sparc: Remove SBUS layer resource and irq handling.
All the drivers use OF device objects now for this
information.
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
---
arch/sparc/include/asm/sbus_32.h | 15 -----
arch/sparc/include/asm/sbus_64.h | 16 -----
arch/sparc/kernel/ioport.c | 27 --------
arch/sparc64/kernel/sbus.c | 4 -
drivers/sbus/sbus.c | 124 +-------------------------------------
5 files changed, 1 insertions(+), 185 deletions(-)
diff --git a/arch/sparc/include/asm/sbus_32.h b/arch/sparc/include/asm/sbus_32.h
index 81ea0f6..8f5900b 100644
--- a/arch/sparc/include/asm/sbus_32.h
+++ b/arch/sparc/include/asm/sbus_32.h
@@ -51,17 +51,6 @@ struct sbus_dev {
int prom_node;
char prom_name[64];
int slot;
-
- struct resource resource[PROMREG_MAX];
-
- struct linux_prom_registers reg_addrs[PROMREG_MAX];
- int num_registers;
-
- struct linux_prom_ranges device_ranges[PROMREG_MAX];
- int num_device_ranges;
-
- unsigned int irqs[4];
- int num_irqs;
};
#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev)
@@ -73,9 +62,6 @@ struct sbus_bus {
int prom_node; /* PROM device tree node for this SBus */
char prom_name[64]; /* Usually "sbus" or "sbi" */
int clock_freq;
-
- struct linux_prom_ranges sbus_ranges[PROMREG_MAX];
- int num_sbus_ranges;
};
#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev)
@@ -103,7 +89,6 @@ sbus_is_slave(struct sbus_dev *dev)
void prom_adjust_ranges(struct linux_prom_ranges *, int,
struct linux_prom_ranges *, int);
-extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *);
extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *);
extern int sbus_arch_preinit(void);
extern void sbus_arch_postinit(void);
diff --git a/arch/sparc/include/asm/sbus_64.h b/arch/sparc/include/asm/sbus_64.h
index 2b2562e..75f95ff 100644
--- a/arch/sparc/include/asm/sbus_64.h
+++ b/arch/sparc/include/asm/sbus_64.h
@@ -51,17 +51,6 @@ struct sbus_dev {
int prom_node;
char prom_name[64];
int slot;
-
- struct resource resource[PROMREG_MAX];
-
- struct linux_prom_registers reg_addrs[PROMREG_MAX];
- int num_registers;
-
- struct linux_prom_ranges device_ranges[PROMREG_MAX];
- int num_device_ranges;
-
- unsigned int irqs[4];
- int num_irqs;
};
#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev)
@@ -73,10 +62,6 @@ struct sbus_bus {
int prom_node; /* OBP node of SBUS */
char prom_name[64]; /* Usually "sbus" or "sbi" */
int clock_freq;
-
- struct linux_prom_ranges sbus_ranges[PROMREG_MAX];
- int num_sbus_ranges;
-
int portid;
};
#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev)
@@ -94,7 +79,6 @@ extern struct sbus_bus *sbus_root;
for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \
for ((device) = (bus)->devices; (device); (device) = (device)->next)
-extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *);
extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *);
extern int sbus_arch_preinit(void);
extern void sbus_arch_postinit(void);
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 0e47830..d82a810 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -394,33 +394,6 @@ void sbus_dma_sync_single_for_device(struct device *dev, dma_addr_t ba, size_t s
}
/* Support code for sbus_init(). */
-/*
- * XXX This functions appears to be a distorted version of
- * prom_sbus_ranges_init(), with all sun4d stuff cut away.
- * Ask DaveM what is going on here, how is sun4d supposed to work... XXX
- */
-/* added back sun4d patch from Thomas Bogendoerfer - should be OK (crn) */
-void __init sbus_arch_bus_ranges_init(struct device_node *pn, struct sbus_bus *sbus)
-{
- int parent_node = pn->node;
-
- if (sparc_cpu_model == sun4d) {
- struct linux_prom_ranges iounit_ranges[PROMREG_MAX];
- int num_iounit_ranges, len;
-
- len = prom_getproperty(parent_node, "ranges",
- (char *) iounit_ranges,
- sizeof (iounit_ranges));
- if (len != -1) {
- num_iounit_ranges =
- (len / sizeof(struct linux_prom_ranges));
- prom_adjust_ranges(sbus->sbus_ranges,
- sbus->num_sbus_ranges,
- iounit_ranges, num_iounit_ranges);
- }
- }
-}
-
void __init sbus_setup_iommu(struct sbus_bus *sbus, struct device_node *dp)
{
#ifndef CONFIG_SUN4
diff --git a/arch/sparc64/kernel/sbus.c b/arch/sparc64/kernel/sbus.c
index 60fac2d..0193e38 100644
--- a/arch/sparc64/kernel/sbus.c
+++ b/arch/sparc64/kernel/sbus.c
@@ -650,10 +650,6 @@ fatal_memory_error:
prom_printf("sbus_iommu_init: Fatal memory allocation error.\n");
}
-void __init sbus_arch_bus_ranges_init(struct device_node *pn, struct sbus_bus *sbus)
-{
-}
-
void __init sbus_setup_iommu(struct sbus_bus *sbus, struct device_node *dp)
{
sbus_iommu_init(dp->node, sbus);
diff --git a/drivers/sbus/sbus.c b/drivers/sbus/sbus.c
index 08f4667..89eb922 100644
--- a/drivers/sbus/sbus.c
+++ b/drivers/sbus/sbus.c
@@ -51,38 +51,11 @@ static void __init fill_sbus_device_iommu(struct sbus_dev *sdev)
static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sdev)
{
struct dev_archdata *sd;
- unsigned long base;
- const void *pval;
- int len, err;
+ int err;
sdev->prom_node = dp->node;
strcpy(sdev->prom_name, dp->name);
- pval = of_get_property(dp, "reg", &len);
- sdev->num_registers = 0;
- if (pval) {
- memcpy(sdev->reg_addrs, pval, len);
-
- sdev->num_registers =
- len / sizeof(struct linux_prom_registers);
-
- base = (unsigned long) sdev->reg_addrs[0].phys_addr;
-
- /* Compute the slot number. */
- if (base >= SUN_SBUS_BVADDR && sparc_cpu_model == sun4m)
- sdev->slot = sbus_dev_slot(base);
- else
- sdev->slot = sdev->reg_addrs[0].which_io;
- }
-
- pval = of_get_property(dp, "ranges", &len);
- sdev->num_device_ranges = 0;
- if (pval) {
- memcpy(sdev->device_ranges, pval, len);
- sdev->num_device_ranges =
- len / sizeof(struct linux_prom_ranges);
- }
-
sd = &sdev->ofdev.dev.archdata;
sd->prom_node = dp;
sd->op = &sdev->ofdev;
@@ -105,97 +78,6 @@ static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sde
fill_sbus_device_iommu(sdev);
}
-static void __init sbus_bus_ranges_init(struct device_node *dp, struct sbus_bus *sbus)
-{
- const void *pval;
- int len;
-
- pval = of_get_property(dp, "ranges", &len);
- sbus->num_sbus_ranges = 0;
- if (pval) {
- memcpy(sbus->sbus_ranges, pval, len);
- sbus->num_sbus_ranges =
- len / sizeof(struct linux_prom_ranges);
-
- sbus_arch_bus_ranges_init(dp->parent, sbus);
- }
-}
-
-static void __init __apply_ranges_to_regs(struct linux_prom_ranges *ranges,
- int num_ranges,
- struct linux_prom_registers *regs,
- int num_regs)
-{
- if (num_ranges) {
- int regnum;
-
- for (regnum = 0; regnum < num_regs; regnum++) {
- int rngnum;
-
- for (rngnum = 0; rngnum < num_ranges; rngnum++) {
- if (regs[regnum].which_io == ranges[rngnum].ot_child_space)
- break;
- }
- if (rngnum == num_ranges) {
- /* We used to flag this as an error. Actually
- * some devices do not report the regs as we expect.
- * For example, see SUNW,pln device. In that case
- * the reg property is in a format internal to that
- * node, ie. it is not in the SBUS register space
- * per se. -DaveM
- */
- return;
- }
- regs[regnum].which_io = ranges[rngnum].ot_parent_space;
- regs[regnum].phys_addr -= ranges[rngnum].ot_child_base;
- regs[regnum].phys_addr += ranges[rngnum].ot_parent_base;
- }
- }
-}
-
-static void __init __fixup_regs_sdev(struct sbus_dev *sdev)
-{
- if (sdev->num_registers != 0) {
- struct sbus_dev *parent = sdev->parent;
- int i;
-
- while (parent != NULL) {
- __apply_ranges_to_regs(parent->device_ranges,
- parent->num_device_ranges,
- sdev->reg_addrs,
- sdev->num_registers);
-
- parent = parent->parent;
- }
-
- __apply_ranges_to_regs(sdev->bus->sbus_ranges,
- sdev->bus->num_sbus_ranges,
- sdev->reg_addrs,
- sdev->num_registers);
-
- for (i = 0; i < sdev->num_registers; i++) {
- struct resource *res = &sdev->resource[i];
-
- res->start = sdev->reg_addrs[i].phys_addr;
- res->end = (res->start +
- (unsigned long)sdev->reg_addrs[i].reg_size - 1UL);
- res->flags = IORESOURCE_IO |
- (sdev->reg_addrs[i].which_io & 0xff);
- }
- }
-}
-
-static void __init sbus_fixup_all_regs(struct sbus_dev *first_sdev)
-{
- struct sbus_dev *sdev;
-
- for (sdev = first_sdev; sdev; sdev = sdev->next) {
- if (sdev->child)
- sbus_fixup_all_regs(sdev->child);
- __fixup_regs_sdev(sdev);
- }
-}
-
/* We preserve the "probe order" of these bus and device lists to give
* the same ordering as the old code.
*/
@@ -263,8 +145,6 @@ static void __init build_one_sbus(struct device_node *dp, int num_sbus)
strcpy(sbus->prom_name, dp->name);
- sbus_bus_ranges_init(dp, sbus);
-
sbus->ofdev.node = dp;
sbus->ofdev.dev.parent = NULL;
sbus->ofdev.dev.bus = &sbus_bus_type;
@@ -295,8 +175,6 @@ static void __init build_one_sbus(struct device_node *dp, int num_sbus)
}
dev_dp = dev_dp->sibling;
}
-
- sbus_fixup_all_regs(sbus->devices);
}
static int __init sbus_init(void)
--
1.5.6.5.GIT
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