[PATCH v2 2/2] serial/amba-pl011: Leave the TX IRQ alone when the UART is not open

[Greg Kroah-Hartman]

On Fri, Mar 13, 2015 at 03:56:22PM +0000, Dave Martin wrote:
> Getting the TX IRQ re-asserted from scratch can be inefficient in
> some setups.
> 
> This patch avoids clearing the TX IRQ across pl011_shutdown()...
> pl011_startup(), so that if the port is closed and reopened, the
> IRQ will still work afterwards without having to bootstrap it again.
> 
> The TX IRQ continues to be masked in IMSC when the UART is not in
> use.
> 
> Signed-off-by: Dave Martin <Dave.Martin at arm.com>
> ---
>  drivers/tty/serial/amba-pl011.c |    5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)

This doesn't apply to my tty-testing branch of tty.git on git.kernel.org
:(

Can you please rebase it and resend?

thanks,

greg k-h