[PATCH] serial: Add missing call to init UCC UART port timeout

Kumar Gala galak at kernel.crashing.org
Thu Nov 24 19:25:50 EST 2011


On Jun 18, 2010, at 8:22 AM, Chuck Meade wrote:

> From: Chuck Meade <chuck at ThePTRGroup.com>
> 
> The UCC UART driver is missing a call to uart_update_timeout().
> Without this call, attempting to close the port after outputting large
> amounts of data (i.e. using tty and uart buffering) results in long
> timeouts before the port will actually be shut down.
> 
> For example, cat a large file to a UCC UART port.  With the current
> driver, the port will stay open for 30 seconds after the last byte
> of data is output.  But with this patch, the port is closed as
> expected, just after the data has been output (tx fifos empty).
> 
> Signed-off-by: Chuck Meade <chuck at ThePTRGroup.com>
> ---
> drivers/serial/ucc_uart.c |    3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)

applied to next

- k


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