sparc64: Kill unused local ISA bus layer.

No more drivers use this, and therefore it can die.

Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 1 insertions, 196 deletions

diff --git a/arch/sparc64/kernel/Makefile b/arch/sparc64/kernel/Makefile
index 029558222c8f..2bd0340b743d 100644
--- a/arch/sparc64/kernel/Makefile
+++ b/arch/sparc64/kernel/Makefile
@@ -15,7 +15,7 @@ obj-y		:= process.o setup.o cpu.o idprom.o \
                    visemul.o prom.o of_device.o hvapi.o sstate.o mdesc.o
 
 obj-$(CONFIG_STACKTRACE) += stacktrace.o
-obj-$(CONFIG_PCI)        += ebus.o isa.o pci_common.o \
+obj-$(CONFIG_PCI)        += ebus.o pci_common.o \
                             pci_psycho.o pci_sabre.o pci_schizo.o \
                             pci_sun4v.o pci_sun4v_asm.o pci_fire.o
 obj-$(CONFIG_PCI_MSI)   += pci_msi.o
diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c
deleted file mode 100644
index a2af5ed784c9..000000000000
--- a/arch/sparc64/kernel/isa.c
+++ /dev/null
@@ -1,191 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-#include <asm/oplib.h>
-#include <asm/prom.h>
-#include <asm/of_device.h>
-#include <asm/isa.h>
-
-struct sparc_isa_bridge *isa_chain;
-
-static void __init fatal_err(const char *reason)
-{
-        prom_printf("ISA: fatal error, %s.\n", reason);
-}
-
-static void __init report_dev(struct sparc_isa_device *isa_dev, int child)
-{
-        if (child)
-                printk(" (%s)", isa_dev->prom_node->name);
-        else
-                printk(" [%s", isa_dev->prom_node->name);
-}
-
-static void __init isa_dev_get_resource(struct sparc_isa_device *isa_dev)
-{
-        struct of_device *op = of_find_device_by_node(isa_dev->prom_node);
-
-        memcpy(&isa_dev->resource, &op->resource[0], sizeof(struct resource));
-}
-
-static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev)
-{
-        struct of_device *op = of_find_device_by_node(isa_dev->prom_node);
-
-        if (!op || !op->num_irqs) {
-                isa_dev->irq = PCI_IRQ_NONE;
-        } else {
-                isa_dev->irq = op->irqs[0];
-        }
-}
-
-static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev)
-{
-        struct device_node *dp = parent_isa_dev->prom_node->child;
-
-        if (!dp)
-                return;
-
-        printk(" ->");
-        while (dp) {
-                struct sparc_isa_device *isa_dev;
-
-                isa_dev = kzalloc(sizeof(*isa_dev), GFP_KERNEL);
-                if (!isa_dev) {
-                        fatal_err("cannot allocate child isa_dev");
-                        prom_halt();
-                }
-
-                /* Link it in to parent. */
-                isa_dev->next = parent_isa_dev->child;
-                parent_isa_dev->child = isa_dev;
-
-                isa_dev->bus = parent_isa_dev->bus;
-                isa_dev->prom_node = dp;
-
-                isa_dev_get_resource(isa_dev);
-                isa_dev_get_irq(isa_dev);
-
-                report_dev(isa_dev, 1);
-
-                dp = dp->sibling;
-        }
-}
-
-static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br)
-{
-        struct device_node *dp = isa_br->prom_node->child;
-
-        while (dp) {
-                struct sparc_isa_device *isa_dev;
-                struct dev_archdata *sd;
-
-                isa_dev = kzalloc(sizeof(*isa_dev), GFP_KERNEL);
-                if (!isa_dev) {
-                        printk(KERN_DEBUG "ISA: cannot allocate isa_dev");
-                        return;
-                }
-
-                sd = &isa_dev->ofdev.dev.archdata;
-                sd->prom_node = dp;
-                sd->op = &isa_dev->ofdev;
-                sd->iommu = isa_br->ofdev.dev.parent->archdata.iommu;
-                sd->stc = isa_br->ofdev.dev.parent->archdata.stc;
-                sd->numa_node = isa_br->ofdev.dev.parent->archdata.numa_node;
-
-                isa_dev->ofdev.node = dp;
-                isa_dev->ofdev.dev.parent = &isa_br->ofdev.dev;
-                isa_dev->ofdev.dev.bus = &isa_bus_type;
-                sprintf(isa_dev->ofdev.dev.bus_id, "isa[%08x]", dp->node);
-
-                /* Register with core */
-                if (of_device_register(&isa_dev->ofdev) != 0) {
-                        printk(KERN_DEBUG "isa: device registration error for %s!\n",
-                               dp->path_component_name);
-                        kfree(isa_dev);
-                        goto next_sibling;
-                }
-
-                /* Link it in. */
-                isa_dev->next = NULL;
-                if (isa_br->devices == NULL) {
-                        isa_br->devices = isa_dev;
-                } else {
-                        struct sparc_isa_device *tmp = isa_br->devices;
-
-                        while (tmp->next)
-                                tmp = tmp->next;
-
-                        tmp->next = isa_dev;
-                }
-
-                isa_dev->bus = isa_br;
-                isa_dev->prom_node = dp;
-
-                isa_dev_get_resource(isa_dev);
-                isa_dev_get_irq(isa_dev);
-
-                report_dev(isa_dev, 0);
-
-                isa_fill_children(isa_dev);
-
-                printk("]");
-
-        next_sibling:
-                dp = dp->sibling;
-        }
-}
-
-void __init isa_init(void)
-{
-        struct pci_dev *pdev;
-        unsigned short vendor, device;
-        int index = 0;
-
-        vendor = PCI_VENDOR_ID_AL;
-        device = PCI_DEVICE_ID_AL_M1533;
-
-        pdev = NULL;
-        while ((pdev = pci_get_device(vendor, device, pdev)) != NULL) {
-                struct sparc_isa_bridge *isa_br;
-                struct device_node *dp;
-
-                dp = pci_device_to_OF_node(pdev);
-
-                isa_br = kzalloc(sizeof(*isa_br), GFP_KERNEL);
-                if (!isa_br) {
-                        printk(KERN_DEBUG "isa: cannot allocate sparc_isa_bridge");
-                        pci_dev_put(pdev);
-                        return;
-                }
-
-                isa_br->ofdev.node = dp;
-                isa_br->ofdev.dev.parent = &pdev->dev;
-                isa_br->ofdev.dev.bus = &isa_bus_type;
-                sprintf(isa_br->ofdev.dev.bus_id, "isa%d", index);
-
-                /* Register with core */
-                if (of_device_register(&isa_br->ofdev) != 0) {
-                        printk(KERN_DEBUG "isa: device registration error for %s!\n",
-                               dp->path_component_name);
-                        kfree(isa_br);
-                        pci_dev_put(pdev);
-                        return;
-                }
-
-                /* Link it in. */
-                isa_br->next = isa_chain;
-                isa_chain = isa_br;
-
-                isa_br->self = pdev;
-                isa_br->index = index++;
-                isa_br->prom_node = dp;
-
-                printk("isa%d:", isa_br->index);
-
-                isa_fill_devices(isa_br);
-
-                printk("\n");
-        }
-}
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 49f912766519..dbf2fc2f4d87 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -23,7 +23,6 @@
 #include <asm/pgtable.h>
 #include <asm/irq.h>
 #include <asm/ebus.h>
-#include <asm/isa.h>
 #include <asm/prom.h>
 #include <asm/apb.h>
 
@@ -885,7 +884,6 @@ static int __init pcibios_init(void)
 
         pci_scan_each_controller_bus();
 
-        isa_init();
         ebus_init();
         power_init();
 
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index 66336590e830..8ac0b99f2c55 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -49,7 +49,6 @@
 #endif
 #ifdef CONFIG_PCI
 #include <asm/ebus.h>
-#include <asm/isa.h>
 #endif
 #include <asm/ns87303.h>
 #include <asm/timer.h>
@@ -187,7 +186,6 @@ EXPORT_SYMBOL(insw);
 EXPORT_SYMBOL(insl);
 #ifdef CONFIG_PCI
 EXPORT_SYMBOL(ebus_chain);
-EXPORT_SYMBOL(isa_chain);
 EXPORT_SYMBOL(pci_alloc_consistent);
 EXPORT_SYMBOL(pci_free_consistent);
 EXPORT_SYMBOL(pci_map_single);