From patchwork Mon Jul 9 18:30:06 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 941557 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=amarulasolutions.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=amarulasolutions.com header.i=@amarulasolutions.com header.b="dl8uu53f"; dkim-atps=neutral Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 41PYtg0tztz9rxs for ; Tue, 10 Jul 2018 04:35:55 +1000 (AEST) Received: by lists.denx.de (Postfix, from userid 105) id C4896C21DEC; Mon, 9 Jul 2018 18:32:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, T_DKIM_INVALID autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 3E355C21EB1; Mon, 9 Jul 2018 18:31:20 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 24981C21DF3; Mon, 9 Jul 2018 18:30:47 +0000 (UTC) Received: from mail-pg1-f195.google.com (mail-pg1-f195.google.com [209.85.215.195]) by lists.denx.de (Postfix) with ESMTPS id E229AC21E34 for ; Mon, 9 Jul 2018 18:30:43 +0000 (UTC) Received: by mail-pg1-f195.google.com with SMTP id n2-v6so1427814pgq.6 for ; Mon, 09 Jul 2018 11:30:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=sJfQqj9kfVo89z1tLA73pVsFeiC2AFBtKF+Y6vHUb6c=; b=dl8uu53f38hMqmgD6+6O/F2D0d91ryjWmdrscHunSKeLjVfuayP35Xb1LOg26Mml0S SMg46Al7Q/odfOLrGQJ2xD4EHwJy4MABUo2lTb+3HP8iU4gRrhhV7j+qLvjDcupiroiF ULc7OOK16VqeUeMcaWAoeDrRJ7y1fzVz+SxgI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=sJfQqj9kfVo89z1tLA73pVsFeiC2AFBtKF+Y6vHUb6c=; b=GzXyL8+XwsSgl3hyKsyDN8H93p92+y+kae37PVADSpluG0RE498K7Igkf1FiQ7ddk0 XapdSPJp9K7y5xNm3lUQGyuiVLNm6G9V9hTNmX383Ho7yBpKq1lKDJZPpCym46cXkH3l IzZqm4Pyb1H2j1qh6qPq3ZbTgdwQXvZwPKva0wh/GsnfMFn+0duiv7Pe8Q4FEgO8x8bb iP/BMwg+xKqk2XHTKao5Do6BtDzYBjfEMddNhYHoYfIVRAWHcsYlr6SOMYVXrDMPOl1m kRJ2EP1WYenzttDbPMXmR5fLDENaaqSu19qrl8H+beW8xuLBYjxCNSssH3C0R7pZPcUZ XWIw== X-Gm-Message-State: APt69E05lEHsPdYzHLB0RvXP4mBZmFlZl6H+c+Gh9rdeFAt+sRps+dkX JUnLQPvv7SxgyCqQJtsTf+qeQQ== X-Google-Smtp-Source: AAOMgpcC+wHd+buGmjxPP+LH/BHInA6Mos33cizZcFcsiHQoe3VlvuIrCyiGzcnZSz1A7KEbZwSuSA== X-Received: by 2002:a65:6411:: with SMTP id a17-v6mr19479261pgv.287.1531161042506; Mon, 09 Jul 2018 11:30:42 -0700 (PDT) Received: from localhost.localdomain ([115.97.190.51]) by smtp.gmail.com with ESMTPSA id n5-v6sm26832456pgd.7.2018.07.09.11.30.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 09 Jul 2018 11:30:42 -0700 (PDT) From: Jagan Teki To: Stefano Babic , Fabio Estevam , Peng Fan , Joe Hershberger Date: Tue, 10 Jul 2018 00:00:06 +0530 Message-Id: <20180709183009.19206-6-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180709183009.19206-1-jagan@amarulasolutions.com> References: <20180709183009.19206-1-jagan@amarulasolutions.com> Cc: u-boot@lists.denx.de Subject: [U-Boot] [RFC 5/8] clk: Add generic_clk_valid X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Add clock validate function for validating specific clock to do further clock operations. Signed-off-by: Jagan Teki Reviewed-by: Simon Glass --- include/clk-uclass.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/clk-uclass.h b/include/clk-uclass.h index e76d98e2f6..452eed008e 100644 --- a/include/clk-uclass.h +++ b/include/clk-uclass.h @@ -100,4 +100,14 @@ struct clk_ops { int (*disable)(struct clk *clk); }; +/** + * generic_clk_valid() - check if clk port is valid + * + * @clk: the clk port to check + * @return TRUE if valid, or FALSE + */ +static inline bool generic_clk_valid(struct clk *clk) +{ + return clk->dev != NULL; +} #endif