Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 60 insertions, 0 deletions

diff --git a/drivers/gpio/gpiolib-acpi.h b/drivers/gpio/gpiolib-acpi.h
new file mode 100644
index 0000000000..0fcd7e14d7
--- /dev/null
+++ b/drivers/gpio/gpiolib-acpi.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * ACPI helpers for GPIO API
+ *
+ * Copyright (C) 2012,2019 Intel Corporation
+ */
+
+#ifndef GPIOLIB_ACPI_H
+#define GPIOLIB_ACPI_H
+
+#include <linux/err.h>
+#include <linux/types.h>
+
+#include <linux/gpio/consumer.h>
+
+struct device;
+struct fwnode_handle;
+
+struct gpio_chip;
+struct gpio_desc;
+struct gpio_device;
+
+#ifdef CONFIG_ACPI
+void acpi_gpiochip_add(struct gpio_chip *chip);
+void acpi_gpiochip_remove(struct gpio_chip *chip);
+
+void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
+void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
+
+struct gpio_desc *acpi_find_gpio(struct fwnode_handle *fwnode,
+				 const char *con_id,
+				 unsigned int idx,
+				 enum gpiod_flags *dflags,
+				 unsigned long *lookupflags);
+
+int acpi_gpio_count(struct device *dev, const char *con_id);
+#else
+static inline void acpi_gpiochip_add(struct gpio_chip *chip) { }
+static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { }
+
+static inline void
+acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
+
+static inline void
+acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { }
+
+static inline struct gpio_desc *
+acpi_find_gpio(struct fwnode_handle *fwnode, const char *con_id,
+	       unsigned int idx, enum gpiod_flags *dflags,
+	       unsigned long *lookupflags)
+{
+	return ERR_PTR(-ENOENT);
+}
+static inline int acpi_gpio_count(struct device *dev, const char *con_id)
+{
+	return -ENODEV;
+}
+#endif
+
+#endif /* GPIOLIB_ACPI_H */