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| author | Ingo Molnar <mingo@elte.hu> | 2008-09-24 10:31:34 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-24 10:31:34 +0200 |
| commit | e6aa0f07cb5e81a7cbeaf3be6e2101234c2f0d30 (patch) | |
| tree | 77926550ac0c31b1423bcf193a4ed0ecb7fda2c1 /arch/arm/mach-clps7500/include/mach/irq.h | |
| parent | d4738792fb86600b6cb7220459d9c47e819b3580 (diff) | |
| parent | 72d31053f62c4bc464c2783974926969614a8649 (diff) | |
| download | lwn-e6aa0f07cb5e81a7cbeaf3be6e2101234c2f0d30.tar.gz lwn-e6aa0f07cb5e81a7cbeaf3be6e2101234c2f0d30.zip | |
Merge commit 'v2.6.27-rc7' into x86/microcode
Diffstat (limited to 'arch/arm/mach-clps7500/include/mach/irq.h')
| -rw-r--r-- | arch/arm/mach-clps7500/include/mach/irq.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/mach-clps7500/include/mach/irq.h b/arch/arm/mach-clps7500/include/mach/irq.h new file mode 100644 index 000000000000..e8da3c58df76 --- /dev/null +++ b/arch/arm/mach-clps7500/include/mach/irq.h @@ -0,0 +1,32 @@ +/* + * arch/arm/mach-clps7500/include/mach/irq.h + * + * Copyright (C) 1996 Russell King + * Copyright (C) 1999, 2001 Nexus Electronics Ltd. + * + * Changelog: + * 10-10-1996 RMK Brought up to date with arch-sa110eval + * 22-08-1998 RMK Restructured IRQ routines + * 11-08-1999 PJB Created ARM7500 version, derived from RiscPC code + */ + +#include <asm/hardware/iomd.h> +#include <asm/io.h> + +static inline int fixup_irq(unsigned int irq) +{ + if (irq == IRQ_ISA) { + int isabits = *((volatile unsigned int *)0xe002b700); + if (isabits == 0) { + printk("Spurious ISA IRQ!\n"); + return irq; + } + irq = IRQ_ISA_BASE; + while (!(isabits & 1)) { + irq++; + isabits >>= 1; + } + } + + return irq; +} |