From patchwork Tue Mar 24 22:30:00 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivas Kandagatla X-Patchwork-Id: 6086591 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 271C69F399 for ; Tue, 24 Mar 2015 22:33:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A2E9A201E4 for ; Tue, 24 Mar 2015 22:33:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ADB9E20034 for ; Tue, 24 Mar 2015 22:33:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752828AbbCXWdD (ORCPT ); Tue, 24 Mar 2015 18:33:03 -0400 Received: from mail-wg0-f47.google.com ([74.125.82.47]:33017 "EHLO mail-wg0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752632AbbCXWaF (ORCPT ); Tue, 24 Mar 2015 18:30:05 -0400 Received: by wgbcc7 with SMTP id cc7so6556110wgb.0 for ; Tue, 24 Mar 2015 15:30:04 -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=4Ka0ayYXGnI2j1aoNYu28nFtk7qxFkOVSCPkoKirq/Q=; b=TbMktdZzwJdBYATrvLdQg0YagfjJorXJoq2UCmSMKtfPFip8XAaUWGTfsKMrXMzAPV LelivLyS39K6v7ZZpX6AYZYNOnMVc3Bix+EX8FgNZBMS7h0lIcbZslqL5va6Pj9hBdMQ mMY5beNgHPHBo6oFEbL4FpjiU2mn5T4DNlCrcgRz86mPAQsEPtBL+92yrCHJC2wc3Qqe KCoYysc95pQYy0c1/harKBam/Oaift5YzMx/i7L6mOLJz/Ed+WDahGKN4TDeFMlCkMwC Xha6SYcae0zRoXYC5tYi2zL4m7P3htrwTpAjRlaqf99gF6EaKzdG/+5ILRwAycro6F0q z96g== X-Gm-Message-State: ALoCoQngsFVppEWnwmX7BlVl/VBsCZIklxjQZV4nsbQyFc+qXwlVerNSw6Ih1F1M68ZOMLHFYVQm X-Received: by 10.180.86.6 with SMTP id l6mr24185165wiz.18.1427236204532; Tue, 24 Mar 2015 15:30:04 -0700 (PDT) Received: from srini-ThinkPad-X1-Carbon-2nd.dlink.com (host-2-99-228-8.as13285.net. [2.99.228.8]) by mx.google.com with ESMTPSA id bd1sm17783779wib.13.2015.03.24.15.30.02 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 24 Mar 2015 15:30:03 -0700 (PDT) From: Srinivas Kandagatla To: linux-arm-kernel@lists.infradead.org Cc: Maxime Ripard , Rob Herring , Kumar Gala , Mark Brown , 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 v3 2/9] regmap: Introduce regmap_get_reg_stride. Date: Tue, 24 Mar 2015 22:30:00 +0000 Message-Id: <1427236200-18625-1-git-send-email-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1427236116-18531-1-git-send-email-srinivas.kandagatla@linaro.org> References: <1427236116-18531-1-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 | 11 +++++++++++ include/linux/regmap.h | 7 +++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 6fd234b..44d3d94 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -2628,6 +2628,17 @@ 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 c46dbf3..b58067c 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");