| Message ID | 47ecd2d8efcf09f8ab47de87a7bcfafc82208776.1638538079.git.geert+renesas@glider.be (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Geert Uytterhoeven |
| Headers | show |
| Series | Input: gpio-keys - Interrupt-related fixes | expand |
On Fri, 03 Dec 2021 14:35:06 +0100, Geert Uytterhoeven wrote: > The "interrupts" property in the example looks weird: > - The type is not in the last cell, > - Level interrupts don't work well with gpio-keys, as they keep the > interrupt asserted as long as the key is pressed, causing an > interrupt storm. > > Use a more realistic falling-edge interrupt instead. > > Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> > --- > Documentation/devicetree/bindings/input/gpio-keys.yaml | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > Applied, thanks!
diff --git a/Documentation/devicetree/bindings/input/gpio-keys.yaml b/Documentation/devicetree/bindings/input/gpio-keys.yaml index 060a309ff8e7c757..dbe7ecc19ccb9423 100644 --- a/Documentation/devicetree/bindings/input/gpio-keys.yaml +++ b/Documentation/devicetree/bindings/input/gpio-keys.yaml @@ -142,7 +142,7 @@ examples: down { label = "GPIO Key DOWN"; linux,code = <108>; - interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; + interrupts = <1 IRQ_TYPE_EDGE_FALLING>; }; };
The "interrupts" property in the example looks weird: - The type is not in the last cell, - Level interrupts don't work well with gpio-keys, as they keep the interrupt asserted as long as the key is pressed, causing an interrupt storm. Use a more realistic falling-edge interrupt instead. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> --- Documentation/devicetree/bindings/input/gpio-keys.yaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)