linux-kernel - Re: [PATCH] serial: tegra: read DMA status before terminating

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Message-ID: <Y05J19PplpDuOfR/@kroah.com>
Date:   Tue, 18 Oct 2022 08:38:15 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Kartik <kkartik@...dia.com>
Cc:     ldewangan@...dia.com, jirislaby@...nel.org,
        thierry.reding@...il.com, jonathanh@...dia.com, swarren@...dia.com,
        akhilrajeev@...dia.com, linux-serial@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] serial: tegra: read DMA status before terminating

On Tue, Oct 18, 2022 at 11:55:11AM +0530, Kartik wrote:
> To get the valid data, read DMA status before terminating the DMA. As
> dmaengine_terminate_all() deletes the DMA desc.
> 
> Fixes: e9ea096dd225 ("serial: tegra: add serial driver")
> 
> Signed-off-by: Akhil R <akhilrajeev@...dia.com>
> Signed-off-by: Kartik <kkartik@...dia.com>
> ---
>  drivers/tty/serial/serial-tegra.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Why send this twice?

confused,

greg k-h