linux-kernel - Re: [PATCH 4/4] i2c: tegra: Use dma_request

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Message-ID: <f30dcd10-69ea-3bf7-99b2-8d12fc5e4cc0@nvidia.com>
Date:   Thu, 14 Nov 2019 07:05:47 +0000
From:   Jon Hunter <jonathanh@...dia.com>
To:     Peter Ujfalusi <peter.ujfalusi@...com>,
        <ludovic.desroches@...rochip.com>, <agross@...nel.org>,
        <wsa+renesas@...g-engineering.com>, <ldewangan@...dia.com>
CC:     <vkoul@...nel.org>, <linux-i2c@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-arm-msm@...r.kernel.org>, <digetx@...il.com>,
        <linux-tegra@...r.kernel.org>, <thierry.reding@...il.com>,
        <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <bjorn.andersson@...aro.org>
Subject: Re: [PATCH 4/4] i2c: tegra: Use dma_request_chan() directly for
 channel request


On 13/11/2019 09:22, Peter Ujfalusi wrote:
> dma_request_slave_channel_reason() is:
> #define dma_request_slave_channel_reason(dev, name) \
> 	dma_request_chan(dev, name)
> 
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
> ---
>  drivers/i2c/busses/i2c-tegra.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
> index c1683f9338b4..a98bf31d0e5c 100644
> --- a/drivers/i2c/busses/i2c-tegra.c
> +++ b/drivers/i2c/busses/i2c-tegra.c
> @@ -413,7 +413,7 @@ static int tegra_i2c_init_dma(struct tegra_i2c_dev *i2c_dev)
>  		return 0;
>  	}
>  
> -	chan = dma_request_slave_channel_reason(i2c_dev->dev, "rx");
> +	chan = dma_request_chan(i2c_dev->dev, "rx");
>  	if (IS_ERR(chan)) {
>  		err = PTR_ERR(chan);
>  		goto err_out;
> @@ -421,7 +421,7 @@ static int tegra_i2c_init_dma(struct tegra_i2c_dev *i2c_dev)
>  
>  	i2c_dev->rx_dma_chan = chan;
>  
> -	chan = dma_request_slave_channel_reason(i2c_dev->dev, "tx");
> +	chan = dma_request_chan(i2c_dev->dev, "tx");
>  	if (IS_ERR(chan)) {
>  		err = PTR_ERR(chan);
>  		goto err_out;
> 
Acked-by: Jon Hunter <jonathanh@...dia.com>

Cheers!
Jon


-- 
nvpublic