Re: [PATCH 3/3] tty: serial: tegra: Use dma_request_chan() directly for channel request

From: Jon Hunter
Date: Thu Nov 14 2019 - 02:05:23 EST



On 13/11/2019 09:46, 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@xxxxxx>
> ---
> drivers/tty/serial/serial-tegra.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
> index 2f599515c133..b6ace6290e23 100644
> --- a/drivers/tty/serial/serial-tegra.c
> +++ b/drivers/tty/serial/serial-tegra.c
> @@ -1122,8 +1122,7 @@ static int tegra_uart_dma_channel_allocate(struct tegra_uart_port *tup,
> int ret;
> struct dma_slave_config dma_sconfig;
>
> - dma_chan = dma_request_slave_channel_reason(tup->uport.dev,
> - dma_to_memory ? "rx" : "tx");
> + dma_chan = dma_request_chan(tup->uport.dev, dma_to_memory ? "rx" : "tx");
> if (IS_ERR(dma_chan)) {
> ret = PTR_ERR(dma_chan);
> dev_err(tup->uport.dev,
>

Acked-by: Jon Hunter <jonathanh@xxxxxxxxxx>

Cheers!
Jon

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nvpublic