From: Dinh Nguyen <dinguyen@kernel.org> stable inclusion from stable-v5.10.121 commit ec029087dfef70a89c5ff0c6433bd4da211cbbad category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5L6CQ Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=... -------------------------------- commit 3a21c3ac93aff7b4522b152399df8f6a041df56d upstream. update documentation to correctly state the interrupt-cells to be 2. Cc: stable@vger.kernel.org Fixes: 4fd9bbc6e071 ("drivers/gpio: Altera soft IP GPIO driver devicetree binding") Signed-off-by: Dinh Nguyen <dinguyen@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> Acked-by: Xie XiuQi <xiexiuqi@huawei.com> --- Documentation/devicetree/bindings/gpio/gpio-altera.txt | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/gpio/gpio-altera.txt b/Documentation/devicetree/bindings/gpio/gpio-altera.txt index 146e554b3c67..2a80e272cd66 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-altera.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-altera.txt @@ -9,8 +9,9 @@ Required properties: - The second cell is reserved and is currently unused. - gpio-controller : Marks the device node as a GPIO controller. - interrupt-controller: Mark the device node as an interrupt controller -- #interrupt-cells : Should be 1. The interrupt type is fixed in the hardware. +- #interrupt-cells : Should be 2. The interrupt type is fixed in the hardware. - The first cell is the GPIO offset number within the GPIO controller. + - The second cell is the interrupt trigger type and level flags. - interrupts: Specify the interrupt. - altr,interrupt-type: Specifies the interrupt trigger type the GPIO hardware is synthesized. This field is required if the Altera GPIO controller @@ -38,6 +39,6 @@ gpio_altr: gpio@ff200000 { altr,interrupt-type = <IRQ_TYPE_EDGE_RISING>; #gpio-cells = <2>; gpio-controller; - #interrupt-cells = <1>; + #interrupt-cells = <2>; interrupt-controller; }; -- 2.20.1