On 11. 01. 22, 9:22, Sherry Sun wrote:
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).
thanks,
--
js
suse labs
