linux-kernel - Re: [PATCH 8/9] spi: tegra114: Use dma_request

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Date:   Thu, 14 Nov 2019 07:06:14 +0000
From:   Jon Hunter <jonathanh@...dia.com>
To:     Peter Ujfalusi <peter.ujfalusi@...com>, <broonie@...nel.org>,
        <radu_nicolae.pirea@....ro>, <shawnguo@...nel.org>,
        <s.hauer@...gutronix.de>, <linus.walleij@...aro.org>,
        <agross@...nel.org>, <bjorn.andersson@...aro.org>,
        <andi@...zian.org>, <ldewangan@...dia.com>,
        <thierry.reding@...il.com>
CC:     <vkoul@...nel.org>, <linux-spi@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <alexandre.belloni@...tlin.com>,
        <linux-arm-msm@...r.kernel.org>, <kgene@...nel.org>,
        <krzk@...nel.org>, <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH 8/9] spi: tegra114: Use dma_request_chan() directly for
 channel request


On 13/11/2019 09:42, 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/spi/spi-tegra114.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c
> index e6a450d9b4f0..fc40ab146c86 100644
> --- a/drivers/spi/spi-tegra114.c
> +++ b/drivers/spi/spi-tegra114.c
> @@ -666,8 +666,7 @@ static int tegra_spi_init_dma_param(struct tegra_spi_data *tspi,
>  	dma_addr_t dma_phys;
>  	int ret;
>  
> -	dma_chan = dma_request_slave_channel_reason(tspi->dev,
> -					dma_to_memory ? "rx" : "tx");
> +	dma_chan = dma_request_chan(tspi->dev, dma_to_memory ? "rx" : "tx");
>  	if (IS_ERR(dma_chan)) {
>  		ret = PTR_ERR(dma_chan);
>  		if (ret != -EPROBE_DEFER)
> 

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

Cheers!
Jon

-- 
nvpublic