From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753556AbaBZS7k (ORCPT ); Wed, 26 Feb 2014 13:59:40 -0500 Received: from smtp.codeaurora.org ([198.145.11.231]:52639 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753367AbaBZS7d (ORCPT ); Wed, 26 Feb 2014 13:59:33 -0500 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 v4 4/8] mfd: ssbi: Add regmap read/write helpers Date: Wed, 26 Feb 2014 10:59:22 -0800 Message-Id: <1393441166-32692-5-git-send-email-sboyd@codeaurora.org> X-Mailer: git-send-email 1.9.0.1.gd5ccf8c In-Reply-To: <1393441166-32692-1-git-send-email-sboyd@codeaurora.org> References: <1393441166-32692-1-git-send-email-sboyd@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add read and write helper functions that the pm8921-core driver can use to read and write ssbi registers via a "no-bus" regmap. Cc: Mark Brown Signed-off-by: Stephen Boyd --- include/linux/ssbi.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/include/linux/ssbi.h b/include/linux/ssbi.h index bcbb642a7641..087b08a4d333 100644 --- a/include/linux/ssbi.h +++ b/include/linux/ssbi.h @@ -20,4 +20,24 @@ 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); +static inline int +ssbi_reg_read(void *context, unsigned int reg, unsigned int *val) +{ + int ret; + u8 v; + + ret = ssbi_read(context, reg, &v, 1); + if (!ret) + *val = v; + + return ret; +} + +static inline int +ssbi_reg_write(void *context, unsigned int reg, unsigned int val) +{ + u8 v = val; + return ssbi_write(context, reg, &v, 1); +} + #endif -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation