On Fri, Jan 21, 2011 at 3:31 PM, Thomas Weber <weber@xxxxxxxxxxxxx> wrote:
> Magic SysRq key is not working for OMAP on new serial
> console ttyOx because SUPPORT_SYSRQ is not defined
> for omap-serial.
>
> This patch defines SUPPORT_SYSRQ in omap-serial and
> enables handling of Magic SysRq character.
>
> Further there is an issue of losing first break character.
> Removing the reset of the lsr_break_flag fixes this issue.
>
> Signed-off-by: Thomas Weber <weber@xxxxxxxxxxxxx>
Acked-by: Govindraj.R <govindraj.raja@xxxxxx>
Tested-by: Manjunath G Kondaiah <manjugk@xxxxxx>
> ---
> drivers/serial/omap-serial.c | 5 ++++-
> 1 files changed, 4 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/serial/omap-serial.c b/drivers/serial/omap-serial.c
> index 7f2f010..699b344 100644
> --- a/drivers/serial/omap-serial.c
> +++ b/drivers/serial/omap-serial.c
> @@ -20,6 +20,10 @@
> * this driver as required for the omap-platform.
> */
>
> +#if defined(CONFIG_SERIAL_OMAP_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
> +#define SUPPORT_SYSRQ
> +#endif
> +
> #include <linux/module.h>
> #include <linux/init.h>
> #include <linux/console.h>
> @@ -190,7 +194,6 @@ static inline void receive_chars(struct uart_omap_port *up, int *status)
> if (up->port.line == up->port.cons->index) {
> /* Recover the break flag from console xmit */
> lsr |= up->lsr_break_flag;
> - up->lsr_break_flag = 0;
> }
> #endif
> if (lsr & UART_LSR_BI)
> --
> 1.7.4.rc2
>
> --
> 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/
>
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
