[PATCH] Enable IRQ0 for PPC4xx UART
Redefine is_real_interrupt(irq) macro, since IRQ0 is valid for PPC4xx platform. Signed-off-by: Valentine Barshak <[EMAIL PROTECTED]> diff -ruN linux.orig/include/asm-ppc/serial.h linux/include/asm-ppc/serial.h --- linux.orig/include/asm-ppc/serial.h 2007-03-16 18:04:16.000000000 +0300 +++ linux/include/asm-ppc/serial.h 2007-03-20 15:52:02.000000000 +0300 @@ -28,6 +28,9 @@ #elif defined(CONFIG_SPRUCE) #include <platforms/spruce.h> #elif defined(CONFIG_4xx) +/* UART IRQ0 is valid for PPC4xx */ +#undef is_real_interrupt +#define is_real_interrupt(irq) ((irq) >= 0) #include <asm/ibm4xx.h> #elif defined(CONFIG_83xx) #include <asm/mpc83xx.h>
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