linux-kernel - [PATCH] gpiolib: Add stubs for gpiod lookup table interface

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Date:   Mon, 24 Apr 2017 16:04:22 +0200
From:   Anatolij Gustschin <agust@...x.de>
To:     linux-gpio@...r.kernel.org
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Courbot <gnurou@...il.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] gpiolib: Add stubs for gpiod lookup table interface

Add stubs for gpiod_add_lookup_table() and gpiod_remove_lookup_table()
for the !GPIOLIB case to prevent build errors. Also add prototypes.

Signed-off-by: Anatolij Gustschin <agust@...x.de>
---
 include/linux/gpio/consumer.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
index 933d936..6c0cc67 100644
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -144,6 +144,11 @@ struct gpio_desc *devm_fwnode_get_index_gpiod_from_child(struct device *dev,
 						enum gpiod_flags flags,
 						const char *label);
 
+struct gpiod_lookup_table;
+
+void gpiod_add_lookup_table(struct gpiod_lookup_table *table);
+void gpiod_remove_lookup_table(struct gpiod_lookup_table *table);
+
 #else /* CONFIG_GPIOLIB */
 
 static inline int gpiod_count(struct device *dev, const char *con_id)
@@ -435,6 +440,16 @@ struct gpio_desc *devm_fwnode_get_index_gpiod_from_child(struct device *dev,
 	return ERR_PTR(-ENOSYS);
 }
 
+struct gpiod_lookup_table;
+
+static inline void gpiod_add_lookup_table(struct gpiod_lookup_table *table)
+{
+}
+
+static inline void gpiod_remove_lookup_table(struct gpiod_lookup_table *table)
+{
+}
+
 #endif /* CONFIG_GPIOLIB */
 
 static inline
-- 
2.7.4