From patchwork Wed Sep 16 06:23:18 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajendra Nayak X-Patchwork-Id: 7191201 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 [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id D40979F380 for ; Wed, 16 Sep 2015 06:29:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 00EFB20875 for ; Wed, 16 Sep 2015 06:29:47 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 152E62086E for ; Wed, 16 Sep 2015 06:29:46 +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 1Zc6AO-0004pe-Jo; Wed, 16 Sep 2015 06:26:04 +0000 Received: from merlin.infradead.org ([2001:4978:20e::2]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zc6A5-0004i3-6V for linux-arm-kernel@bombadil.infradead.org; Wed, 16 Sep 2015 06:25:45 +0000 Received: from smtp.codeaurora.org ([198.145.29.96]) by merlin.infradead.org with esmtps (Exim 4.85 #2 (Red Hat Linux)) id 1Zc6A3-0008L7-Eu for linux-arm-kernel@lists.infradead.org; Wed, 16 Sep 2015 06:25:44 +0000 Received: from smtp.codeaurora.org (localhost [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id 1CA571408EF; Wed, 16 Sep 2015 06:25:20 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 486) id ECA131408FA; Wed, 16 Sep 2015 06:25:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from blr-ubuntu-34.ap.qualcomm.com (unknown [202.46.23.61]) (using TLSv1.1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: rnayak@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 0F9D11408EF; Wed, 16 Sep 2015 06:25:14 +0000 (UTC) From: Rajendra Nayak To: linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, rui.zhang@intel.com, edubezval@gmail.com Subject: [PATCH v2 4/9] clk: qcom: create virtual child device for TSENS Date: Wed, 16 Sep 2015 11:53:18 +0530 Message-Id: <1442384603-26053-5-git-send-email-rnayak@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1442384603-26053-1-git-send-email-rnayak@codeaurora.org> References: <1442384603-26053-1-git-send-email-rnayak@codeaurora.org> X-Virus-Scanned: ClamAV using ClamSMTP X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150916_022543_571747_E3D21A5E X-CRM114-Status: GOOD ( 15.72 ) X-Spam-Score: -2.6 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: srinivas.kandagatla@linaro.org, Rajendra Nayak , sboyd@codeaurora.org, lina.iyer@linaro.org, nrajan@codeaurora.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 8960 family of devices have TSENS as part of GCC in hardware. Hence DT would represent a GCC node with GCC properties as well as TSENS. Create a virtual platform child device here for TSENS so the driver can probe it and use the parent (GCC) to extract DT properties. Suggested-by: Stephen Boyd Signed-off-by: Rajendra Nayak --- drivers/clk/qcom/gcc-msm8960.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/drivers/clk/qcom/gcc-msm8960.c b/drivers/clk/qcom/gcc-msm8960.c index aa294b1..51db3a5 100644 --- a/drivers/clk/qcom/gcc-msm8960.c +++ b/drivers/clk/qcom/gcc-msm8960.c @@ -3506,6 +3506,8 @@ static int gcc_msm8960_probe(struct platform_device *pdev) struct clk *clk; struct device *dev = &pdev->dev; const struct of_device_id *match; + struct platform_device *tsens; + int ret; match = of_match_device(gcc_msm8960_match_table, &pdev->dev); if (!match) @@ -3520,7 +3522,26 @@ static int gcc_msm8960_probe(struct platform_device *pdev) if (IS_ERR(clk)) return PTR_ERR(clk); - return qcom_cc_probe(pdev, match->data); + ret = qcom_cc_probe(pdev, match->data); + if (ret) + return ret; + + tsens = platform_device_alloc("qcom-tsens", -1); + if (!tsens) { + ret = -ENOMEM; + goto err_alloc; + } + + tsens->dev.parent = &pdev->dev; + ret = platform_device_add(tsens); + if (ret) + goto err_add; + return 0; +err_add: + platform_device_put(tsens); +err_alloc: + qcom_cc_remove(pdev); + return ret; } static int gcc_msm8960_remove(struct platform_device *pdev)