linux-kernel - Re: [PATCH V2 1/5] tty: serial: fsl_lpuart: only enable Idle Line Interrupt for non-dma case

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Date:   Tue, 22 Nov 2022 17:56:11 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Sherry Sun <sherry.sun@....com>
Cc:     jirislaby@...nel.org, 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: Re: [PATCH V2 1/5] tty: serial: fsl_lpuart: only enable Idle Line
 Interrupt for non-dma case

On Thu, Nov 10, 2022 at 04:17:24PM +0800, Sherry Sun wrote:
> For the lpuart driver, the Idle Line Interrupt Enable now is only needed
> for the CPU mode, so enable the UARTCTRL_ILIE at the correct place, and
> clear it when shutdown.
> 
> Also need to configure the suitable UARTCTRL_IDLECFG, now the value is
> 0x7, represent 128 idle characters will trigger the Idle Line Interrupt.
> 
> Signed-off-by: Sherry Sun <sherry.sun@....com>
> ---
> Changes in V2:
> 1. Use FIELD_PREP() and GENMASK() for easy access to UARTCTRL_IDLECFG
> fields as suggested by Ilpo.
> ---
>  drivers/tty/serial/fsl_lpuart.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)

This commit breaks the build for me as FIELD_PREP() does not seem to be
included properly :(

Please fix up and resend.

thanks,

greg k-h