Re: [PATCH] serial: pch_uart: fix sysrq handling for pch_uart

From: Randy Dunlap
Date: Thu Jan 24 2013 - 19:06:40 EST


On 01/23/13 20:31, Liang Li wrote:
> When PCH_UART_CONSOLE and SERIAL_CORE_CONSOLE is not set neither, the
> uart_port will have no 'sysrq' member hence their will need a '#ifdef'
> in pch_uart.c to handle the case, otherwise we'll see compile error
> like this:
>
> CC [M] drivers/tty/serial/pch_uart.o
> drivers/tty/serial/pch_uart.c: In function 'pch_uart_hal_read':
> drivers/tty/serial/pch_uart.c:572:11: error: 'struct uart_port' has no member named 'sysrq'
> make[4]: *** [drivers/tty/serial/pch_uart.o] Error 1
>
> Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> CC: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Signed-off-by: Liang Li <liang.li@xxxxxxxxxxxxx>

Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Thanks.

> ---
> Hi Greg,
>
> This is for 'tty-next' of your tty tree. Thanks.
>
> drivers/tty/serial/pch_uart.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
> index 1ddfc66..7a6c989 100644
> --- a/drivers/tty/serial/pch_uart.c
> +++ b/drivers/tty/serial/pch_uart.c
> @@ -569,10 +569,12 @@ static int pch_uart_hal_read(struct eg20t_port *priv, unsigned char *buf,
> if (uart_handle_break(port))
> continue;
> }
> +#ifdef SUPPORT_SYSRQ
> if (port->sysrq) {
> if (uart_handle_sysrq_char(port, rbr))
> continue;
> }
> +#endif
>
> buf[i++] = rbr;
> }
>


--
~Randy
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