From patchwork Mon Dec 23 20:46:00 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephen Boyd X-Patchwork-Id: 3398231 Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id CE9EEC0D4A for ; Mon, 23 Dec 2013 20:46:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EFFBD20145 for ; Mon, 23 Dec 2013 20:46:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1CC1D20148 for ; Mon, 23 Dec 2013 20:46:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757468Ab3LWUqL (ORCPT ); Mon, 23 Dec 2013 15:46:11 -0500 Received: from smtp.codeaurora.org ([198.145.11.231]:39391 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757654Ab3LWUqI (ORCPT ); Mon, 23 Dec 2013 15:46:08 -0500 Received: from smtp.codeaurora.org (localhost [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id 3041513EFA2; Mon, 23 Dec 2013 20:46:08 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 486) id 2384F13EFA3; Mon, 23 Dec 2013 20:46:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from sboyd-linux.qualcomm.com (i-global252.qualcomm.com [199.106.103.252]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: sboyd@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 7061013EF97; Mon, 23 Dec 2013 20:46:07 +0000 (UTC) From: Stephen Boyd To: Samuel Ortiz , Lee Jones Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Mark Brown Subject: [PATCH v2 4/7] mfd: ssbi: Add regmap read/write helpers Date: Mon, 23 Dec 2013 12:46:00 -0800 Message-Id: <1387831563-13535-5-git-send-email-sboyd@codeaurora.org> X-Mailer: git-send-email 1.8.5.1.163.gd7aced9 In-Reply-To: <1387831563-13535-1-git-send-email-sboyd@codeaurora.org> References: <1387831563-13535-1-git-send-email-sboyd@codeaurora.org> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add read and write helper functions that the pm8921-core driver can use to read and write ssbi regsiters via a "no-bus" regmap. Cc: Mark Brown Signed-off-by: Stephen Boyd --- drivers/mfd/ssbi.c | 13 +++++++++++++ include/linux/ssbi.h | 3 +++ 2 files changed, 16 insertions(+) diff --git a/drivers/mfd/ssbi.c b/drivers/mfd/ssbi.c index b78942e..c5d270f 100644 --- a/drivers/mfd/ssbi.c +++ b/drivers/mfd/ssbi.c @@ -269,6 +269,19 @@ int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len) } EXPORT_SYMBOL_GPL(ssbi_write); +int ssbi_reg_read(void *context, unsigned int reg, unsigned int *val) +{ + *val = 0; + return ssbi_read(context, reg, (u8 *)val, 1); +} +EXPORT_SYMBOL_GPL(ssbi_reg_read); + +int ssbi_reg_write(void *context, unsigned int reg, unsigned int val) +{ + return ssbi_write(context, reg, (u8 *)&val, 1); +} +EXPORT_SYMBOL_GPL(ssbi_reg_write); + static int ssbi_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; diff --git a/include/linux/ssbi.h b/include/linux/ssbi.h index bcbb642..b862f3d 100644 --- a/include/linux/ssbi.h +++ b/include/linux/ssbi.h @@ -20,4 +20,7 @@ int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len); int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len); +int ssbi_reg_read(void *context, unsigned int reg, unsigned int *val); +int ssbi_reg_write(void *context, unsigned int reg, unsigned int val); + #endif