Messages in this thread | | | Date | Thu, 1 Dec 2011 19:05:06 -0500 | From | Paul Gortmaker <> | Subject | Re: [PATCH 3/3] 8250: add workaround for MPC8[356]xx UART break IRQ storm |
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On 11-12-01 06:51 PM, Scott Wood wrote: > 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.
OK, I'll simply change the above to CONFIG_PPC then.
Thanks, Paul.
> > -Scott >
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