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-rw-r--r--include/linux/gpio/regmap.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/gpio/regmap.h b/include/linux/gpio/regmap.h
index a9f7b7faf57b..b9240e4156cc 100644
--- a/include/linux/gpio/regmap.h
+++ b/include/linux/gpio/regmap.h
@@ -30,7 +30,7 @@ struct regmap;
* @reg_dir_out_base: (Optional) out setting register base address
* @reg_stride: (Optional) May be set if the registers (of the
* same type, dat, set, etc) are not consecutive.
- * @ngpio_per_reg: Number of GPIOs per register
+ * @ngpio_per_reg: (Optional) Number of GPIOs per register
* @irq_domain: (Optional) IRQ domain if the controller is
* interrupt-capable
* @reg_mask_xlate: (Optional) Translates base address and GPIO