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[SPARC64]: Kill ugly __irq_ino() macro.

Browse Source 
We have a place to stick INO information in the
virt_to_real_irq_table[], which is currently only used for VIRQs.
And that is readily accessible from the one __irq_ino() call site.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2007-10-13 23:27:48 -07:00
parent 42d5f99b1d
commit bb74b734a6
3 changed files with 15 additions and 13 deletions
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22
arch/sparc64/kernel/irq.c
View File

@ -122,8 +122,6 @@ static void bucket_set_virt_irq(unsigned long bucket_pa,
"i" (ASI_PHYS_USE_EC));
}
#define __irq_ino(irq) \
(((struct ino_bucket *)(irq)) - &ivector_table[0])
#define __bucket(irq) ((struct ino_bucket *)(irq))
#define __irq(bucket) ((unsigned long)(bucket))
@ -136,7 +134,9 @@ static struct {
} virt_to_real_irq_table[NR_IRQS];
static DEFINE_SPINLOCK(virt_irq_alloc_lock);
unsigned char virt_irq_alloc(unsigned long real_irq)
unsigned char virt_irq_alloc(unsigned long real_irq,
unsigned int dev_handle,
unsigned int dev_ino)
{
unsigned long flags;
unsigned char ent;
@ -154,6 +154,8 @@ unsigned char virt_irq_alloc(unsigned long real_irq)
ent = 0;
} else {
virt_to_real_irq_table[ent].irq = real_irq;
virt_to_real_irq_table[ent].dev_handle = dev_handle;
virt_to_real_irq_table[ent].dev_ino = dev_ino;
}
spin_unlock_irqrestore(&virt_irq_alloc_lock, flags);
@ -554,11 +556,12 @@ static void sun4v_virq_end(unsigned int virt_irq)
static void run_pre_handler(unsigned int virt_irq)
{
struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq);
struct irq_handler_data *data = get_irq_chip_data(virt_irq);
unsigned int ino;
ino = virt_to_real_irq_table[virt_irq].dev_ino;
if (likely(data->pre_handler)) {
data->pre_handler(__irq_ino(__irq(bucket)),
data->pre_handler(ino,
data->pre_handler_arg1,
data->pre_handler_arg2);
}
@ -633,7 +636,7 @@ unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap)
bucket = &ivector_table[ino];
virt_irq = bucket_get_virt_irq(__pa(bucket));
if (!virt_irq) {
virt_irq = virt_irq_alloc(__irq(bucket));
virt_irq = virt_irq_alloc(__irq(bucket), 0, ino);
bucket_set_virt_irq(__pa(bucket), virt_irq);
set_irq_chip(virt_irq, &sun4u_irq);
}
@ -668,7 +671,7 @@ static unsigned int sun4v_build_common(unsigned long sysino,
bucket = &ivector_table[sysino];
virt_irq = bucket_get_virt_irq(__pa(bucket));
if (!virt_irq) {
virt_irq = virt_irq_alloc(__irq(bucket));
virt_irq = virt_irq_alloc(__irq(bucket), 0, sysino);
bucket_set_virt_irq(__pa(bucket), virt_irq);
set_irq_chip(virt_irq, chip);
}
@ -716,7 +719,7 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
((unsigned long) bucket +
sizeof(struct ino_bucket)));
virt_irq = virt_irq_alloc(__irq(bucket));
virt_irq = virt_irq_alloc(__irq(bucket), devhandle, devino);
bucket_set_virt_irq(__pa(bucket), virt_irq);
set_irq_chip(virt_irq, &sun4v_virq);
@ -741,9 +744,6 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino)
prom_halt();
}
virt_to_real_irq_table[virt_irq].dev_handle = devhandle;
virt_to_real_irq_table[virt_irq].dev_ino = devino;
return virt_irq;
}

2
arch/sparc64/kernel/pci_msi.c
View File

@ -123,7 +123,7 @@ int sparc64_setup_msi_irq(unsigned int *virt_irq_p,
int msi, err;
u32 msiqid;
*virt_irq_p = virt_irq_alloc(~0);
*virt_irq_p = virt_irq_alloc(~0, 0, 0);
err = -ENOMEM;
if (!*virt_irq_p)
goto out_err;

4
include/asm-sparc64/irq.h
View File

@ -59,7 +59,9 @@ extern unsigned int sun4u_build_msi(u32 portid, unsigned int *virt_irq_p,
extern void sun4u_destroy_msi(unsigned int virt_irq);
extern unsigned int sbus_build_irq(void *sbus, unsigned int ino);
extern unsigned char virt_irq_alloc(unsigned long real_irq);
extern unsigned char virt_irq_alloc(unsigned long real_irq,
unsigned int dev_handle,
unsigned int dev_ino);
#ifdef CONFIG_PCI_MSI
extern void virt_irq_free(unsigned int virt_irq);
#endif