On 12/01/2011 05:47 PM, Paul Gortmaker wrote: > diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h > index 8c660af..b0f4042 100644 > --- a/include/linux/serial_8250.h > +++ b/include/linux/serial_8250.h > @@ -18,6 +18,11 @@ > #define UART_BUG_TXEN (1 << 1) /* buggy TX IIR status */ > #define UART_BUG_NOMSR (1 << 2) /* buggy MSR status bits (Au1x00) */ > #define UART_BUG_THRE (1 << 3) /* buggy THRE reassertion */ > +#ifdef CONFIG_PPC32 > +#define UART_BUG_FSLBK (1 << 4) /* buggy FSL break IRQ storm */ > +#else /* help GCC optimize away IRQ handler errata code for ARCH != PPC32 */ > +#define UART_BUG_FSLBK 0 > +#endif I believe this bug still exists on our 64-bit chips. -Scott -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html