linux-kernel - RE: [PATCH V3 0/3] fsl_lpuart: improve Idle Line Interrupt and registers handle in .shutdown()

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Message-ID: <AS8PR04MB8404BABDC0FD4FAB0D89534B92E09@AS8PR04MB8404.eurprd04.prod.outlook.com>
Date:   Wed, 14 Dec 2022 02:43:16 +0000
From:   Sherry Sun <sherry.sun@....com>
To:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "jirislaby@...nel.org" <jirislaby@...nel.org>
CC:     "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>,
        "atsushi.nemoto@...d.co.jp" <atsushi.nemoto@...d.co.jp>,
        "tomonori.sakita@...d.co.jp" <tomonori.sakita@...d.co.jp>
Subject: RE: [PATCH V3 0/3] fsl_lpuart: improve Idle Line Interrupt and
 registers handle in .shutdown()

Gentle ping for this patch set...

Best Regards
Sherry

> -----Original Message-----
> From: Sherry Sun
> Sent: 2022年11月25日 18:24
> To: gregkh@...uxfoundation.org; jirislaby@...nel.org
> Cc: linux-serial@...r.kernel.org; linux-kernel@...r.kernel.org; dl-linux-imx
> <linux-imx@....com>; atsushi.nemoto@...d.co.jp;
> tomonori.sakita@...d.co.jp
> Subject: [PATCH V3 0/3] fsl_lpuart: improve Idle Line Interrupt and registers
> handle in .shutdown()
> 
> ---
> Changes in V3:
> 1. Add the corresponding head files for GENMASK and FIELD_PREP to avoid
> build break.
> 2. Remove the patch 2 and patch 3 in the original patch set, as the loopback
> and RTS/CTS flags may not need to be cleared 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 (3):
>   tty: serial: fsl_lpuart: only enable Idle Line Interrupt for non-dma
>     case
>   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 | 22 +++++++++++++++++-----
>  1 file changed, 17 insertions(+), 5 deletions(-)
> 
> --
> 2.17.1