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Blackfin arch: Update adeos blackfin arch patch to 1.9-00

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Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Philippe Gerum
2009-03-04 16:52:38 +08:00
committed by Bryan Wu
parent 97d4b35fb4
commit 9bd50df6aa
10 changed files with 243 additions and 305 deletions
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14
arch/blackfin/kernel/irqchip.c
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@ -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);