#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/module.h>
+#include <linux/pci.h>
#include <linux/poll.h>
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/wait.h>
+#include <asm/firmware.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <linux/mutex.h>
#include <asm/spu.h>
+#include <asm/spu_priv1.h>
#include <asm/mmu_context.h>
#include "interrupt.h"
+const struct spu_priv1_ops *spu_priv1_ops;
+
+EXPORT_SYMBOL_GPL(spu_priv1_ops);
+
static int __spu_trap_invalid_dma(struct spu *spu)
{
pr_debug("%s\n", __FUNCTION__);
- force_sig(SIGBUS, /* info, */ current);
+ spu->dma_callback(spu, SPE_EVENT_INVALID_DMA);
return 0;
}
static int __spu_trap_dma_align(struct spu *spu)
{
pr_debug("%s\n", __FUNCTION__);
- force_sig(SIGBUS, /* info, */ current);
+ spu->dma_callback(spu, SPE_EVENT_DMA_ALIGNMENT);
return 0;
}
static int __spu_trap_error(struct spu *spu)
{
pr_debug("%s\n", __FUNCTION__);
- force_sig(SIGILL, /* info, */ current);
+ spu->dma_callback(spu, SPE_EVENT_SPE_ERROR);
return 0;
}
{
struct spu_priv2 __iomem *priv2 = spu->priv2;
struct mm_struct *mm = spu->mm;
- u64 esid, vsid;
+ u64 esid, vsid, llp;
pr_debug("%s\n", __FUNCTION__);
}
esid = (ea & ESID_MASK) | SLB_ESID_V;
- vsid = (get_vsid(mm->context.id, ea) << SLB_VSID_SHIFT) | SLB_VSID_USER;
+#ifdef CONFIG_HUGETLB_PAGE
if (in_hugepage_area(mm->context, ea))
- vsid |= SLB_VSID_L;
+ llp = mmu_psize_defs[mmu_huge_psize].sllp;
+ else
+#endif
+ llp = mmu_psize_defs[mmu_virtual_psize].sllp;
+ vsid = (get_vsid(mm->context.id, ea) << SLB_VSID_SHIFT) |
+ SLB_VSID_USER | llp;
out_be64(&priv2->slb_index_W, spu->slb_replace);
out_be64(&priv2->slb_vsid_RW, vsid);
spu->dar = ea;
spu->dsisr = dsisr;
mb();
- if (spu->stop_callback)
- spu->stop_callback(spu);
- return 0;
-}
-
-static int __spu_trap_mailbox(struct spu *spu)
-{
- if (spu->ibox_callback)
- spu->ibox_callback(spu);
-
- /* atomically disable SPU mailbox interrupts */
- spin_lock(&spu->register_lock);
- spu_int_mask_and(spu, 2, ~0x1);
- spin_unlock(&spu->register_lock);
- return 0;
-}
-
-static int __spu_trap_stop(struct spu *spu)
-{
- pr_debug("%s\n", __FUNCTION__);
- spu->stop_code = in_be32(&spu->problem->spu_status_R);
- if (spu->stop_callback)
- spu->stop_callback(spu);
- return 0;
-}
-
-static int __spu_trap_halt(struct spu *spu)
-{
- pr_debug("%s\n", __FUNCTION__);
- spu->stop_code = in_be32(&spu->problem->spu_status_R);
- if (spu->stop_callback)
- spu->stop_callback(spu);
- return 0;
-}
-
-static int __spu_trap_tag_group(struct spu *spu)
-{
- pr_debug("%s\n", __FUNCTION__);
- spu->mfc_callback(spu);
- return 0;
-}
-
-static int __spu_trap_spubox(struct spu *spu)
-{
- if (spu->wbox_callback)
- spu->wbox_callback(spu);
-
- /* atomically disable SPU mailbox interrupts */
- spin_lock(&spu->register_lock);
- spu_int_mask_and(spu, 2, ~0x10);
- spin_unlock(&spu->register_lock);
+ spu->stop_callback(spu);
return 0;
}
spu = data;
spu->class_0_pending = 1;
- if (spu->stop_callback)
- spu->stop_callback(spu);
+ spu->stop_callback(spu);
return IRQ_HANDLED;
}
stat &= mask;
- if (stat & 1) /* invalid MFC DMA */
- __spu_trap_invalid_dma(spu);
-
- if (stat & 2) /* invalid DMA alignment */
+ if (stat & 1) /* invalid DMA alignment */
__spu_trap_dma_align(spu);
+ if (stat & 2) /* invalid MFC DMA */
+ __spu_trap_invalid_dma(spu);
+
if (stat & 4) /* error on SPU */
__spu_trap_error(spu);
unsigned long mask;
spu = data;
+ spin_lock(&spu->register_lock);
stat = spu_int_stat_get(spu, 2);
mask = spu_int_mask_get(spu, 2);
+ /* ignore interrupts we're not waiting for */
+ stat &= mask;
+ /*
+ * mailbox interrupts (0x1 and 0x10) are level triggered.
+ * mask them now before acknowledging.
+ */
+ if (stat & 0x11)
+ spu_int_mask_and(spu, 2, ~(stat & 0x11));
+ /* acknowledge all interrupts before the callbacks */
+ spu_int_stat_clear(spu, 2, stat);
+ spin_unlock(&spu->register_lock);
pr_debug("class 2 interrupt %d, %lx, %lx\n", irq, stat, mask);
- stat &= mask;
-
if (stat & 1) /* PPC core mailbox */
- __spu_trap_mailbox(spu);
+ spu->ibox_callback(spu);
if (stat & 2) /* SPU stop-and-signal */
- __spu_trap_stop(spu);
+ spu->stop_callback(spu);
if (stat & 4) /* SPU halted */
- __spu_trap_halt(spu);
+ spu->stop_callback(spu);
if (stat & 8) /* DMA tag group complete */
- __spu_trap_tag_group(spu);
+ spu->mfc_callback(spu);
if (stat & 0x10) /* SPU mailbox threshold */
- __spu_trap_spubox(spu);
+ spu->wbox_callback(spu);
- spu_int_stat_clear(spu, 2, stat);
return stat ? IRQ_HANDLED : IRQ_NONE;
}
-static int
-spu_request_irqs(struct spu *spu)
+static int spu_request_irqs(struct spu *spu)
{
- int ret;
- int irq_base;
-
- irq_base = IIC_NODE_STRIDE * spu->node + IIC_SPE_OFFSET;
-
- snprintf(spu->irq_c0, sizeof (spu->irq_c0), "spe%02d.0", spu->number);
- ret = request_irq(irq_base + spu->isrc,
- spu_irq_class_0, 0, spu->irq_c0, spu);
- if (ret)
- goto out;
-
- snprintf(spu->irq_c1, sizeof (spu->irq_c1), "spe%02d.1", spu->number);
- ret = request_irq(irq_base + IIC_CLASS_STRIDE + spu->isrc,
- spu_irq_class_1, 0, spu->irq_c1, spu);
- if (ret)
- goto out1;
+ int ret = 0;
- snprintf(spu->irq_c2, sizeof (spu->irq_c2), "spe%02d.2", spu->number);
- ret = request_irq(irq_base + 2*IIC_CLASS_STRIDE + spu->isrc,
- spu_irq_class_2, 0, spu->irq_c2, spu);
- if (ret)
- goto out2;
- goto out;
+ if (spu->irqs[0] != NO_IRQ) {
+ snprintf(spu->irq_c0, sizeof (spu->irq_c0), "spe%02d.0",
+ spu->number);
+ ret = request_irq(spu->irqs[0], spu_irq_class_0,
+ IRQF_DISABLED,
+ spu->irq_c0, spu);
+ if (ret)
+ goto bail0;
+ }
+ if (spu->irqs[1] != NO_IRQ) {
+ snprintf(spu->irq_c1, sizeof (spu->irq_c1), "spe%02d.1",
+ spu->number);
+ ret = request_irq(spu->irqs[1], spu_irq_class_1,
+ IRQF_DISABLED,
+ spu->irq_c1, spu);
+ if (ret)
+ goto bail1;
+ }
+ if (spu->irqs[2] != NO_IRQ) {
+ snprintf(spu->irq_c2, sizeof (spu->irq_c2), "spe%02d.2",
+ spu->number);
+ ret = request_irq(spu->irqs[2], spu_irq_class_2,
+ IRQF_DISABLED,
+ spu->irq_c2, spu);
+ if (ret)
+ goto bail2;
+ }
+ return 0;
-out2:
- free_irq(irq_base + IIC_CLASS_STRIDE + spu->isrc, spu);
-out1:
- free_irq(irq_base + spu->isrc, spu);
-out:
+bail2:
+ if (spu->irqs[1] != NO_IRQ)
+ free_irq(spu->irqs[1], spu);
+bail1:
+ if (spu->irqs[0] != NO_IRQ)
+ free_irq(spu->irqs[0], spu);
+bail0:
return ret;
}
-static void
-spu_free_irqs(struct spu *spu)
+static void spu_free_irqs(struct spu *spu)
{
- int irq_base;
-
- irq_base = IIC_NODE_STRIDE * spu->node + IIC_SPE_OFFSET;
-
- free_irq(irq_base + spu->isrc, spu);
- free_irq(irq_base + IIC_CLASS_STRIDE + spu->isrc, spu);
- free_irq(irq_base + 2*IIC_CLASS_STRIDE + spu->isrc, spu);
+ if (spu->irqs[0] != NO_IRQ)
+ free_irq(spu->irqs[0], spu);
+ if (spu->irqs[1] != NO_IRQ)
+ free_irq(spu->irqs[1], spu);
+ if (spu->irqs[2] != NO_IRQ)
+ free_irq(spu->irqs[2], spu);
}
-static LIST_HEAD(spu_list);
+static struct list_head spu_list[MAX_NUMNODES];
static DEFINE_MUTEX(spu_mutex);
static void spu_init_channels(struct spu *spu)
}
}
-struct spu *spu_alloc(void)
+struct spu *spu_alloc_node(int node)
{
- struct spu *spu;
+ struct spu *spu = NULL;
mutex_lock(&spu_mutex);
- if (!list_empty(&spu_list)) {
- spu = list_entry(spu_list.next, struct spu, list);
+ if (!list_empty(&spu_list[node])) {
+ spu = list_entry(spu_list[node].next, struct spu, list);
list_del_init(&spu->list);
- pr_debug("Got SPU %x %d\n", spu->isrc, spu->number);
- } else {
- pr_debug("No SPU left\n");
- spu = NULL;
+ pr_debug("Got SPU %x %d %d\n",
+ spu->isrc, spu->number, spu->node);
+ spu_init_channels(spu);
}
mutex_unlock(&spu_mutex);
- if (spu)
- spu_init_channels(spu);
+ return spu;
+}
+EXPORT_SYMBOL_GPL(spu_alloc_node);
+
+struct spu *spu_alloc(void)
+{
+ struct spu *spu = NULL;
+ int node;
+
+ for (node = 0; node < MAX_NUMNODES; node++) {
+ spu = spu_alloc_node(node);
+ if (spu)
+ break;
+ }
return spu;
}
-EXPORT_SYMBOL_GPL(spu_alloc);
void spu_free(struct spu *spu)
{
mutex_lock(&spu_mutex);
- list_add_tail(&spu->list, &spu_list);
+ list_add_tail(&spu->list, &spu_list[spu->node]);
mutex_unlock(&spu_mutex);
}
EXPORT_SYMBOL_GPL(spu_free);
ea = spu->dar;
dsisr = spu->dsisr;
if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED)) {
+ u64 flags;
+
access = (_PAGE_PRESENT | _PAGE_USER);
access |= (dsisr & MFC_DSISR_ACCESS_PUT) ? _PAGE_RW : 0UL;
+ local_irq_save(flags);
if (hash_page(ea, access, 0x300) != 0)
error |= CLASS1_ENABLE_STORAGE_FAULT_INTR;
+ local_irq_restore(flags);
}
if (error & CLASS1_ENABLE_STORAGE_FAULT_INTR) {
if ((ret = spu_handle_mm_fault(spu)) != 0)
return ret;
}
-void spu_irq_setaffinity(struct spu *spu, int cpu)
+static int __init find_spu_node_id(struct device_node *spe)
+{
+ const unsigned int *id;
+ struct device_node *cpu;
+ cpu = spe->parent->parent;
+ id = get_property(cpu, "node-id", NULL);
+ return id ? *id : 0;
+}
+
+static int __init cell_spuprop_present(struct spu *spu, struct device_node *spe,
+ const char *prop)
{
- u64 target = iic_get_target_id(cpu);
- u64 route = target << 48 | target << 32 | target << 16;
- spu_int_route_set(spu, route);
+ static DEFINE_MUTEX(add_spumem_mutex);
+
+ const struct address_prop {
+ unsigned long address;
+ unsigned int len;
+ } __attribute__((packed)) *p;
+ int proplen;
+
+ unsigned long start_pfn, nr_pages;
+ struct pglist_data *pgdata;
+ struct zone *zone;
+ int ret;
+
+ p = get_property(spe, prop, &proplen);
+ WARN_ON(proplen != sizeof (*p));
+
+ start_pfn = p->address >> PAGE_SHIFT;
+ nr_pages = ((unsigned long)p->len + PAGE_SIZE - 1) >> PAGE_SHIFT;
+
+ pgdata = NODE_DATA(spu->nid);
+ zone = pgdata->node_zones;
+
+ /* XXX rethink locking here */
+ mutex_lock(&add_spumem_mutex);
+ ret = __add_pages(zone, start_pfn, nr_pages);
+ mutex_unlock(&add_spumem_mutex);
+
+ return ret;
}
-EXPORT_SYMBOL_GPL(spu_irq_setaffinity);
-static void __iomem * __init map_spe_prop(struct device_node *n,
- const char *name)
+static void __iomem * __init map_spe_prop(struct spu *spu,
+ struct device_node *n, const char *name)
{
- struct address_prop {
+ const struct address_prop {
unsigned long address;
unsigned int len;
} __attribute__((packed)) *prop;
- void *p;
+ const void *p;
int proplen;
+ void __iomem *ret = NULL;
+ int err = 0;
p = get_property(n, name, &proplen);
if (proplen != sizeof (struct address_prop))
prop = p;
- return ioremap(prop->address, prop->len);
+ err = cell_spuprop_present(spu, n, name);
+ if (err && (err != -EEXIST))
+ goto out;
+
+ ret = ioremap(prop->address, prop->len);
+
+ out:
+ return ret;
}
static void spu_unmap(struct spu *spu)
iounmap(spu->priv2);
iounmap(spu->priv1);
iounmap(spu->problem);
- iounmap((u8 __iomem *)spu->local_store);
+ iounmap((__force u8 __iomem *)spu->local_store);
+}
+
+/* This function shall be abstracted for HV platforms */
+static int __init spu_map_interrupts_old(struct spu *spu, struct device_node *np)
+{
+ unsigned int isrc;
+ const u32 *tmp;
+
+ /* Get the interrupt source unit from the device-tree */
+ tmp = get_property(np, "isrc", NULL);
+ if (!tmp)
+ return -ENODEV;
+ isrc = tmp[0];
+
+ /* Add the node number */
+ isrc |= spu->node << IIC_IRQ_NODE_SHIFT;
+ spu->isrc = isrc;
+
+ /* Now map interrupts of all 3 classes */
+ spu->irqs[0] = irq_create_mapping(NULL, IIC_IRQ_CLASS_0 | isrc);
+ spu->irqs[1] = irq_create_mapping(NULL, IIC_IRQ_CLASS_1 | isrc);
+ spu->irqs[2] = irq_create_mapping(NULL, IIC_IRQ_CLASS_2 | isrc);
+
+ /* Right now, we only fail if class 2 failed */
+ return spu->irqs[2] == NO_IRQ ? -EINVAL : 0;
}
-static int __init spu_map_device(struct spu *spu, struct device_node *spe)
+static int __init spu_map_device_old(struct spu *spu, struct device_node *node)
{
- char *prop;
+ const char *prop;
int ret;
ret = -ENODEV;
- prop = get_property(spe, "isrc", NULL);
- if (!prop)
- goto out;
- spu->isrc = *(unsigned int *)prop;
-
- spu->name = get_property(spe, "name", NULL);
+ spu->name = get_property(node, "name", NULL);
if (!spu->name)
goto out;
- prop = get_property(spe, "local-store", NULL);
+ prop = get_property(node, "local-store", NULL);
if (!prop)
goto out;
spu->local_store_phys = *(unsigned long *)prop;
/* we use local store as ram, not io memory */
- spu->local_store = (void __force *)map_spe_prop(spe, "local-store");
+ spu->local_store = (void __force *)
+ map_spe_prop(spu, node, "local-store");
if (!spu->local_store)
goto out;
- prop = get_property(spe, "problem", NULL);
+ prop = get_property(node, "problem", NULL);
if (!prop)
goto out_unmap;
spu->problem_phys = *(unsigned long *)prop;
- spu->problem= map_spe_prop(spe, "problem");
+ spu->problem= map_spe_prop(spu, node, "problem");
if (!spu->problem)
goto out_unmap;
- spu->priv1= map_spe_prop(spe, "priv1");
+ spu->priv1= map_spe_prop(spu, node, "priv1");
/* priv1 is not available on a hypervisor */
- spu->priv2= map_spe_prop(spe, "priv2");
+ spu->priv2= map_spe_prop(spu, node, "priv2");
if (!spu->priv2)
goto out_unmap;
ret = 0;
return ret;
}
-static int __init find_spu_node_id(struct device_node *spe)
+static int __init spu_map_interrupts(struct spu *spu, struct device_node *np)
{
- unsigned int *id;
- struct device_node *cpu;
+ struct of_irq oirq;
+ int ret;
+ int i;
- cpu = spe->parent->parent;
- id = (unsigned int *)get_property(cpu, "node-id", NULL);
+ for (i=0; i < 3; i++) {
+ ret = of_irq_map_one(np, i, &oirq);
+ if (ret)
+ goto err;
- return id ? *id : 0;
+ ret = -EINVAL;
+ spu->irqs[i] = irq_create_of_mapping(oirq.controller,
+ oirq.specifier, oirq.size);
+ if (spu->irqs[i] == NO_IRQ)
+ goto err;
+ }
+ return 0;
+
+err:
+ pr_debug("failed to map irq %x for spu %s\n", *oirq.specifier, spu->name);
+ for (; i >= 0; i--) {
+ if (spu->irqs[i] != NO_IRQ)
+ irq_dispose_mapping(spu->irqs[i]);
+ }
+ return ret;
+}
+
+static int spu_map_resource(struct device_node *node, int nr,
+ void __iomem** virt, unsigned long *phys)
+{
+ struct resource resource = { };
+ int ret;
+
+ ret = of_address_to_resource(node, 0, &resource);
+ if (ret)
+ goto out;
+
+ if (phys)
+ *phys = resource.start;
+ *virt = ioremap(resource.start, resource.end - resource.start);
+ if (!*virt)
+ ret = -EINVAL;
+
+out:
+ return ret;
+}
+
+static int __init spu_map_device(struct spu *spu, struct device_node *node)
+{
+ int ret = -ENODEV;
+ spu->name = get_property(node, "name", NULL);
+ if (!spu->name)
+ goto out;
+
+ ret = spu_map_resource(node, 0, (void __iomem**)&spu->local_store,
+ &spu->local_store_phys);
+ if (ret)
+ goto out;
+ ret = spu_map_resource(node, 1, (void __iomem**)&spu->problem,
+ &spu->problem_phys);
+ if (ret)
+ goto out_unmap;
+ ret = spu_map_resource(node, 2, (void __iomem**)&spu->priv2,
+ NULL);
+ if (ret)
+ goto out_unmap;
+
+ if (!firmware_has_feature(FW_FEATURE_LPAR))
+ ret = spu_map_resource(node, 3, (void __iomem**)&spu->priv1,
+ NULL);
+ if (ret)
+ goto out_unmap;
+ return 0;
+
+out_unmap:
+ spu_unmap(spu);
+out:
+ pr_debug("failed to map spe %s: %d\n", spu->name, ret);
+ return ret;
+}
+
+struct sysdev_class spu_sysdev_class = {
+ set_kset_name("spu")
+};
+
+static ssize_t spu_show_isrc(struct sys_device *sysdev, char *buf)
+{
+ struct spu *spu = container_of(sysdev, struct spu, sysdev);
+ return sprintf(buf, "%d\n", spu->isrc);
+
+}
+static SYSDEV_ATTR(isrc, 0400, spu_show_isrc, NULL);
+
+extern int attach_sysdev_to_node(struct sys_device *dev, int nid);
+
+static int spu_create_sysdev(struct spu *spu)
+{
+ int ret;
+
+ spu->sysdev.id = spu->number;
+ spu->sysdev.cls = &spu_sysdev_class;
+ ret = sysdev_register(&spu->sysdev);
+ if (ret) {
+ printk(KERN_ERR "Can't register SPU %d with sysfs\n",
+ spu->number);
+ return ret;
+ }
+
+ if (spu->isrc != 0)
+ sysdev_create_file(&spu->sysdev, &attr_isrc);
+ sysfs_add_device_to_node(&spu->sysdev, spu->nid);
+
+ return 0;
+}
+
+static void spu_destroy_sysdev(struct spu *spu)
+{
+ sysdev_remove_file(&spu->sysdev, &attr_isrc);
+ sysfs_remove_device_from_node(&spu->sysdev, spu->nid);
+ sysdev_unregister(&spu->sysdev);
}
static int __init create_spu(struct device_node *spe)
static int number;
ret = -ENOMEM;
- spu = kmalloc(sizeof (*spu), GFP_KERNEL);
+ spu = kzalloc(sizeof (*spu), GFP_KERNEL);
if (!spu)
goto out;
ret = spu_map_device(spu, spe);
+ /* try old method */
+ if (ret)
+ ret = spu_map_device_old(spu, spe);
if (ret)
goto out_free;
spu->node = find_spu_node_id(spe);
- spu->stop_code = 0;
- spu->slb_replace = 0;
- spu->mm = NULL;
- spu->ctx = NULL;
- spu->rq = NULL;
- spu->pid = 0;
- spu->class_0_pending = 0;
- spu->flags = 0UL;
- spu->dar = 0UL;
- spu->dsisr = 0UL;
+ spu->nid = of_node_to_nid(spe);
+ if (spu->nid == -1)
+ spu->nid = 0;
+ ret = spu_map_interrupts(spu, spe);
+ if (ret)
+ ret = spu_map_interrupts_old(spu, spe);
+ if (ret)
+ goto out_unmap;
spin_lock_init(&spu->register_lock);
-
spu_mfc_sdr_set(spu, mfspr(SPRN_SDR1));
spu_mfc_sr1_set(spu, 0x33);
-
- spu->ibox_callback = NULL;
- spu->wbox_callback = NULL;
- spu->stop_callback = NULL;
- spu->mfc_callback = NULL;
-
mutex_lock(&spu_mutex);
+
spu->number = number++;
ret = spu_request_irqs(spu);
if (ret)
- goto out_unmap;
+ goto out_unlock;
- list_add(&spu->list, &spu_list);
+ ret = spu_create_sysdev(spu);
+ if (ret)
+ goto out_free_irqs;
+
+ list_add(&spu->list, &spu_list[spu->node]);
mutex_unlock(&spu_mutex);
pr_debug(KERN_DEBUG "Using SPE %s %02x %p %p %p %p %d\n",
spu->problem, spu->priv1, spu->priv2, spu->number);
goto out;
-out_unmap:
+out_free_irqs:
+ spu_free_irqs(spu);
+out_unlock:
mutex_unlock(&spu_mutex);
+out_unmap:
spu_unmap(spu);
out_free:
kfree(spu);
{
list_del_init(&spu->list);
+ spu_destroy_sysdev(spu);
spu_free_irqs(spu);
spu_unmap(spu);
kfree(spu);
static void cleanup_spu_base(void)
{
struct spu *spu, *tmp;
+ int node;
+
mutex_lock(&spu_mutex);
- list_for_each_entry_safe(spu, tmp, &spu_list, list)
- destroy_spu(spu);
+ for (node = 0; node < MAX_NUMNODES; node++) {
+ list_for_each_entry_safe(spu, tmp, &spu_list[node], list)
+ destroy_spu(spu);
+ }
mutex_unlock(&spu_mutex);
+ sysdev_class_unregister(&spu_sysdev_class);
}
module_exit(cleanup_spu_base);
static int __init init_spu_base(void)
{
struct device_node *node;
- int ret;
+ int i, ret;
+
+ /* create sysdev class for spus */
+ ret = sysdev_class_register(&spu_sysdev_class);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < MAX_NUMNODES; i++)
+ INIT_LIST_HEAD(&spu_list[i]);
ret = -ENODEV;
for (node = of_find_node_by_type(NULL, "spe");
break;
}
}
- /* in some old firmware versions, the spe is called 'spc', so we
- look for that as well */
- for (node = of_find_node_by_type(NULL, "spc");
- node; node = of_find_node_by_type(node, "spc")) {
- ret = create_spu(node);
- if (ret) {
- printk(KERN_WARNING "%s: Error initializing %s\n",
- __FUNCTION__, node->name);
- cleanup_spu_base();
- break;
- }
- }
return ret;
}
module_init(init_spu_base);