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sparc32: Remove some SMP ifdefs in sun4d_irq.c

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Always do the sbus_tid[] handling.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-09-13 22:05:25 -07:00
parent f5f1085720
commit f8376e933c
1 changed files with 16 additions and 26 deletions
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42
arch/sparc/kernel/sun4d_irq.c
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@ -60,9 +60,7 @@ static struct sun4d_timer_regs __iomem *sun4d_timers;
#define MAX_STATIC_ALLOC 4
extern struct irqaction static_irqaction[MAX_STATIC_ALLOC];
extern int static_irq_count;
#ifdef CONFIG_SMP
static unsigned char sbus_tid[32];
#endif
static struct irqaction *irq_action[NR_IRQS];
extern spinlock_t irq_action_lock;
@ -81,9 +79,9 @@ static int sbus_to_pil[] = {
};
static int nsbi;
#ifdef CONFIG_SMP
/* Exported for sun4d_smp.c */
DEFINE_SPINLOCK(sun4d_imsk_lock);
#endif
int show_sun4d_interrupts(struct seq_file *p, void *v)
{
@ -349,36 +347,28 @@ int sun4d_request_irq(unsigned int irq,
static void sun4d_disable_irq(unsigned int irq)
{
#ifdef CONFIG_SMP
int tid = sbus_tid[(irq >> 5) - 1];
unsigned long flags;
#endif
if (irq < NR_IRQS) return;
#ifdef CONFIG_SMP
if (irq < NR_IRQS)
return;
spin_lock_irqsave(&sun4d_imsk_lock, flags);
cc_set_imsk_other(tid, cc_get_imsk_other(tid) | (1 << sbus_to_pil[(irq >> 2) & 7]));
spin_unlock_irqrestore(&sun4d_imsk_lock, flags);
#else
cc_set_imsk(cc_get_imsk() | (1 << sbus_to_pil[(irq >> 2) & 7]));
#endif
}
static void sun4d_enable_irq(unsigned int irq)
{
#ifdef CONFIG_SMP
int tid = sbus_tid[(irq >> 5) - 1];
unsigned long flags;
#endif
if (irq < NR_IRQS) return;
#ifdef CONFIG_SMP
if (irq < NR_IRQS)
return;
spin_lock_irqsave(&sun4d_imsk_lock, flags);
cc_set_imsk_other(tid, cc_get_imsk_other(tid) & ~(1 << sbus_to_pil[(irq >> 2) & 7]));
spin_unlock_irqrestore(&sun4d_imsk_lock, flags);
#else
cc_set_imsk(cc_get_imsk() & ~(1 << sbus_to_pil[(irq >> 2) & 7]));
#endif
}
#ifdef CONFIG_SMP
@ -557,6 +547,11 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn)
void __init sun4d_init_sbi_irq(void)
{
struct device_node *dp;
int target_cpu = 0;
#ifdef CONFIG_SMP
target_cpu = boot_cpu_id;
#endif
nsbi = 0;
for_each_node_by_name(dp, "sbi")
@ -571,14 +566,9 @@ void __init sun4d_init_sbi_irq(void)
int board = of_getintprop_default(dp, "board#", 0);
unsigned int mask;
#ifdef CONFIG_SMP
{
extern unsigned char boot_cpu_id;
set_sbi_tid(devid, boot_cpu_id << 3);
sbus_tid[board] = boot_cpu_id;
}
#endif
set_sbi_tid(devid, target_cpu << 3);
sbus_tid[board] = target_cpu;
/* Get rid of pending irqs from PROM */
mask = acquire_sbi(devid, 0xffffffff);
if (mask) {