diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-04-14 11:32:23 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-14 11:32:30 +0200 |
| commit | 05cfbd66d07c44865983c8b65ae9d0037d874206 (patch) | |
| tree | 084b665cc97b47d1592fe76ea0a39a7753288a02 /arch/powerpc/sysdev/mpic.c | |
| parent | 31c9a24ec82926fcae49483e53566d231e705057 (diff) | |
| parent | ef631b0ca01655d24e9ca7e199262c4a46416a26 (diff) | |
Merge branch 'core/urgent' into core/rcu
Merge reason: new patches to be queued up depend on:
ef631b0: rcu: Make hierarchical RCU less IPI-happy
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/sysdev/mpic.c')
| -rw-r--r-- | arch/powerpc/sysdev/mpic.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 532e205303a2..21b956701596 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1170,6 +1170,12 @@ struct mpic * __init mpic_alloc(struct device_node *node, mb(); } + /* CoreInt */ + if (flags & MPIC_ENABLE_COREINT) + mpic_write(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0), + mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0)) + | MPIC_GREG_GCONF_COREINT); + if (flags & MPIC_ENABLE_MCK) mpic_write(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0), mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0)) @@ -1525,6 +1531,34 @@ unsigned int mpic_get_irq(void) return mpic_get_one_irq(mpic); } +unsigned int mpic_get_coreint_irq(void) +{ +#ifdef CONFIG_BOOKE + struct mpic *mpic = mpic_primary; + u32 src; + + BUG_ON(mpic == NULL); + + src = mfspr(SPRN_EPR); + + if (unlikely(src == mpic->spurious_vec)) { + if (mpic->flags & MPIC_SPV_EOI) + mpic_eoi(mpic); + return NO_IRQ; + } + if (unlikely(mpic->protected && test_bit(src, mpic->protected))) { + if (printk_ratelimit()) + printk(KERN_WARNING "%s: Got protected source %d !\n", + mpic->name, (int)src); + return NO_IRQ; + } + + return irq_linear_revmap(mpic->irqhost, src); +#else + return NO_IRQ; +#endif +} + unsigned int mpic_get_mcirq(void) { struct mpic *mpic = mpic_primary; |