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 X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2DC74C433DB for ; Sun, 14 Mar 2021 11:03:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF21964EBA for ; Sun, 14 Mar 2021 11:03:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235190AbhCNLDY (ORCPT ); Sun, 14 Mar 2021 07:03:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37732 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234362AbhCNLCr (ORCPT ); Sun, 14 Mar 2021 07:02:47 -0400 Received: from mail.andi.de1.cc (mail.andi.de1.cc [IPv6:2a01:238:4321:8900:456f:ecd6:43e:202c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6460AC061574 for ; Sun, 14 Mar 2021 04:02:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kemnade.info; s=20180802; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=Hb/R5EmTCWcC7fN5ruuEXux4idHLiI2Ik4ejDDOKvw8=; b=hwqlbyL7rzkVrCvNNhFzRAh5bH hqRBcsVK/3aj3BF88MbgwbuS1GyL2iFquky5u3Ilu5Y+WPTVCH72YX4XUETh96dVlYYGYO5o3jNwA LTTD0ukaG8H5i+7NRHfrBDKl/eePr3vJVVGs6tkuZb6gA2LK3IeV5b6GfIRht+qRWTT0=; Received: from p200300ccff4d09001a3da2fffebfd33a.dip0.t-ipconnect.de ([2003:cc:ff4d:900:1a3d:a2ff:febf:d33a] helo=aktux) by mail.andi.de1.cc with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1lLOWA-0003bA-H9; Sun, 14 Mar 2021 12:02:42 +0100 Received: from andi by aktux with local (Exim 4.92) (envelope-from ) id 1lLOW9-0001Ls-9U; Sun, 14 Mar 2021 12:02:41 +0100 From: Andreas Kemnade To: lee.jones@linaro.org, linux-kernel@vger.kernel.org Cc: Andreas Kemnade Subject: [PATCH] mfd: rn5t618: Do not cache various USB related registers Date: Sun, 14 Mar 2021 12:02:36 +0100 Message-Id: <20210314110236.5149-1-andreas@kemnade.info> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org These register get reset to their OTP defaults after USB plugging. And while at it, also add a missing register for detecting the charger type. Signed-off-by: Andreas Kemnade --- drivers/mfd/rn5t618.c | 3 +++ include/linux/mfd/rn5t618.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c index dc452df1f1bf..6ed04e6dbc78 100644 --- a/drivers/mfd/rn5t618.c +++ b/drivers/mfd/rn5t618.c @@ -45,8 +45,11 @@ static bool rn5t618_volatile_reg(struct device *dev, unsigned int reg) case RN5T618_INTMON: case RN5T618_RTC_CTRL1 ... RN5T618_RTC_CTRL2: case RN5T618_RTC_SECONDS ... RN5T618_RTC_YEAR: + case RN5T618_CHGCTL1: + case RN5T618_REGISET1 ... RN5T618_REGISET2: case RN5T618_CHGSTATE: case RN5T618_CHGCTRL_IRR ... RN5T618_CHGERR_MONI: + case RN5T618_GCHGDET: case RN5T618_CONTROL ... RN5T618_CC_AVEREG0: return true; default: diff --git a/include/linux/mfd/rn5t618.h b/include/linux/mfd/rn5t618.h index fba0df13d9a8..8aa0bda1af4f 100644 --- a/include/linux/mfd/rn5t618.h +++ b/include/linux/mfd/rn5t618.h @@ -188,6 +188,7 @@ #define RN5T618_CHGOSCSCORESET3 0xd7 #define RN5T618_CHGOSCFREQSET1 0xd8 #define RN5T618_CHGOSCFREQSET2 0xd9 +#define RN5T618_GCHGDET 0xda #define RN5T618_CONTROL 0xe0 #define RN5T618_SOC 0xe1 #define RN5T618_RE_CAP_H 0xe2 -- 2.29.2