1 files changed, 0 insertions, 102 deletions
diff --git a/arch/powerpc/platforms/wsp/msi.c b/arch/powerpc/platforms/wsp/msi.c
deleted file mode 100644
index 380882f27add..000000000000
--- a/arch/powerpc/platforms/wsp/msi.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * Copyright 2011 Michael Ellerman, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/msi.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-
-#include "msi.h"
-#include "ics.h"
-#include "wsp_pci.h"
-
-/* Magic addresses for 32 & 64-bit MSIs with hardcoded MVE 0 */
-#define MSI_ADDR_32		0xFFFF0000ul
-#define MSI_ADDR_64		0x1000000000000000ul
-
-int wsp_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
-{
-	struct pci_controller *phb;
-	struct msi_desc *entry;
-	struct msi_msg msg;
-	unsigned int virq;
-	int hwirq;
-
-	phb = pci_bus_to_host(dev->bus);
-	if (!phb)
-		return -ENOENT;
-
-	entry = list_first_entry(&dev->msi_list, struct msi_desc, list);
-	if (entry->msi_attrib.is_64) {
-		msg.address_lo = 0;
-		msg.address_hi = MSI_ADDR_64 >> 32;
-	} else {
-		msg.address_lo = MSI_ADDR_32;
-		msg.address_hi = 0;
-	}
-
-	list_for_each_entry(entry, &dev->msi_list, list) {
-		hwirq = wsp_ics_alloc_irq(phb->dn, 1);
-		if (hwirq < 0) {
-			dev_warn(&dev->dev, "wsp_msi: hwirq alloc failed!\n");
-			return hwirq;
-		}
-
-		virq = irq_create_mapping(NULL, hwirq);
-		if (virq == NO_IRQ) {
-			dev_warn(&dev->dev, "wsp_msi: virq alloc failed!\n");
-			return -1;
-		}
-
-		dev_dbg(&dev->dev, "wsp_msi: allocated irq %#x/%#x\n",
-			hwirq, virq);
-
-		wsp_ics_set_msi_chip(virq);
-		irq_set_msi_desc(virq, entry);
-		msg.data = hwirq & XIVE_ADDR_MASK;
-		write_msi_msg(virq, &msg);
-	}
-
-	return 0;
-}
-
-void wsp_teardown_msi_irqs(struct pci_dev *dev)
-{
-	struct pci_controller *phb;
-	struct msi_desc *entry;
-	int hwirq;
-
-	phb = pci_bus_to_host(dev->bus);
-
-	dev_dbg(&dev->dev, "wsp_msi: tearing down msi irqs\n");
-
-	list_for_each_entry(entry, &dev->msi_list, list) {
-		if (entry->irq == NO_IRQ)
-			continue;
-
-		irq_set_msi_desc(entry->irq, NULL);
-		wsp_ics_set_std_chip(entry->irq);
-
-		hwirq = virq_to_hw(entry->irq);
-		/* In this order to avoid racing with irq_create_mapping() */
-		irq_dispose_mapping(entry->irq);
-		wsp_ics_free_irq(phb->dn, hwirq);
-	}
-}
-
-void wsp_setup_phb_msi(struct pci_controller *phb)
-{
-	/* Create a single MVE at offset 0 that matches everything */
-	out_be64(phb->cfg_data + PCIE_REG_IODA_ADDR, PCIE_REG_IODA_AD_TBL_MVT);
-	out_be64(phb->cfg_data + PCIE_REG_IODA_DATA0, 1ull << 63);
-
-	ppc_md.setup_msi_irqs = wsp_setup_msi_irqs;
-	ppc_md.teardown_msi_irqs = wsp_teardown_msi_irqs;
-}