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OpenCloudOS-Kernel
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Replace the complicated and broken attempt to clean interrupt by 

something simple - doesn't need to be fast, after all.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2005-02-13 23:10:08 +00:00
parent ca8a597d53
commit 39408c6af4
1 changed files with 4 additions and 16 deletions
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20
arch/mips/sgi-ip27/ip27-smp.c
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@ -127,29 +127,17 @@ void cpu_node_probe(void)
printk("Discovered %d cpus on %d nodes\n", highest + 1, num_online_nodes());
}
static void intr_clear_bits(nasid_t nasid, volatile hubreg_t *pend,
int base_level)
static __init void intr_clear_all(nasid_t nasid)
{
volatile hubreg_t bits;
int i;
/* Check pending interrupts */
if ((bits = HUB_L(pend)) != 0)
for (i = 0; i < N_INTPEND_BITS; i++)
if (bits & (1 << i))
LOCAL_HUB_CLR_INTR(base_level + i);
}
static void intr_clear_all(nasid_t nasid)
{
REMOTE_HUB_S(nasid, PI_INT_MASK0_A, 0);
REMOTE_HUB_S(nasid, PI_INT_MASK0_B, 0);
REMOTE_HUB_S(nasid, PI_INT_MASK1_A, 0);
REMOTE_HUB_S(nasid, PI_INT_MASK1_B, 0);
intr_clear_bits(nasid, REMOTE_HUB_ADDR(nasid, PI_INT_PEND0),
INT_PEND0_BASELVL);
intr_clear_bits(nasid, REMOTE_HUB_ADDR(nasid, PI_INT_PEND1),
INT_PEND1_BASELVL);
for (i = 0; i < 128; i++)
REMOTE_HUB_CLR_INTR(nasid, i);
}
void __init prom_prepare_cpus(unsigned int max_cpus)