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-rtc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="Ocj56pEt"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3xH3wt56kVz9s78 for ; Wed, 26 Jul 2017 02:44:14 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752300AbdGYQoN (ORCPT ); Tue, 25 Jul 2017 12:44:13 -0400 Received: from mail-wm0-f68.google.com ([74.125.82.68]:36160 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752288AbdGYQoN (ORCPT ); Tue, 25 Jul 2017 12:44:13 -0400 Received: by mail-wm0-f68.google.com with SMTP id 184so16894328wmo.3 for ; Tue, 25 Jul 2017 09:44:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding; bh=WQTYWwvPtDsyCQAiEMM8ZkstiXY4eUWHXoJ4QouXgNU=; b=Ocj56pEtsPwG6b/nZpm3bJG6xJxQRVn4Sj3Uwx0sfEnlr6hUbyCalf9JdlybfxkkvO gJo9FyYnotuLRKYl8q4RAml6TyjF7gvWsu/RV9ZX9YNMjUM2m9WiDg6yB7U1u83t+Buh OXM/309IJSAsZWxmQVgw1kJwPEtMBmuitmNpGwq76kq7XAyp306AyEy34RW1PXSUIAcJ MeFb9sPfM2ORZ2uEsSFge5Fck+UN5AZEXFnbMCx0T3pK6eqaZKe7tFiMTGtE0QL4KNfy 4RVKBBOM1NFOl/x4bpBBDClE+YMkXsURLZEyVg4lr2N2PJr0Zl9Hftrb6BiAWVapaV0h IH0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-transfer-encoding; bh=WQTYWwvPtDsyCQAiEMM8ZkstiXY4eUWHXoJ4QouXgNU=; b=ogy9LPn/zi7KhO+kxxQ6Ut8OafIINMCmtXbKNJmJ57GyE/YTezpB5VWLAD6rbEyBUB V39Kmf0agNrgmGd1yoePy9c3eHc8kccL65ZFIpnvztuH0+r5lpEvEHMPLPkdau+kgl3C 4mGoIbwM6uOVMUAMBI+BRrAGdfOvt3R7gRtuneZ5ED08XHB2qsma/q6WD5JcXPmIDhgb hsTZc5ULGz1r1RwSfAffLG8yW/XrUzgBDrurjeqibZf/2iiLN7i6jSU0hY5EGco+s6jt aT/Mc0J1MG0F6IemjCI5U0ZtdFKImmZf6/qKZmVaD5wxzESfrMeDzEFCYa2JbTkr0Ank dBdg== X-Gm-Message-State: AIVw113ljrn36V4NDzrPCNgkbvNz1j/A3Sh8PxTwWwBjzGqJtEvC859G ee6243M5xMjp/lA2 X-Received: by 10.28.135.193 with SMTP id j184mr6945743wmd.96.1501001051787; Tue, 25 Jul 2017 09:44:11 -0700 (PDT) Received: from ?IPv6:2003:c6:ebc1:e200:9d7c:6647:2181:cf31? (p200300C6EBC1E2009D7C66472181CF31.dip0.t-ipconnect.de. [2003:c6:ebc1:e200:9d7c:6647:2181:cf31]) by smtp.googlemail.com with ESMTPSA id p19sm11575356wma.40.2017.07.25.09.44.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 25 Jul 2017 09:44:11 -0700 (PDT) To: Alexandre Belloni , linux-rtc@vger.kernel.org From: Heiner Kallweit Subject: [PATCH] rtc: ds1307: fix regmap config Message-ID: <2061233f-1187-d03c-51dc-8d7ad2faf90e@gmail.com> Date: Tue, 25 Jul 2017 18:44:04 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 Sender: linux-rtc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rtc@vger.kernel.org Current max_register setting breaks reading nvram on certain chips and also reading the standard registers on RX8130 where register map starts at 0x10. Signed-off-by: Heiner Kallweit Fixes: 11e5890b5342 "rtc: ds1307: convert driver to regmap" --- This fix should make it to 4.13. --- drivers/rtc/rtc-ds1307.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c index 4fac49e5..4b43aa62 100644 --- a/drivers/rtc/rtc-ds1307.c +++ b/drivers/rtc/rtc-ds1307.c @@ -1301,7 +1301,6 @@ static void ds1307_clks_register(struct ds1307 *ds1307) static const struct regmap_config regmap_config = { .reg_bits = 8, .val_bits = 8, - .max_register = 0x12, }; static int ds1307_probe(struct i2c_client *client,