powerpc: Lack of ibm,io-events not that important!
Anton Blanchard [Sun, 31 Jul 2011 19:30:04 +0000 (19:30 +0000)]
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 <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

arch/powerpc/platforms/pseries/io_event_irq.c

index c829e60..2c4dd1f 100644 (file)
@@ -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;