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[0/3] tty: serial: fsl_lpuart/imx: improve the TX break settings

Message ID 20221214031137.28815-1-sherry.sun@nxp.com
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Series tty: serial: fsl_lpuart/imx: improve the TX break settings | expand

Message

Sherry Sun Dec. 14, 2022, 3:11 a.m. UTC 
This patch set improve the TX break settings for lpuart and imx uart driver.
Add workaround patch for a LPUART IP bug about sending break signal. 
Also disable the break in .shutdown() for lpuart and imx uart like other uart
drivers.

This patch set has been verified on imx8mm(imx uart) and imx8ulp(lpuart).

Sherry Sun (3):
  tty: serial: fsl_lpuart: disable the CTS when send break signal
  tty: serial: fsl_lpuart: disable the break condition when shutdown the
    uart port
  tty: serial: imx: disable the break condition when shutdown the uart
    port

 drivers/tty/serial/fsl_lpuart.c | 28 ++++++++++++++++++++++++----
 drivers/tty/serial/imx.c        |  3 ++-
 2 files changed, 26 insertions(+), 5 deletions(-)