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extcon: usb-gpio: switch to use pm wakeirq apis

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Switch to use PM wakeirq APIs which automates wakeup IRQs
enabling/disabling and so allows to make code simpler.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Grygorii Strashko 2016-04-06 20:32:37 +03:00 committed by Chanwoo Choi
parent 33688abb28
commit 12bd0f323b
1 changed files with 6 additions and 13 deletions
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19
drivers/extcon/extcon-usb-gpio.c
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@ -24,6 +24,7 @@
#include <linux/module.h>
#include <linux/of_gpio.h>
#include <linux/platform_device.h>
#include <linux/pm_wakeirq.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
@ -141,7 +142,8 @@ static int usb_extcon_probe(struct platform_device *pdev)
}
platform_set_drvdata(pdev, info);
device_init_wakeup(dev, 1);
device_init_wakeup(dev, true);
dev_pm_set_wake_irq(dev, info->id_irq);
/* Perform initial detection */
usb_extcon_detect_cable(&info->wq_detcable.work);
@ -155,6 +157,9 @@ static int usb_extcon_remove(struct platform_device *pdev)
cancel_delayed_work_sync(&info->wq_detcable);
dev_pm_clear_wake_irq(&pdev->dev);
device_init_wakeup(&pdev->dev, false);
return 0;
}
@ -164,12 +169,6 @@ static int usb_extcon_suspend(struct device *dev)
struct usb_extcon_info *info = dev_get_drvdata(dev);
int ret = 0;
if (device_may_wakeup(dev)) {
ret = enable_irq_wake(info->id_irq);
if (ret)
return ret;
}
/*
* We don't want to process any IRQs after this point
* as GPIOs used behind I2C subsystem might not be
@ -185,12 +184,6 @@ static int usb_extcon_resume(struct device *dev)
struct usb_extcon_info *info = dev_get_drvdata(dev);
int ret = 0;
if (device_may_wakeup(dev)) {
ret = disable_irq_wake(info->id_irq);
if (ret)
return ret;
}
enable_irq(info->id_irq);
return ret;