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 <[email protected]> --- 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 2ce2edf8ec8ec182..718f01cd1aea19f6 100644 --- a/drivers/irqchip/irq-renesas-irqc.c +++ b/drivers/irqchip/irq-renesas-irqc.c @@ -29,6 +29,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/platform_data/irq-renesas-irqc.h> +#include <linux/pm_runtime.h> #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; } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
