linux-kernel - [PATCH V2 0/5] fsl_lpuart: improve Idle Line Interrupt and registers handle in .shutdown()

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Date:   Thu, 10 Nov 2022 16:17:23 +0800
From:   Sherry Sun <sherry.sun@....com>
To:     gregkh@...uxfoundation.org, jirislaby@...nel.org
Cc:     michael@...le.cc, jingchang.lu@...escale.com,
        tomonori.sakita@...d.co.jp, atsushi.nemoto@...d.co.jp,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-imx@....com
Subject: [PATCH V2 0/5] fsl_lpuart: improve Idle Line Interrupt and registers handle in .shutdown()

The patchset improve the Idle Line Interrupt for lpuart driver, also handle
the registers correctly for lpuart32 when closing the uart port.

Patches have been tested on imx8ulp-evk platform.

Sherry Sun (5):
  tty: serial: fsl_lpuart: only enable Idle Line Interrupt for non-dma
    case
  tty: serial: fsl_lpuart: clear UARTCTRL_LOOPS in lpuart32_shutdown()
  tty: serial: fsl_lpuart: clear UARTMODIR register in
    lpuart32_shutdown()
  tty: serial: fsl_lpuart: disable Rx/Tx DMA in lpuart32_shutdown()
  tty: serial: fsl_lpuart: clear LPUART Status Register in
    lpuart32_shutdown()

 drivers/tty/serial/fsl_lpuart.c | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

-- 
2.17.1