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Impact: cleanup Remove the 2.4 compabiliy cruft Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Peter Zijlstra <peterz@infradead.org>
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Thomas Gleixner
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Mar 13, 2009
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Original file line number | Diff line number | Diff line change |
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@@ -1,25 +1,17 @@ | ||
/* irqreturn.h */ | ||
#ifndef _LINUX_IRQRETURN_H | ||
#define _LINUX_IRQRETURN_H | ||
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/* | ||
* For 2.4.x compatibility, 2.4.x can use | ||
* | ||
* typedef void irqreturn_t; | ||
* #define IRQ_NONE | ||
* #define IRQ_HANDLED | ||
* #define IRQ_RETVAL(x) | ||
* | ||
* To mix old-style and new-style irq handler returns. | ||
* | ||
* IRQ_NONE means we didn't handle it. | ||
* IRQ_HANDLED means that we did have a valid interrupt and handled it. | ||
* IRQ_RETVAL(x) selects on the two depending on x being non-zero (for handled) | ||
/** | ||
* enum irqreturn | ||
* @IRQ_NONE interrupt was not from this device | ||
* @IRQ_HANDLED interrupt was handled by this device | ||
*/ | ||
typedef int irqreturn_t; | ||
enum irqreturn { | ||
IRQ_NONE, | ||
IRQ_HANDLED, | ||
}; | ||
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#define IRQ_NONE (0) | ||
#define IRQ_HANDLED (1) | ||
#define IRQ_RETVAL(x) ((x) != 0) | ||
typedef enum irqreturn irqreturn_t; | ||
#define IRQ_RETVAL(x) ((x) != IRQ_NONE) | ||
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#endif |