Commit ac9cd170 authored by Rashmica Gupta's avatar Rashmica Gupta Committed by Michael Ellerman
Browse files

powerpc/pseries: Remove MPIC from pseries event sources 



MPIC was only used by Power3 which is now unsupported, so remove MPIC
code. XICS is now the only supported interrupt controller for
pSeries so do some cleanups too.

Signed-off-by: default avatarRashmica Gupta <rashmicy@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 8324947d

arch/powerpc/platforms/pseries/event_sources.c

+13 −40
Original line number Diff line number Diff line
@@ -26,34 +26,8 @@ void request_event_sources_irqs(struct device_node *np, 
{

	int i, index, count = 0;

	struct of_phandle_args oirq;

	const u32 *opicprop;

	unsigned int opicplen;

	unsigned int virqs[16];



	/* Check for obsolete "open-pic-interrupt" property. If present, then

	 * map those interrupts using the default interrupt host and default

	 * trigger

	 */

	opicprop = of_get_property(np, "open-pic-interrupt", &opicplen);

	if (opicprop) {

		opicplen /= sizeof(u32);

		for (i = 0; i < opicplen; i++) {

			if (count > 15)

				break;

			virqs[count] = irq_create_mapping(NULL, *(opicprop++));

			if (virqs[count] == NO_IRQ) {

				pr_err("event-sources: Unable to allocate "

				       "interrupt number for %s\n",

				       np->full_name);

				WARN_ON(1);

			}

			else

				count++;



		}

	}

	/* Else use normal interrupt tree parsing */

	else {

	/* First try to do a proper OF tree parsing */

	for (index = 0; of_irq_parse_one(np, index, &oirq) == 0;

	     index++) {
@@ -65,8 +39,7 @@ void request_event_sources_irqs(struct device_node *np, 
			       "interrupt number for %s\n",

			       np->full_name);

			WARN_ON(1);

			}

			else

		} else {

			count++;

		}

	}

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