On Sat, Jun 30, 2018 at 04:03:18PM +0530, Vignesh R wrote: > On AM335x, ti_am335x_tsc can wake up the system from suspend, mark the > IRQ as wakeup capable, so that device irq is not disabled during system > suspend. > > Signed-off-by: Vignesh R <vigne...@ti.com>
Acked-by: Dmitry Torokhov <dmitry.torok...@gmail.com> > --- > drivers/input/touchscreen/ti_am335x_tsc.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/input/touchscreen/ti_am335x_tsc.c > b/drivers/input/touchscreen/ti_am335x_tsc.c > index a4f25a915ffc..9e8684ab48f4 100644 > --- a/drivers/input/touchscreen/ti_am335x_tsc.c > +++ b/drivers/input/touchscreen/ti_am335x_tsc.c > @@ -27,6 +27,7 @@ > #include <linux/of.h> > #include <linux/of_device.h> > #include <linux/sort.h> > +#include <linux/pm_wakeirq.h> > > #include <linux/mfd/ti_am335x_tscadc.h> > > @@ -439,6 +440,9 @@ static int titsc_probe(struct platform_device *pdev) > } > > device_init_wakeup(&pdev->dev, true); > + err = dev_pm_set_wake_irq(&pdev->dev, ts_dev->irq); > + if (err) > + dev_err(&pdev->dev, "irq wake enable failed.\n"); > > titsc_writel(ts_dev, REG_IRQSTATUS, TSC_IRQENB_MASK); > titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_FIFO0THRES); > @@ -471,6 +475,7 @@ static int titsc_probe(struct platform_device *pdev) > return 0; > > err_free_irq: > + dev_pm_clear_wake_irq(&pdev->dev); > device_init_wakeup(&pdev->dev, false); > free_irq(ts_dev->irq, ts_dev); > err_free_mem: > @@ -484,6 +489,7 @@ static int titsc_remove(struct platform_device *pdev) > struct titsc *ts_dev = platform_get_drvdata(pdev); > u32 steps; > > + dev_pm_clear_wake_irq(&pdev->dev); > device_init_wakeup(&pdev->dev, false); > free_irq(ts_dev->irq, ts_dev); > > -- > 2.18.0 > -- Dmitry
