From patchwork Sun Jun 29 16:21:44 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andre Heider X-Patchwork-Id: 4444821 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 556849F32E for ; Sun, 29 Jun 2014 16:26:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9C02F2034E for ; Sun, 29 Jun 2014 16:26:56 +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 D70FC2024D for ; Sun, 29 Jun 2014 16:26:55 +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 1X1HuQ-0005bX-AQ; Sun, 29 Jun 2014 16:24:54 +0000 Received: from mail-wi0-x22d.google.com ([2a00:1450:400c:c05::22d]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1X1Hs6-0003Ob-1m for linux-arm-kernel@lists.infradead.org; Sun, 29 Jun 2014 16:22:31 +0000 Received: by mail-wi0-f173.google.com with SMTP id cc10so4898982wib.0 for ; Sun, 29 Jun 2014 09:22:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=1DRO9LrIAz8Ar+KgYKX0hBHrs/BMv7aIb1PTgfs0VZk=; b=y79JnPJlQ8eEJp2JEYyFz/Avw4RNvymxTfznHQ+uPNRjMPN6l4bm+hcAASKmus6D4J Ln0P7G+Wx+eDNIj4kf0ZUv4waBgGkvWxnLJykDXUm5p/U/4RPkV7122dL7MwWOitrkXR 704F0wGb35o2EHVg2feZ+YiO2OjZQpIZBXyYvlIYVhBKVJ+LyfEIvFEF4VLvB0dSYcfQ pE6t9nxfG1QwYkGq71i0vK7oHt341IMS2eSbLJ7Hog5WvL6eixYa7jjutzVDj5J9zsag T4QODTE2DWELrPvOgciFU8Hy4iBAWt9MvlJwOUNz5gxCqOzkuBUDkExHc1VtWVb74TT+ 7eZA== X-Received: by 10.194.77.238 with SMTP id v14mr2763602wjw.103.1404058927330; Sun, 29 Jun 2014 09:22:07 -0700 (PDT) Received: from mamamia.internal (a89-182-10-130.net-htp.de. [89.182.10.130]) by mx.google.com with ESMTPSA id gh16sm21137573wic.3.2014.06.29.09.22.05 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 29 Jun 2014 09:22:06 -0700 (PDT) From: Andre Heider To: linux-omap@vger.kernel.org Subject: [PATCH 10/13] uio: uio_pruss: add runtime pm support Date: Sun, 29 Jun 2014 18:21:44 +0200 Message-Id: <1404058907-21112-11-git-send-email-a.heider@gmail.com> X-Mailer: git-send-email 2.0.0 In-Reply-To: <1404058907-21112-1-git-send-email-a.heider@gmail.com> References: <1404058907-21112-1-git-send-email-a.heider@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140629_092230_270208_6D099CCF X-CRM114-Status: GOOD ( 12.06 ) X-Spam-Score: -0.1 (/) Cc: devicetree@vger.kernel.org, Paul Walmsley , Tony Lindgren , Greg Kroah-Hartman , Matt Porter , "Hans J . Koch" , =?UTF-8?q?Beno=C3=AEt=20Cousson?= , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 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=-1.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, T_DKIM_INVALID, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=no 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 enables the hwmod's associated clocks and gets the device in a working state. Signed-off-by: Andre Heider --- drivers/uio/uio_pruss.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c index 2df54ab..28a1c1f 100644 --- a/drivers/uio/uio_pruss.c +++ b/drivers/uio/uio_pruss.c @@ -27,6 +27,7 @@ #include #include #include +#include #define DRV_NAME "pruss_uio" #define DRV_VERSION "1.0" @@ -125,6 +126,7 @@ static void pruss_cleanup(struct device *dev, struct uio_pruss_dev *gdev) gdev->sram_vaddr, sram_pool_sz); clk_put(gdev->pruss_clk); + pm_runtime_disable(dev); } static int pruss_probe(struct platform_device *pdev) @@ -164,6 +166,13 @@ static int pruss_probe(struct platform_device *pdev) gdev->pintc_base = pdata->pintc_base; } + pm_runtime_enable(dev); + ret = pm_runtime_get_sync(dev); + if (IS_ERR_VALUE(ret)) { + dev_err(dev, "pm_runtime_get_sync() failed\n"); + goto out_free; + } + regs_prussio = platform_get_resource(pdev, IORESOURCE_MEM, 0); gdev->prussio_vaddr = devm_ioremap_resource(dev, regs_prussio); if (IS_ERR(gdev->prussio_vaddr)) {