Re: [PATCH 14/18] Blackfin Serial Driver: use the DLAB macro to hide variant differences
From: Mike Frysinger
Date: Fri Mar 06 2009 - 17:42:25 EST
On Fri, Mar 6, 2009 at 17:38, Andrew Morton wrote:
> On Fri, 6 Mar 2009 14:42:56 +0800 Bryan Wu wrote:
>> From: Mike Frysinger <vapier.adi@xxxxxxxxx>
>>
>> Signed-off-by: Mike Frysinger <vapier.adi@xxxxxxxxx>
>> Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx>
>> ---
>> drivers/serial/bfin_5xx.c | 8 ++------
>> 1 files changed, 2 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
>> index b89861d..71a9e6b 100644
>> --- a/drivers/serial/bfin_5xx.c
>> +++ b/drivers/serial/bfin_5xx.c
>> @@ -1250,7 +1250,7 @@ struct console __init *bfin_earlyserial_init(unsigned int port,
>> void bfin_serial_debug(const char *fmt, ...)
>> {
>> struct bfin_serial_port *uart = &bfin_serial_ports[0];
>> - unsigned short status, tmp;
>> + unsigned short status;
>> unsigned long flags;
>> int i, count;
>> char buf[128];
>> @@ -1273,11 +1273,7 @@ void bfin_serial_debug(const char *fmt, ...)
>> status = UART_GET_LSR(uart);
>> } while (!(status & THRE));
>>
>> -#ifndef CONFIG_BF54x
>> - tmp = UART_GET_LCR(uart);
>> - tmp &= ~DLAB;
>> - UART_PUT_LCR(uart, tmp);
>> -#endif
>> + UART_CLEAR_DLAB(uart);
>> UART_PUT_CHAR(uart, buf[i]);
>> if (buf[i] == '\n') {
>> do {
>
> This appears to be a small cleanup, not a bugfix.
>
> I'm OK with sneaking the odd non-bugfix into late -rc by accident -
> it's not teribly important, and getting the main bugs fixed overwhelms
> such considerations.
>
> However I have a sneaky suspicion that this patch might actually fix a
> bug, only we weren't told about it?
fixes an unused var warning. not really a "bug", but ...
-mike
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/