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Diffstat (limited to 'arch/sparc/kernel/ldc.c')
-rw-r--r--arch/sparc/kernel/ldc.c20
1 files changed, 6 insertions, 14 deletions
diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c
index cb3c72c45aab..df39a0f0d27a 100644
--- a/arch/sparc/kernel/ldc.c
+++ b/arch/sparc/kernel/ldc.c
@@ -14,6 +14,7 @@
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/init.h>
+#include <linux/bitmap.h>
#include <asm/hypervisor.h>
#include <asm/iommu.h>
@@ -1242,13 +1243,13 @@ int ldc_bind(struct ldc_channel *lp, const char *name)
snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name);
err = request_irq(lp->cfg.rx_irq, ldc_rx,
- IRQF_SAMPLE_RANDOM | IRQF_DISABLED | IRQF_SHARED,
+ IRQF_SAMPLE_RANDOM | IRQF_DISABLED,
lp->rx_irq_name, lp);
if (err)
return err;
err = request_irq(lp->cfg.tx_irq, ldc_tx,
- IRQF_SAMPLE_RANDOM | IRQF_DISABLED | IRQF_SHARED,
+ IRQF_SAMPLE_RANDOM | IRQF_DISABLED,
lp->tx_irq_name, lp);
if (err) {
free_irq(lp->cfg.rx_irq, lp);
@@ -1875,7 +1876,7 @@ EXPORT_SYMBOL(ldc_read);
static long arena_alloc(struct ldc_iommu *iommu, unsigned long npages)
{
struct iommu_arena *arena = &iommu->arena;
- unsigned long n, i, start, end, limit;
+ unsigned long n, start, end, limit;
int pass;
limit = arena->limit;
@@ -1883,7 +1884,7 @@ static long arena_alloc(struct ldc_iommu *iommu, unsigned long npages)
pass = 0;
again:
- n = find_next_zero_bit(arena->map, limit, start);
+ n = bitmap_find_next_zero_area(arena->map, limit, start, npages, 0);
end = n + npages;
if (unlikely(end >= limit)) {
if (likely(pass < 1)) {
@@ -1896,16 +1897,7 @@ again:
return -1;
}
}
-
- for (i = n; i < end; i++) {
- if (test_bit(i, arena->map)) {
- start = i + 1;
- goto again;
- }
- }
-
- for (i = n; i < end; i++)
- __set_bit(i, arena->map);
+ bitmap_set(arena->map, n, npages);
arena->hint = end;