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charset="utf-8" Reception and transmission should not be enabled or disabled while in INITM mode. Although the manual does not explicitly forbid modifying RXEN/TXEN during INITM, this mode is intended for other types of settings. Fixes: 09864c1cdf5c ("tty: serial: Add linflexuart driver for S32V234") Signed-off-by: Larisa Grigore --- drivers/tty/serial/fsl_linflexuart.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/fsl_linflexuart.c b/drivers/tty/serial/fsl_= linflexuart.c index a48240b0a5f2..768b3c67a614 100644 --- a/drivers/tty/serial/fsl_linflexuart.c +++ b/drivers/tty/serial/fsl_linflexuart.c @@ -350,8 +350,7 @@ static void linflex_setup_watermark(struct uart_port *s= port) /* set UART bit to allow writing other bits */ writel(LINFLEXD_UARTCR_UART, sport->membase + UARTCR); =20 - cr =3D (LINFLEXD_UARTCR_RXEN | LINFLEXD_UARTCR_TXEN | - LINFLEXD_UARTCR_WL0 | LINFLEXD_UARTCR_UART); + cr =3D (LINFLEXD_UARTCR_WL0 | LINFLEXD_UARTCR_UART); =20 writel(cr, sport->membase + UARTCR); =20 @@ -359,6 +358,9 @@ static void linflex_setup_watermark(struct uart_port *s= port) =20 writel(cr1, sport->membase + LINCR1); =20 + cr |=3D (LINFLEXD_UARTCR_RXEN | LINFLEXD_UARTCR_TXEN); + writel(cr, sport->membase + UARTCR); + ier =3D readl(sport->membase + LINIER); ier |=3D LINFLEXD_LINIER_DRIE; ier |=3D LINFLEXD_LINIER_DTIE; --=20 2.47.0