The sci_poll_get_char() needs to return immediately if there is no input from the chip to process, and must return a value of NO_POLL_CHAR.
This allows kgdboc to process multiple polled devices while kgdb is active. Signed-off-by: Jason Wessel <[email protected]> Acked-by: Paul Mundt <[email protected]> --- drivers/serial/sh-sci.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 37f0de9..d29b3fe 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -126,7 +126,11 @@ static int sci_poll_get_char(struct uart_port *port) handle_error(port); continue; } - } while (!(status & SCxSR_RDxF(port))); + break; + } while (1); + + if (!(status & SCxSR_RDxF(port))) + return NO_POLL_CHAR; c = sci_in(port, SCxRDR); -- 1.6.3.1.9.g95405b ------------------------------------------------------------------------------ Throughout its 18-year history, RSA Conference consistently attracts the world's best and brightest in the field, creating opportunities for Conference attendees to learn about information security's most important issues through interactions with peers, luminaries and emerging and established companies. http://p.sf.net/sfu/rsaconf-dev2dev _______________________________________________ Kgdb-bugreport mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/kgdb-bugreport
