Linux Serial subsystem development
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From: Sherry Sun <sherry.sun@nxp.com>
To: gregkh@linuxfoundation.org, jirislaby@kernel.org
Cc: michael@walle.cc, jingchang.lu@freescale.com,
	tomonori.sakita@sord.co.jp, atsushi.nemoto@sord.co.jp,
	linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-imx@nxp.com
Subject: [PATCH V2 0/5] fsl_lpuart: improve Idle Line Interrupt and registers handle in .shutdown()
Date: Thu, 10 Nov 2022 16:17:23 +0800	[thread overview]
Message-ID: <20221110081728.10172-1-sherry.sun@nxp.com> (raw)

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


             reply	other threads:[~2022-11-10  8:19 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-10  8:17 Sherry Sun [this message]
2022-11-10  8:17 ` [PATCH V2 1/5] tty: serial: fsl_lpuart: only enable Idle Line Interrupt for non-dma case Sherry Sun
2022-11-22 16:56   ` Greg KH
2022-11-23 10:28     ` Sherry Sun
2022-11-10  8:17 ` [PATCH V2 2/5] tty: serial: fsl_lpuart: clear UARTCTRL_LOOPS in lpuart32_shutdown() Sherry Sun
2022-11-23 10:34   ` Michael Walle
2022-11-23 10:58     ` Sherry Sun
2022-11-23 11:09       ` Michael Walle
2022-11-23 11:30         ` Sherry Sun
2022-11-23 11:42           ` Michael Walle
2022-11-23 13:06             ` Sherry Sun
2022-11-10  8:17 ` [PATCH V2 3/5] tty: serial: fsl_lpuart: clear UARTMODIR register " Sherry Sun
2022-11-10  8:17 ` [PATCH V2 4/5] tty: serial: fsl_lpuart: disable Rx/Tx DMA " Sherry Sun
2022-11-10  8:17 ` [PATCH V2 5/5] tty: serial: fsl_lpuart: clear LPUART Status Register " Sherry Sun
2022-11-23 10:36   ` Michael Walle
2022-11-23 11:34     ` Sherry Sun

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