From 51b05f6b8a7dfa2c85988e506d3107144a13b975 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Wed, 18 Mar 2015 19:55:56 +0100 Subject: [PATCH] irqchip: renesas-irqc: Add minimal runtime PM support This is just enough to let pm_clk_*() enable the functional clock, and manage it for suspend/resume, if present. Before, it was assumed enabled by the bootloader or reset state. Signed-off-by: Geert Uytterhoeven Reviewed-by: Simon Horman Link: https://lkml.kernel.org/r/1426704961-27322-3-git-send-email-geert+renesas@glider.be Signed-off-by: Jason Cooper --- drivers/irqchip/irq-renesas-irqc.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c index 44fe04a..2fe9612 100644 --- a/drivers/irqchip/irq-renesas-irqc.c +++ b/drivers/irqchip/irq-renesas-irqc.c @@ -29,6 +29,7 @@ #include #include #include +#include #define IRQC_IRQ_MAX 32 /* maximum 32 interrupts per driver instance */ @@ -180,6 +181,9 @@ static int irqc_probe(struct platform_device *pdev) p->pdev = pdev; platform_set_drvdata(pdev, p); + pm_runtime_enable(&pdev->dev); + pm_runtime_get_sync(&pdev->dev); + /* get hold of manadatory IOMEM */ io = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!io) { @@ -260,6 +264,8 @@ err3: err2: iounmap(p->iomem); err1: + pm_runtime_put(&pdev->dev); + pm_runtime_disable(&pdev->dev); kfree(p); err0: return ret; @@ -275,6 +281,8 @@ static int irqc_remove(struct platform_device *pdev) irq_domain_remove(p->irq_domain); iounmap(p->iomem); + pm_runtime_put(&pdev->dev); + pm_runtime_disable(&pdev->dev); kfree(p); return 0; } -- 2.7.4