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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ac9cd1709c
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: Rashmica Gupta <rashmicy@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/*
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* Copyright (C) 2001 Dave Engebretsen IBM Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <asm/prom.h>
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#include "pseries.h"
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void request_event_sources_irqs(struct device_node *np,
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irq_handler_t handler,
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const char *name)
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{
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int i, index, count = 0;
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struct of_phandle_args oirq;
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unsigned int virqs[16];
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/* First try to do a proper OF tree parsing */
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for (index = 0; of_irq_parse_one(np, index, &oirq) == 0;
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index++) {
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if (count > 15)
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break;
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virqs[count] = irq_create_of_mapping(&oirq);
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if (virqs[count] == NO_IRQ) {
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pr_err("event-sources: Unable to allocate "
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"interrupt number for %s\n",
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np->full_name);
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WARN_ON(1);
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} else {
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count++;
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}
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}
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/* Now request them */
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for (i = 0; i < count; i++) {
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if (request_irq(virqs[i], handler, 0, name, NULL)) {
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pr_err("event-sources: Unable to request interrupt "
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"%d for %s\n", virqs[i], np->full_name);
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WARN_ON(1);
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return;
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}
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}
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}
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