From patchwork Mon Mar 30 21:57:17 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivas Kandagatla X-Patchwork-Id: 6125611 Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4BD1B9F349 for ; Mon, 30 Mar 2015 21:57:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7F65C2043C for ; Mon, 30 Mar 2015 21:57:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E0D4F2044B for ; Mon, 30 Mar 2015 21:57:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753788AbbC3V52 (ORCPT ); Mon, 30 Mar 2015 17:57:28 -0400 Received: from mail-wi0-f172.google.com ([209.85.212.172]:36824 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753783AbbC3V5X (ORCPT ); Mon, 30 Mar 2015 17:57:23 -0400 Received: by wibg7 with SMTP id g7so2185824wib.1 for ; Mon, 30 Mar 2015 14:57:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=PhUQAQ+5MMZY788DDa5d8uUpMhHRgdIzOSFw/dkrlWw=; b=mD0fLTDNz4nBITHmHu3ttalGC6f3hykdvMYZhHbgRDMh8lij2C6bFS+yg80n19lf+0 9QdsTo8uJqyR1B4+dzczDGrp8RvNqYg95pKfUw8gPg0Il0px/s2OKe2wW1Z5DoxCowjW iCtGLkEWhL0g9jMv/7K0ogKqoJxk+eHRLKeuH7WPSvsz+M2y106Fa0KP9uDMkxbsBG+Z LbT3Ga0300lthQANhiE4oLeym3Jepe3nB+IGl+2Y9RpaaH1yUu5TWF86noBWxBupHxvO ADO7OH0+qQ6wNKe5AjiLKt142nhMS8ZP/5CrgmpYg3EIm/rTCDrH4vIEsiPHDZsRpBdC UJRA== X-Gm-Message-State: ALoCoQn1sy790FFjiZP5foZLz7i68/AZGOh5JvVBpTtwKNHszoCwo1FxD63DfMWZF5cqnC+hpjv1 X-Received: by 10.180.72.175 with SMTP id e15mr26970232wiv.28.1427752641458; Mon, 30 Mar 2015 14:57:21 -0700 (PDT) Received: from srini-ThinkPad-X1-Carbon-2nd.dlink.com (host-78-145-247-151.as13285.net. [78.145.247.151]) by mx.google.com with ESMTPSA id at4sm17531384wjc.16.2015.03.30.14.57.19 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 30 Mar 2015 14:57:20 -0700 (PDT) From: Srinivas Kandagatla To: linux-arm-kernel@lists.infradead.org Cc: Maxime Ripard , Rob Herring , Kumar Gala , Mark Brown , s.hauer@pengutronix.de, Greg Kroah-Hartman , linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, arnd@arndb.de, sboyd@codeaurora.org, Srinivas Kandagatla Subject: [PATCH v4 02/10] regmap: Introduce regmap_get_reg_stride. Date: Mon, 30 Mar 2015 22:57:17 +0100 Message-Id: <1427752637-17131-1-git-send-email-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1427752492-17039-1-git-send-email-srinivas.kandagatla@linaro.org> References: <1427752492-17039-1-git-send-email-srinivas.kandagatla@linaro.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch introduces regmap_get_reg_stride() function which would be used by the infrastructures like eeprom framework built on top of regmap. Mostly this function would be used for sanity checks on inputs within such infrastructure. Signed-off-by: Srinivas Kandagatla --- drivers/base/regmap/regmap.c | 12 ++++++++++++ include/linux/regmap.h | 7 +++++++ 2 files changed, 19 insertions(+) diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index d703921..ac44d43 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -2629,6 +2629,18 @@ int regmap_get_max_register(struct regmap *map) } EXPORT_SYMBOL_GPL(regmap_get_max_register); +/** + * regmap_get_reg_stride(): Report the register address stride + * + * Report the register address stride, mainly intended to for use by + * generic infrastructure built on top of regmap. + */ +int regmap_get_reg_stride(struct regmap *map) +{ + return map->reg_stride; +} +EXPORT_SYMBOL_GPL(regmap_get_reg_stride); + int regmap_parse_val(struct regmap *map, const void *buf, unsigned int *val) { diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 2d87ded..59c55ea 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -434,6 +434,7 @@ int regmap_update_bits_check_async(struct regmap *map, unsigned int reg, bool *change); int regmap_get_val_bytes(struct regmap *map); int regmap_get_max_register(struct regmap *map); +int regmap_get_reg_stride(struct regmap *map); int regmap_async_complete(struct regmap *map); bool regmap_can_raw_write(struct regmap *map); @@ -683,6 +684,12 @@ static inline int regmap_get_max_register(struct regmap *map) return -EINVAL; } +static inline int regmap_get_reg_stride(struct regmap *map) +{ + WARN_ONCE(1, "regmap API is disabled"); + return -EINVAL; +} + static inline int regcache_sync(struct regmap *map) { WARN_ONCE(1, "regmap API is disabled");