On 03/07/2025 00:14, Haren Myneni wrote:
> +static int __init enable_hvpipe_IRQ(void)
> +{
> + struct device_node *np;
> +
> + hvpipe_check_exception_token =
> rtas_function_token(RTAS_FN_CHECK_EXCEPTION);
> + if (hvpipe_check_exception_token == RTAS_UNKNOWN_SERVICE)
> + return -ENODEV;
> +
> + /* hvpipe events */
> + np = of_find_node_by_path("/event-sources/ibm,hvpipe-msg-events");
Undocumented ABI, NAK. Plus node names should not be used at all as
ABI... and naming does not follow DT spec/style, not sure if you care
about it, though.
> + if (np != NULL) {
> + request_event_sources_irqs(np, hvpipe_event_interrupt,
> + "HPIPE_EVENT");
> + of_node_put(np);
> + } else {
> + pr_err("Can not enable hvpipe event IRQ\n");
Best regards,
Krzysztof
