Linux-Serial Archive on
 help / color / Atom feed
* [PATCH] tty: serial: lpuart: fix lpuart32_write usage
@ 2020-09-28  3:13 Peng Fan
  0 siblings, 0 replies; only message in thread
From: Peng Fan @ 2020-09-28  3:13 UTC (permalink / raw)
  To: gregkh, jirislaby, andrew.smirnov
  Cc: linux-serial, linux-kernel, linux-imx, Peng Fan

The 2nd and 3rd parameter were wrongly used, and cause kernel abort when
doing kgdb debug.

Fixes: 1da17d7cf8e2c4("tty: serial: fsl_lpuart: Use appropriate lpuart32_* I/O funcs")
Signed-off-by: Peng Fan <>
 drivers/tty/serial/fsl_lpuart.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 5a5a22d77841..8c6aef46c9f5 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -677,7 +677,7 @@ static int lpuart32_poll_init(struct uart_port *port)
 static void lpuart32_poll_put_char(struct uart_port *port, unsigned char c)
 	lpuart32_wait_bit_set(port, UARTSTAT, UARTSTAT_TDRE);
-	lpuart32_write(port, UARTDATA, c);
+	lpuart32_write(port, c, UARTDATA);
 static int lpuart32_poll_get_char(struct uart_port *port)

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, back to index

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-09-28  3:13 [PATCH] tty: serial: lpuart: fix lpuart32_write usage Peng Fan

Linux-Serial Archive on

Archives are clonable:
	git clone --mirror linux-serial/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-serial linux-serial/ \
	public-inbox-index linux-serial

Example config snippet for mirrors

Newsgroup available over NNTP:

AGPL code for this site: git clone