linux-kernel - Re: [PATCH v6 09/16] dmaengine: tegra-apb: Remove unneeded initialization of tdc->config

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Date:   Thu, 30 Jan 2020 14:08:53 +0000
From:   Jon Hunter <jonathanh@...dia.com>
To:     Dmitry Osipenko <digetx@...il.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Vinod Koul <vkoul@...nel.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Michał Mirosław <mirq-linux@...e.qmqm.pl>
CC:     <dmaengine@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 09/16] dmaengine: tegra-apb: Remove unneeded
 initialization of tdc->config_init


On 30/01/2020 04:37, Dmitry Osipenko wrote:
> There is no need to re-initialize the already initialized variables.
> The tdc->config_init=false after driver's probe and after channel's
> freeing, so there is no need to re-initialize it on the channel's
> allocation.
> 
> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> ---
>  drivers/dma/tegra20-apb-dma.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
> index b4535b3a07ce..7158bd3145c4 100644
> --- a/drivers/dma/tegra20-apb-dma.c
> +++ b/drivers/dma/tegra20-apb-dma.c
> @@ -1284,7 +1284,6 @@ static int tegra_dma_alloc_chan_resources(struct dma_chan *dc)
>  	int ret;
>  
>  	dma_cookie_init(&tdc->dma_chan);
> -	tdc->config_init = false;
>  
>  	ret = pm_runtime_get_sync(tdma->dev);
>  	if (ret < 0)
> 

Acked-by: Jon Hunter <jonathanh@...dia.com>

Cheers
Jon

-- 
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