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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@baylibre.com>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2019-11-22 14:26:15 +01:00
parent 4e29b70d54
commit 41c4616bb8
1 changed files with 4 additions and 0 deletions
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4
drivers/gpio/TODO
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@ -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