From patchwork Tue Aug 1 04:54:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Raghavendra, Vignesh" X-Patchwork-Id: 796085 X-Patchwork-Delegate: cyrille.pitchen@atmel.com 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.infradead.org (client-ip=65.50.211.133; helo=bombadil.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="UYIlKeT2"; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.b="ynTQ6ed8"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xM3tG2Q9fz9s5L for ; Tue, 1 Aug 2017 14:55:50 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=CIZsTQaTqenDswyjhFJV8dI6eSwyGKPssmcGtlWbg6c=; b=UYIlKeT2iJH9j8 OSiFg799jSh+11vfAxze/lPtPaVQDCuR+GOXhvTordGapvR7D/hjl8/kjcjf5UwLi2O1r7dR1Akq/ TtK02dvKqwjHLMyxDgB8jY6f/rI1kRrnoY8bTtDyR+1GT+EBWOgO8CsiudI6MP2QT2biFmlWgJg5H NJb03yJgUgGtSekK7+0VPKEoxN5Tw9C5UxcIWjgwMxMmPqUQN3/h5kotQFUSmd1AuimhuFos8WMjX SB6HME7PyorVwuXdzRYnqK7OeRj+EVL/hxh4ZP/k5OSe3pE5vSnPJRP5LkkRGlwiMveN6ANKyhMUc F/an9dRCavxb47J8LAXw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dcPDa-0001sF-DG; Tue, 01 Aug 2017 04:55:42 +0000 Received: from lelnx194.ext.ti.com ([198.47.27.80]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dcPDH-0000HL-VG; Tue, 01 Aug 2017 04:55:25 +0000 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by lelnx194.ext.ti.com (8.15.1/8.15.1) with ESMTP id v714sbJW011128; Mon, 31 Jul 2017 23:54:37 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ti.com; s=ti-com-17Q1; t=1501563277; bh=hXKcwsMvyLD5foMV5dXJ5Ljuki/k+uGlkdBA47+7TH0=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=ynTQ6ed84oCnp1JrVzR1vSVkJTo4MdqLs/qxPw691LhZSDU1dQhUpZxGUTBjLbxOd O4HPBi8CvlLU+ZHdV2GgdqgF4ArPCKp+xHlfsjjds0XpDNDpu7/S5J86IuyuqTSQin QVw8MZj/e2giohqui1dvqFpRVVB0VpHblV8VI6Os= Received: from DLEE70.ent.ti.com (dlemailx.itg.ti.com [157.170.170.113]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id v714sbWh030999; Mon, 31 Jul 2017 23:54:37 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.294.0; Mon, 31 Jul 2017 23:54:37 -0500 Received: from a0132425.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id v714sN9I027903; Mon, 31 Jul 2017 23:54:34 -0500 From: Vignesh R To: Marek Vasut , Cyrille Pitchen , Rob Herring , Santosh Shilimkar Subject: [PATCH 3/7] mtd: spi-nor: cadence-quadspi: Add runtime PM support Date: Tue, 1 Aug 2017 10:24:30 +0530 Message-ID: <20170801045434.8733-4-vigneshr@ti.com> X-Mailer: git-send-email 2.13.3 In-Reply-To: <20170801045434.8733-1-vigneshr@ti.com> References: <20170801045434.8733-1-vigneshr@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170731_215524_169143_5DA652A9 X-CRM114-Status: GOOD ( 10.89 ) X-Spam-Score: -2.0 (--) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-2.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [198.47.27.80 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Vignesh R , linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Brian Norris , David Woodhouse , linux-arm-kernel@lists.infradead.org Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Add pm_runtime* calls to cadence-quadspi driver. This is required to switch on QSPI power domain on TI 66AK2G SoC during probe. Signed-off-by: Vignesh R --- drivers/mtd/spi-nor/cadence-quadspi.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c b/drivers/mtd/spi-nor/cadence-quadspi.c index 297c86a2d4a7..1e432916e00b 100644 --- a/drivers/mtd/spi-nor/cadence-quadspi.c +++ b/drivers/mtd/spi-nor/cadence-quadspi.c @@ -31,6 +31,7 @@ #include #include #include +#include #include #include #include @@ -1219,6 +1220,13 @@ static int cqspi_probe(struct platform_device *pdev) return -ENXIO; } + pm_runtime_enable(&pdev->dev); + ret = pm_runtime_get_sync(&pdev->dev); + if (ret < 0) { + pm_runtime_put_noidle(&pdev->dev); + return ret; + } + ret = clk_prepare_enable(cqspi->clk); if (ret) { dev_err(dev, "Cannot enable QSPI clock.\n"); @@ -1269,6 +1277,9 @@ static int cqspi_remove(struct platform_device *pdev) clk_disable_unprepare(cqspi->clk); + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + return 0; }