From 1b2ca32ab0b8311da84fe692522266b32ad4315e Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Fri, 10 Nov 2017 15:40:33 +0200
Subject: gpiolib: acpi: Introduce NO_RESTRICTION quirk

Allow to relax IoRestriction for certain cases.

One of the use case is incorrectly cooked ACPI table where interrupt pin is
defined with GpioIo() macro with IoRestrictionOutputOnly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 include/linux/acpi.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'include')

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 25fe77fccea0..06b6eb775115 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -978,6 +978,10 @@ struct acpi_gpio_mapping {
 	const char *name;
 	const struct acpi_gpio_params *data;
 	unsigned int size;
+
+/* Ignore IoRestriction field */
+#define ACPI_GPIO_QUIRK_NO_IO_RESTRICTION	BIT(0)
+
 	unsigned int quirks;
 };
 
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