1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/gpio/generic.h b/include/linux/gpio/generic.h
index 5a85ecbef8d2..4c0626b53ec9 100644
--- a/include/linux/gpio/generic.h
+++ b/include/linux/gpio/generic.h
@@ -100,6 +100,37 @@ gpio_generic_chip_set(struct gpio_generic_chip *chip, unsigned int offset,
 	return chip->gc.set(&chip->gc, offset, value);
 }
 
+/**
+ * gpio_generic_read_reg() - Read a register using the underlying callback.
+ * @chip: Generic GPIO chip to use.
+ * @reg: Register to read.
+ *
+ * Returns: value read from register.
+ */
+static inline unsigned long
+gpio_generic_read_reg(struct gpio_generic_chip *chip, void __iomem *reg)
+{
+	if (WARN_ON(!chip->gc.read_reg))
+		return 0;
+
+	return chip->gc.read_reg(reg);
+}
+
+/**
+ * gpio_generic_write_reg() - Write a register using the underlying callback.
+ * @chip: Generic GPIO chip to use.
+ * @reg: Register to write to.
+ * @val: New value to write.
+ */
+static inline void gpio_generic_write_reg(struct gpio_generic_chip *chip,
+					  void __iomem *reg, unsigned long val)
+{
+	if (WARN_ON(!chip->gc.write_reg))
+		return;
+
+	chip->gc.write_reg(reg, val);
+}
+
 #define gpio_generic_chip_lock(gen_gc) \
 	raw_spin_lock(&(gen_gc)->gc.bgpio_lock)