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| author | Philippe Gerum <rpm@xenomai.org> | 2009-03-04 16:52:38 +0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2009-03-04 16:52:38 +0800 |
| commit | 9bd50df6aa9bdd583793a16b0b9379dfd78c079e (patch) | |
| tree | 691ae451ba3747efccfcac53b1c9c797b184673c /arch/blackfin/kernel/irqchip.c | |
| parent | 97d4b35fb44cd5a80bc10952e2b1de5d3a14117b (diff) | |
| download | blackbird-op-linux-9bd50df6aa9bdd583793a16b0b9379dfd78c079e.tar.gz blackbird-op-linux-9bd50df6aa9bdd583793a16b0b9379dfd78c079e.zip | |
Blackfin arch: Update adeos blackfin arch patch to 1.9-00
Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/kernel/irqchip.c')
| -rw-r--r-- | arch/blackfin/kernel/irqchip.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/blackfin/kernel/irqchip.c b/arch/blackfin/kernel/irqchip.c index 75724eee6494..7fd126564846 100644 --- a/arch/blackfin/kernel/irqchip.c +++ b/arch/blackfin/kernel/irqchip.c @@ -144,11 +144,15 @@ asmlinkage void asm_do_IRQ(unsigned int irq, struct pt_regs *regs) #endif generic_handle_irq(irq); -#ifndef CONFIG_IPIPE /* Useless and bugous over the I-pipe: IRQs are threaded. */ - /* If we're the only interrupt running (ignoring IRQ15 which is for - syscalls), lower our priority to IRQ14 so that softirqs run at - that level. If there's another, lower-level interrupt, irq_exit - will defer softirqs to that. */ +#ifndef CONFIG_IPIPE + /* + * If we're the only interrupt running (ignoring IRQ15 which + * is for syscalls), lower our priority to IRQ14 so that + * softirqs run at that level. If there's another, + * lower-level interrupt, irq_exit will defer softirqs to + * that. If the interrupt pipeline is enabled, we are already + * running at IRQ14 priority, so we don't need this code. + */ CSYNC(); pending = bfin_read_IPEND() & ~0x8000; other_ints = pending & (pending - 1); |
