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authorMark Brown <broonie@kernel.org>2024-03-13 18:22:15 +0000
committerMark Brown <broonie@kernel.org>2024-03-13 18:22:15 +0000
commite25293d9d92cce24aa4ca21b90064661fe4d3fcf (patch)
tree50f45e19a3e397db28b6681d9bf3975f3c6dee8e /drivers/tty/serial/fsl_lpuart.c
parent23fb6bc2696119391ec3a92ccaffe50e567c515e (diff)
parente8f897f4afef0031fe618a8e94127a0934896aba (diff)
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ASoC: Merge up release
In order to apply additional fixes that depend on the fixes merged for v6.8 merge up the final release.
Diffstat (limited to 'drivers/tty/serial/fsl_lpuart.c')
-rw-r--r--drivers/tty/serial/fsl_lpuart.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 5ddf110aedbe..bbcbc91482af 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -2345,9 +2345,12 @@ lpuart32_set_termios(struct uart_port *port, struct ktermios *termios,
lpuart32_write(&sport->port, bd, UARTBAUD);
lpuart32_serial_setbrg(sport, baud);
- lpuart32_write(&sport->port, modem, UARTMODIR);
- lpuart32_write(&sport->port, ctrl, UARTCTRL);
+ /* disable CTS before enabling UARTCTRL_TE to avoid pending idle preamble */
+ lpuart32_write(&sport->port, modem & ~UARTMODIR_TXCTSE, UARTMODIR);
/* restore control register */
+ lpuart32_write(&sport->port, ctrl, UARTCTRL);
+ /* re-enable the CTS if needed */
+ lpuart32_write(&sport->port, modem, UARTMODIR);
if ((ctrl & (UARTCTRL_PE | UARTCTRL_M)) == UARTCTRL_PE)
sport->is_cs7 = true;