Re: [PATCH] powerpc: Lack! of! ibm,io-events! not! that! important!

[Michael Neuling <mikey@neuling.org>]

In message <20110801153004.0e8af5df@kryten> you wrote:
> 
> 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.

NAK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mikey

PS :-)
PPS !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


> Signed-off-by: Anton Blanchard <anton@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;
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