Re: [PATCH 3/3] 8250: add workaround for MPC8[356]xx UART break IRQ storm

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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
> 
--
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


[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux PPP]     [Linux FS]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Linmodem]     [Device Mapper]     [Linux Kernel for ARM]

  Powered by Linux