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authorDavid S. Miller <davem@davemloft.net>2008-08-27 04:54:04 -0700
committerDavid S. Miller <davem@davemloft.net>2008-08-29 02:15:21 -0700
commit046e26a8ba10b8ceff822f8d91451ab6c1e08c4e (patch)
tree92e95380c0f7f6c5257023a59b88d4221d3f9744 /drivers/sbus
parent5059625ed8862e897760b86effff0f8a35989c0d (diff)
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sparc: Remove generic SBUS probing layer.
The individual SBUS IOMMU arch code now sets the IOMMU information directly into the OF device objects. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/sbus')
-rw-r--r--drivers/sbus/Makefile4
-rw-r--r--drivers/sbus/sbus.c170
2 files changed, 0 insertions, 174 deletions
diff --git a/drivers/sbus/Makefile b/drivers/sbus/Makefile
index 56f73318eba..e94dc25805f 100644
--- a/drivers/sbus/Makefile
+++ b/drivers/sbus/Makefile
@@ -2,8 +2,4 @@
# Makefile for the linux kernel.
#
-ifneq ($(ARCH),m68k)
-obj-y := sbus.o
-endif
-
obj-$(CONFIG_SBUSCHAR) += char/
diff --git a/drivers/sbus/sbus.c b/drivers/sbus/sbus.c
deleted file mode 100644
index 399567b7e15..00000000000
--- a/drivers/sbus/sbus.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/* sbus.c: SBus support routines.
- *
- * Copyright (C) 1995, 2006 David S. Miller (davem@davemloft.net)
- */
-
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/of_device.h>
-
-#include <asm/system.h>
-#include <asm/sbus.h>
-#include <asm/dma.h>
-#include <asm/oplib.h>
-#include <asm/prom.h>
-#include <asm/irq.h>
-
-static ssize_t
-show_sbusobppath_attr(struct device * dev, struct device_attribute * attr, char * buf)
-{
- struct sbus_dev *sbus;
-
- sbus = to_sbus_device(dev);
-
- return snprintf (buf, PAGE_SIZE, "%s\n", sbus->ofdev.node->full_name);
-}
-
-static DEVICE_ATTR(obppath, S_IRUSR | S_IRGRP | S_IROTH, show_sbusobppath_attr, NULL);
-
-static void __init fill_sbus_device_iommu(struct sbus_dev *sdev)
-{
- struct of_device *op = of_find_device_by_node(sdev->ofdev.node);
- struct dev_archdata *sd, *bus_sd;
- struct sbus_bus *sbus;
-
- sbus = sdev->bus;
- bus_sd = &sbus->ofdev.dev.archdata;
-
- sd = &sdev->ofdev.dev.archdata;
- sd->iommu = bus_sd->iommu;
- sd->stc = bus_sd->stc;
-
- sd = &op->dev.archdata;
- sd->iommu = bus_sd->iommu;
- sd->stc = bus_sd->stc;
-}
-
-static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sdev)
-{
- struct dev_archdata *sd;
- int err;
-
- sd = &sdev->ofdev.dev.archdata;
- sd->prom_node = dp;
- sd->op = &sdev->ofdev;
-
- sdev->ofdev.node = dp;
- if (sdev->parent)
- sdev->ofdev.dev.parent = &sdev->parent->ofdev.dev;
- else
- sdev->ofdev.dev.parent = &sdev->bus->ofdev.dev;
- sdev->ofdev.dev.bus = &sbus_bus_type;
- dev_set_name(&sdev->ofdev.dev, "sbus[%08x]", dp->node);
-
- if (of_device_register(&sdev->ofdev) != 0)
- printk(KERN_DEBUG "sbus: device registration error for %s!\n",
- dp->path_component_name);
-
- /* WE HAVE BEEN INVADED BY ALIENS! */
- err = sysfs_create_file(&sdev->ofdev.dev.kobj, &dev_attr_obppath.attr);
-
- fill_sbus_device_iommu(sdev);
-}
-
-static void __init sdev_insert(struct sbus_dev *sdev, struct sbus_dev **root)
-{
- while (*root)
- root = &(*root)->next;
- *root = sdev;
- sdev->next = NULL;
-}
-
-static void __init walk_children(struct device_node *dp, struct sbus_dev *parent, struct sbus_bus *sbus)
-{
- dp = dp->child;
- while (dp) {
- struct sbus_dev *sdev;
-
- sdev = kzalloc(sizeof(struct sbus_dev), GFP_ATOMIC);
- if (sdev) {
- sdev_insert(sdev, &parent->child);
-
- sdev->bus = sbus;
- sdev->parent = parent;
-
- fill_sbus_device(dp, sdev);
-
- walk_children(dp, sdev, sbus);
- }
- dp = dp->sibling;
- }
-}
-
-static void __init build_one_sbus(struct device_node *dp, int num_sbus)
-{
- struct device_node *dev_dp;
- struct sbus_bus *sbus;
-
- sbus = kzalloc(sizeof(struct sbus_bus), GFP_ATOMIC);
- if (!sbus)
- return;
-
- sbus_setup_iommu(sbus, dp);
-
- printk("sbus%d: ", num_sbus);
-
- sbus->ofdev.node = dp;
- sbus->ofdev.dev.parent = NULL;
- sbus->ofdev.dev.bus = &sbus_bus_type;
- dev_set_name(&sbus->ofdev.dev, "sbus%d", num_sbus);
-
- if (of_device_register(&sbus->ofdev) != 0)
- printk(KERN_DEBUG "sbus: device registration error for %s!\n",
- dev_name(&sbus->ofdev.dev));
-
- dev_dp = dp->child;
- while (dev_dp) {
- struct sbus_dev *sdev;
-
- sdev = kzalloc(sizeof(struct sbus_dev), GFP_ATOMIC);
- if (sdev) {
- sdev_insert(sdev, &sbus->devices);
-
- sdev->bus = sbus;
- sdev->parent = NULL;
- sdev->ofdev.dev.archdata.iommu =
- sbus->ofdev.dev.archdata.iommu;
- sdev->ofdev.dev.archdata.stc =
- sbus->ofdev.dev.archdata.stc;
-
- fill_sbus_device(dev_dp, sdev);
-
- walk_children(dev_dp, sdev, sbus);
- }
- dev_dp = dev_dp->sibling;
- }
-}
-
-static int __init sbus_init(void)
-{
- struct device_node *dp;
- const char *sbus_name = "sbus";
- int num_sbus = 0;
-
- if (sparc_cpu_model == sun4d)
- sbus_name = "sbi";
-
- for_each_node_by_name(dp, sbus_name) {
- build_one_sbus(dp, num_sbus);
- num_sbus++;
-
- }
-
- sbus_arch_postinit();
-
- return 0;
-}
-
-subsys_initcall(sbus_init);