Re: [PATCH v1 1/4] arm64: dts: qcom: qrb2210-rb1: Fix UART3 wakeup IRQ storm

[Konrad Dybcio]

On 11/10/25 11:10 AM, Praveen Talari wrote:
> For BT use cases, pins are configured with pull-up state in sleep state
> to avoid noise. If IRQ type is configured as level high and the GPIO line
> is also in a high state, it causes continuous interrupt assertions leading
> to an IRQ storm when wakeup irq enables at system suspend/runtime suspend.
> 
> Switching to edge-triggered interrupt (IRQ_TYPE_EDGE_FALLING) resolves
> this by only triggering on state transitions (high-to-low) rather than
> maintaining sensitivity to the static level state, effectively preventing
> the continuous interrupt condition and eliminating the wakeup IRQ storm.
> 
> Fixes: 9380e0a1d449 ("arm64: dts: qcom: qrb2210-rb1: add Bluetooth support")
> Signed-off-by: Praveen Talari <praveen.talari@xxxxxxxxxxxxxxxx>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>

Konrad