The ibm,io-events code is a bit verbose with its error messages. Reverse the reporting so we only print when we successfully enable I/O event interrupts.
Signed-off-by: Anton Blanchard <an...@samba.org> --- Index: linux-powerpc/arch/powerpc/platforms/pseries/io_event_irq.c =================================================================== --- linux-powerpc.orig/arch/powerpc/platforms/pseries/io_event_irq.c 2011-07-26 08:50:11.291231586 +1000 +++ linux-powerpc/arch/powerpc/platforms/pseries/io_event_irq.c 2011-07-26 08:51:39.992772071 +1000 @@ -212,17 +212,15 @@ static int __init ioei_init(void) struct device_node *np; ioei_check_exception_token = rtas_token("check-exception"); - if (ioei_check_exception_token == RTAS_UNKNOWN_SERVICE) { - pr_warning("IO Event IRQ not supported on this system !\n"); + if (ioei_check_exception_token == RTAS_UNKNOWN_SERVICE) return -ENODEV; - } + np = of_find_node_by_path("/event-sources/ibm,io-events"); if (np) { request_event_sources_irqs(np, ioei_interrupt, "IO_EVENT"); + pr_info("IBM I/O event interrupts enabled\n"); of_node_put(np); } else { - pr_err("io_event_irq: No ibm,io-events on system! " - "IO Event interrupt disabled.\n"); return -ENODEV; } return 0; _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev