[PATCH] gpio: Add TODO item for regmap helper

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Add a TODO item for a generic MMIO regmap helper.

Suggested-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
 drivers/gpio/TODO | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpio/TODO b/drivers/gpio/TODO
index 9c048f10c9ad..76f8c7ff18ff 100644
--- a/drivers/gpio/TODO
+++ b/drivers/gpio/TODO
@@ -80,6 +80,10 @@ Work items:
 - Look over and identify any remaining easily converted drivers and
   dry-code conversions to MMIO GPIO for maintainers to test
 
+- Expand the MMIO GPIO or write a new library for regmap-based I/O
+  helpers for GPIO drivers on regmap that simply use offsets
+  0..n in some register to drive GPIO lines
+
 - Expand the MMIO GPIO or write a new library for port-mapped I/O
   helpers (x86 inb()/outb()) and convert port-mapped I/O drivers to use
   this with dry-coding and sending to maintainers to test
-- 
2.23.0




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