From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andre Heider 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> References: <1404058907-21112-1-git-send-email-a.heider@gmail.com> Return-path: In-Reply-To: <1404058907-21112-1-git-send-email-a.heider@gmail.com> Sender: linux-omap-owner@vger.kernel.org To: linux-omap@vger.kernel.org Cc: Matt Porter , "Hans J . Koch" , Greg Kroah-Hartman , =?UTF-8?q?Beno=C3=AEt=20Cousson?= , Paul Walmsley , Tony Lindgren , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org 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)) { -- 2.0.0