Last minute fixes for GPIO:

- Fix another ACPI problem with broken BIOSes.
 
 - Filter out the GPIO right events, making a very user-visible bug
   go away.
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Merge tag 'gpio-v4.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull last minute fixes for GPIO from Linus Walleij:

 - Fix another ACPI problem with broken BIOSes.

 - Filter out the right GPIO events, making a very user-visible bug go
   away.

* tag 'gpio-v4.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: acpi: Skip _AEI entries without a handler rather then aborting the scan
  gpiolib: fix filtering out unwanted events

drivers/gpio/gpiolib-acpi.c

@@ -201,7 +201,7 @@ static acpi_status acpi_gpiochip_request_interrupt(struct acpi_resource *ares,
 			handler = acpi_gpio_irq_handler_evt;
 	}
 	if (!handler)
-		return AE_BAD_PARAMETER;
+		return AE_OK;
 
 	pin = acpi_gpiochip_pin_to_gpio_offset(chip->gpiodev, pin);
 	if (pin < 0)

drivers/gpio/gpiolib.c

@@ -708,7 +708,8 @@ static irqreturn_t lineevent_irq_thread(int irq, void *p)
 
 	ge.timestamp = ktime_get_real_ns();
 
-	if (le->eflags & GPIOEVENT_REQUEST_BOTH_EDGES) {
+	if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE
+	    && le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) {
 		int level = gpiod_get_value_cansleep(le->desc);
 
 		if (level)