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path: root/drivers/parisc/iosapic.c
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Diffstat (limited to 'drivers/parisc/iosapic.c')
-rw-r--r--drivers/parisc/iosapic.c30
1 files changed, 11 insertions, 19 deletions
diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index 8a3b0c3a1e92..a4011461189b 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -202,9 +202,9 @@ static inline void iosapic_write(void __iomem *iosapic, unsigned int reg, u32 va
static DEFINE_SPINLOCK(iosapic_lock);
-static inline void iosapic_eoi(void __iomem *addr, unsigned int data)
+static inline void iosapic_eoi(__le32 __iomem *addr, __le32 data)
{
- __raw_writel(data, addr);
+ __raw_writel((__force u32)data, addr);
}
/*
@@ -221,16 +221,7 @@ static size_t irt_num_entry;
static struct irt_entry *iosapic_alloc_irt(int num_entries)
{
- unsigned long a;
-
- /* The IRT needs to be 8-byte aligned for the PDC call.
- * Normally kmalloc would guarantee larger alignment, but
- * if CONFIG_DEBUG_SLAB is enabled, then we can get only
- * 4-byte alignment on 32-bit kernels
- */
- a = (unsigned long)kmalloc(sizeof(struct irt_entry) * num_entries + 8, GFP_KERNEL);
- a = (a + 7UL) & ~7UL;
- return (struct irt_entry *)a;
+ return kcalloc(num_entries, sizeof(struct irt_entry), GFP_KERNEL);
}
/**
@@ -357,13 +348,10 @@ iosapic_load_irt(unsigned long cell_num, struct irt_entry **irt)
}
-
-void __init iosapic_init(void)
+static int __init iosapic_init(void)
{
unsigned long cell = 0;
- DBG("iosapic_init()\n");
-
#ifdef __LP64__
if (is_pdc_pat()) {
int status;
@@ -380,7 +368,10 @@ void __init iosapic_init(void)
irt_num_entry = iosapic_load_irt(cell, &irt_cell);
if (irt_num_entry == 0)
irt_cell = NULL; /* old PDC w/o iosapic */
+
+ return 0;
}
+arch_initcall(iosapic_init);
/*
@@ -677,7 +668,7 @@ static int iosapic_set_affinity_irq(struct irq_data *d,
if (dest_cpu < 0)
return -1;
- cpumask_copy(irq_data_get_affinity_mask(d), cpumask_of(dest_cpu));
+ irq_data_update_affinity(d, cpumask_of(dest_cpu));
vi->txn_addr = txn_affinity_addr(d->irq, dest_cpu);
spin_lock_irqsave(&iosapic_lock, flags);
@@ -875,6 +866,7 @@ int iosapic_serial_irq(struct parisc_device *dev)
return vi->txn_irq;
}
+EXPORT_SYMBOL(iosapic_serial_irq);
#endif
@@ -898,7 +890,7 @@ iosapic_rd_version(struct iosapic_info *isi)
** o allocate and initialize isi_vector[]
** o allocate irq region
*/
-void *iosapic_register(unsigned long hpa)
+void *iosapic_register(unsigned long hpa, void __iomem *vaddr)
{
struct iosapic_info *isi = NULL;
struct irt_entry *irte = irt_cell;
@@ -927,7 +919,7 @@ void *iosapic_register(unsigned long hpa)
return NULL;
}
- isi->addr = ioremap(hpa, 4096);
+ isi->addr = vaddr;
isi->isi_hpa = hpa;
isi->isi_version = iosapic_rd_version(isi);
isi->isi_num_vectors = IOSAPIC_IRDT_MAX_ENTRY(isi->isi_version) + 1;