diff options
| author | David S. Miller <davem@davemloft.net> | 2013-05-04 18:34:13 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-05-04 18:34:13 -0700 |
| commit | 048c9acca90ca7da42b92745445fe008a48add88 (patch) | |
| tree | e2e551a565a7dcdca0fc398aa659231745e5a901 /arch/sparc/kernel/leon_kernel.c | |
| parent | 07df841877195765d958df146f614fc7bdedd5e3 (diff) | |
| parent | ad348cc5349be4ef4abe08819afbb63386585413 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Merge sparc bug fixes that didn't make it into v3.9 into
sparc-next.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/leon_kernel.c')
| -rw-r--r-- | arch/sparc/kernel/leon_kernel.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index 87f60ee6543..7c0231dabe4 100644 --- a/arch/sparc/kernel/leon_kernel.c +++ b/arch/sparc/kernel/leon_kernel.c @@ -213,6 +213,7 @@ unsigned int leon_build_device_irq(unsigned int real_irq, { unsigned int irq; unsigned long mask; + struct irq_desc *desc; irq = 0; mask = leon_get_irqmask(real_irq); @@ -226,9 +227,12 @@ unsigned int leon_build_device_irq(unsigned int real_irq, if (do_ack) mask |= LEON_DO_ACK_HW; - irq_set_chip_and_handler_name(irq, &leon_irq, - flow_handler, name); - irq_set_chip_data(irq, (void *)mask); + desc = irq_to_desc(irq); + if (!desc || !desc->handle_irq || desc->handle_irq == handle_bad_irq) { + irq_set_chip_and_handler_name(irq, &leon_irq, + flow_handler, name); + irq_set_chip_data(irq, (void *)mask); + } out: return irq; |