Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752202AbdIXLAZ (ORCPT ); Sun, 24 Sep 2017 07:00:25 -0400 Received: from lelnx193.ext.ti.com ([198.47.27.77]:12919 "EHLO lelnx193.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752041AbdIXLAW (ORCPT ); Sun, 24 Sep 2017 07:00:22 -0400 From: Vignesh R To: Marek Vasut , Cyrille Pitchen CC: David Woodhouse , Brian Norris , Boris Brezillon , Rob Herring , , , , Vignesh R , linux-arm-kernel Subject: [PATCH v3 5/5] mtd: spi-nor: cadence-quadspi: Add runtime PM support Date: Sun, 24 Sep 2017 16:29:24 +0530 Message-ID: <20170924105924.23923-6-vigneshr@ti.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20170924105924.23923-1-vigneshr@ti.com> References: <20170924105924.23923-1-vigneshr@ti.com> MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1271 Lines: 46 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 d9629e8f4798..2c8e6226d267 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 @@ -1224,6 +1225,13 @@ 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"); @@ -1275,6 +1283,9 @@ 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; } -- 2.14.1