From 69517e88bea6ac19626dbff16cdc5e4a9f55cc25 Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Fri, 12 Feb 2016 08:29:11 +0000
Subject: kernel: gpio-button-hotplug: update to use threaded irq's
Many gpio controllers 'cansleep' due to the fact that they are behind busses
e.g. i2c etc.
Using threaded irq's allows for 'sleep-able' gpio's to be used.
Signed-off-by: Pushpal Sidhu <psidhu@gateworks.com>
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
SVN-Revision: 48696
---
.../kernel/gpio-button-hotplug/src/gpio-button-hotplug.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
(limited to 'package/kernel/gpio-button-hotplug/src/gpio-button-hotplug.c')
diff --git a/package/kernel/gpio-button-hotplug/src/gpio-button-hotplug.c b/package/kernel/gpio-button-hotplug/src/gpio-button-hotplug.c
index 029a388d0e..6d1a197d61 100644
--- a/package/kernel/gpio-button-hotplug/src/gpio-button-hotplug.c
+++ b/package/kernel/gpio-button-hotplug/src/gpio-button-hotplug.c
@@ -555,20 +555,17 @@ static int gpio_keys_probe(struct platform_device *pdev)
struct gpio_keys_button *button = &pdata->buttons[i];
struct gpio_keys_button_data *bdata = &bdev->data[i];
- if (bdata->can_sleep) {
- dev_err(&pdev->dev, "skipping gpio:%d, it can sleep\n", button->gpio);
- continue;
- }
if (!button->irq)
button->irq = gpio_to_irq(button->gpio);
if (button->irq < 0) {
dev_err(&pdev->dev, "failed to get irq for gpio:%d\n", button->gpio);
continue;
}
- ret = devm_request_irq(&pdev->dev, button->irq, button_handle_irq,
- IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
- dev_name(&pdev->dev), bdata);
- if (ret)
+
+ ret = devm_request_threaded_irq(&pdev->dev, button->irq, NULL, button_handle_irq,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ dev_name(&pdev->dev), bdata);
+ if (ret < 0)
dev_err(&pdev->dev, "failed to request irq:%d for gpio:%d\n", button->irq, button->gpio);
else
dev_dbg(&pdev->dev, "gpio:%d has irq:%d\n", button->gpio, button->irq);
--
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