[PATCH] serial: digicolor: fix sysrq handling

[Baruch Siach]

Hi Arnd,

On Tue, Jan 13, 2015 at 03:37:11PM +0100, Arnd Bergmann wrote:
> Trying to build the digicolor-usart driver when sysrq is disabled
> results in a compile error:
> 
> drivers/tty/serial/digicolor-usart.c: In function 'digicolor_uart_console_write':
> drivers/tty/serial/digicolor-usart.c:407:33: error: 'struct uart_port' has no member named 'sysrq'
> 
> Like a lot of other drivers, this one requires an #ifdef to avoid
> accessing the sysrq field here. While looking into this, I noticed
> that the case where sysrq support is enabled is also broken, because
> the driver fails to set the SUPPORT_SYSRQ macro.
> 
> This patch hopefully fixes both, but I do not hardware to test if sysrq
> is actually working now.

Unfortunately the hardware is not able to detect the BREAK condition, so it is 
not possible to support sysrq on this hardware. I'll send a patch removing 
sysrq reference.

Thanks for build testing and reporting.

baruch

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