From patchwork Tue May 13 11:57:32 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gabriel FERNANDEZ X-Patchwork-Id: 4167111 Return-Path: X-Original-To: patchwork-linux-arm@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 E65F6BFF02 for ; Tue, 13 May 2014 12:03:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2886820222 for ; Tue, 13 May 2014 12:03:00 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1681C2018A for ; Tue, 13 May 2014 12:02:59 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WkBNG-0000HL-Ki; Tue, 13 May 2014 11:59:58 +0000 Received: from mx07-00178001.pphosted.com ([62.209.51.94]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WkBMm-00082G-2A for linux-arm-kernel@lists.infradead.org; Tue, 13 May 2014 11:59:29 +0000 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.14.5/8.14.5) with SMTP id s4DBwHB6004601; Tue, 13 May 2014 13:58:31 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 1kuaf9syat-1 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=NOT); Tue, 13 May 2014 13:58:31 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id B4A7351; Tue, 13 May 2014 11:57:46 +0000 (GMT) Received: from mail7.sgp.st.com (unknown [164.129.223.81]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 7C03C16A83; Tue, 13 May 2014 11:57:46 +0000 (GMT) Received: from lmenx315.lme.st.com (lmenx315.lme.st.com [10.201.19.41]) by mail7.sgp.st.com (MOS 4.3.3-GA) with ESMTP id BZH20902 (AUTH frq07381); Tue, 13 May 2014 13:57:45 +0200 From: Gabriel FERNANDEZ To: mturquette@linaro.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, rdunlap@infradead.org Subject: [PATCH 1/2] clk: of: helper for determining flags properties Date: Tue, 13 May 2014 13:57:32 +0200 Message-Id: <1399982253-21079-2-git-send-email-gabriel.fernandez@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1399982253-21079-1-git-send-email-gabriel.fernandez@linaro.org> References: <1399982253-21079-1-git-send-email-gabriel.fernandez@linaro.org> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.11.96, 1.0.14, 0.0.0000 definitions=2014-05-13_03:2014-05-13, 2014-05-13, 1970-01-01 signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140513_045928_476192_D3CD5F57 X-CRM114-Status: UNSURE ( 9.08 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.7 (/) Cc: devicetree@vger.kernel.org, kernel@stlinux.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Gabriel Fernandez , Lee Jones , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,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 The patch provides a helper to get flags properties of a clock node. Signed-off-by: Gabriel Fernandez --- drivers/clk/clk.c | 11 +++++++++++ include/linux/clk-provider.h | 6 ++++++ 2 files changed, 17 insertions(+) diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 4d56220..cae8985 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2528,6 +2528,17 @@ const char *of_clk_get_parent_name(struct device_node *np, int index) } EXPORT_SYMBOL_GPL(of_clk_get_parent_name); +unsigned long of_clk_get_flags(struct device_node *np) +{ + unsigned long flags = 0; + + if (of_property_read_bool(np, "set-rate-parent")) + flags |= CLK_SET_RATE_PARENT; + + return flags; +} +EXPORT_SYMBOL_GPL(of_clk_get_flags); + struct clock_provider { of_clk_init_cb_t clk_init_cb; struct device_node *np; diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 59e2eb5..650bc10 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -519,6 +519,7 @@ int of_clk_get_parent_count(struct device_node *np); const char *of_clk_get_parent_name(struct device_node *np, int index); void of_clk_init(const struct of_device_id *matches); +unsigned long of_clk_get_flags(struct device_node *np); #else /* !CONFIG_OF */ @@ -546,6 +547,11 @@ static inline const char *of_clk_get_parent_name(struct device_node *np, { return NULL; } +static inline unsigned long of_clk_get_flags(struct device_node *np) +{ + return NULL; +} + #define of_clk_init(matches) \ { while (0); } #endif /* CONFIG_OF */