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Subject[PATCH 2/2] pinctrl: baytrail: Register GPIO chip after chip->to_irq is set
Date
From: Jin Yao <yao.jin@intel.com>

If chip->to_irq is NULL ACPI GPIO helpers don't register GPIO event
handlers thus preventing any ACPI GPIO triggered events. Solve this by
calling gpiochip_add() after we have set up drivers chip->to_irq hook.

Signed-off-by: Jin Yao <yao.jin@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/pinctrl/pinctrl-baytrail.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-baytrail.c b/drivers/pinctrl/pinctrl-baytrail.c
index 447f1dc25ea6..7c65c9dab215 100644
--- a/drivers/pinctrl/pinctrl-baytrail.c
+++ b/drivers/pinctrl/pinctrl-baytrail.c
@@ -527,12 +527,6 @@ static int byt_gpio_probe(struct platform_device *pdev)
gc->can_sleep = false;
gc->dev = dev;

- ret = gpiochip_add(gc);
- if (ret) {
- dev_err(&pdev->dev, "failed adding byt-gpio chip\n");
- return ret;
- }
-
/* set up interrupts */
irq_rc = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (irq_rc && irq_rc->start) {
@@ -550,6 +544,12 @@ static int byt_gpio_probe(struct platform_device *pdev)
irq_set_chained_handler(hwirq, byt_gpio_irq_handler);
}

+ ret = gpiochip_add(gc);
+ if (ret) {
+ dev_err(&pdev->dev, "failed adding byt-gpio chip\n");
+ return ret;
+ }
+
pm_runtime_enable(dev);

return 0;
--
2.0.0.rc2


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