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| author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-07-27 13:54:08 +0200 |
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-07-27 13:54:08 +0200 |
| commit | eda3d8f5604860aae1bb9996bb5efc4213778369 (patch) | |
| tree | 9d3887d2665bcc5f5abf200758794545c7b2c69b /arch/sparc64/kernel/irq.c | |
| parent | 87a9f704658a40940e740b1d73d861667e9164d3 (diff) | |
| parent | 8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff) | |
Merge commit 'upstream/master'
Diffstat (limited to 'arch/sparc64/kernel/irq.c')
| -rw-r--r-- | arch/sparc64/kernel/irq.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index b441a26b73b..c481673d249 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -621,8 +621,9 @@ unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino) unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino) { struct irq_handler_data *data; - struct ino_bucket *bucket; unsigned long hv_err, cookie; + struct ino_bucket *bucket; + struct irq_desc *desc; unsigned int virt_irq; bucket = kzalloc(sizeof(struct ino_bucket), GFP_ATOMIC); @@ -643,6 +644,13 @@ unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino) if (unlikely(!data)) return 0; + /* In order to make the LDC channel startup sequence easier, + * especially wrt. locking, we do not let request_irq() enable + * the interrupt. + */ + desc = irq_desc + virt_irq; + desc->status |= IRQ_NOAUTOEN; + set_irq_chip_data(virt_irq, data); /* Catch accidental accesses to these things. IMAP/ICLR handling |