AcoSail/kernel_optimize_test
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Input: ti_am335x_tsc: Mark IRQ as wakeup capable

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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 <vigneshr@ti.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Vignesh R 2018-06-30 16:03:18 +05:30 committed by Lee Jones
parent 9eea8326f4
commit 7a39915b72
1 changed files with 6 additions and 0 deletions
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6
drivers/input/touchscreen/ti_am335x_tsc.c
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@ -27,6 +27,7 @@
#include <linux/of.h> #include <linux/of.h>
#include <linux/of_device.h> #include <linux/of_device.h>
#include <linux/sort.h> #include <linux/sort.h>
#include <linux/pm_wakeirq.h>
#include <linux/mfd/ti_am335x_tscadc.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); 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_IRQSTATUS, TSC_IRQENB_MASK);
titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_FIFO0THRES); titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_FIFO0THRES);
@ -471,6 +475,7 @@ static int titsc_probe(struct platform_device *pdev)
return 0; return 0;
err_free_irq: err_free_irq:
dev_pm_clear_wake_irq(&pdev->dev);
device_init_wakeup(&pdev->dev, false); device_init_wakeup(&pdev->dev, false);
free_irq(ts_dev->irq, ts_dev); free_irq(ts_dev->irq, ts_dev);
err_free_mem: err_free_mem:
@ -484,6 +489,7 @@ static int titsc_remove(struct platform_device *pdev)
struct titsc *ts_dev = platform_get_drvdata(pdev); struct titsc *ts_dev = platform_get_drvdata(pdev);
u32 steps; u32 steps;
dev_pm_clear_wake_irq(&pdev->dev);
device_init_wakeup(&pdev->dev, false); device_init_wakeup(&pdev->dev, false);
free_irq(ts_dev->irq, ts_dev); free_irq(ts_dev->irq, ts_dev);