Hi Jiri, > > Added support for counting the tty buffer overruns in fsl_lpuart > > driver like other uart drivers. > > > > Signed-off-by: Sherry Sun <sherry.sun@xxxxxxx> > > > > --- > > changes in V2 > > 1. Change the copied type to int to avoid implicit conversion, as the > > tty_insert_flip_string return type is int. > > --- > > drivers/tty/serial/fsl_lpuart.c | 20 +++++++++++++------- > > 1 file changed, 13 insertions(+), 7 deletions(-) > > > > diff --git a/drivers/tty/serial/fsl_lpuart.c > > b/drivers/tty/serial/fsl_lpuart.c index ce3e26144689..82a1a2817750 > > 100644 > > --- a/drivers/tty/serial/fsl_lpuart.c > > +++ b/drivers/tty/serial/fsl_lpuart.c > ... > > @@ -1116,7 +1118,7 @@ static void lpuart_copy_rx_to_tty(struct > lpuart_port *sport) > > struct dma_chan *chan = sport->dma_rx_chan; > > struct circ_buf *ring = &sport->rx_ring; > > unsigned long flags; > > - int count = 0; > > + int count = 0, copied = 0; > > Why is it necessary to initialize copied? > > Actually neither count needs to be initialized AFAICT. Care to fix that too (in a > separate patch). > You are right, actually here the initialization for copied is not necessary. I will remove it in V3. For the initialization for count, I can send another patch to remove it. Best regards Sherry
