Re: [PATCH] spi: bcm2835: Drop assignment of dma_slave_config direction

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On 13-05-19, 16:48, Lukas Wunner wrote:
> The BCM2835 SPI driver still sets the "direction" member in struct
> dma_slave_config even though it was deprecated five years ago with
> commit d9ff958bb34a ("dmaengine: Mark the struct dma_slave_config
> direction field deprecated") and is no longer evaluated by the BCM2835
> DMA driver since commit 00648f4d0f41 ("dmaengine: bcm2835: remove
> dma_slave_config direction usage").

Great, thanks for doing this.

Reviewed-by: Vinod Koul <vkoul@xxxxxxxxxx>

> 
> Drop the superfluous assignment.
> No functional change intended.
> 
> Signed-off-by: Lukas Wunner <lukas@xxxxxxxxx>
> Cc: Frank Pavlic <f.pavlic@xxxxxxxxx>
> Cc: Martin Sperl <kernel@xxxxxxxxxxxxxxxx>
> Cc: Noralf Trønnes <noralf@xxxxxxxxxxx>
> ---
>  drivers/spi/spi-bcm2835.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
> index 1c34a7bcdb7f..9c03da7c18dd 100644
> --- a/drivers/spi/spi-bcm2835.c
> +++ b/drivers/spi/spi-bcm2835.c
> @@ -729,7 +729,6 @@ static void bcm2835_dma_init(struct spi_controller *ctlr, struct device *dev)
>  	}
>  
>  	/* configure DMAs */
> -	slave_config.direction = DMA_MEM_TO_DEV;
>  	slave_config.dst_addr = (u32)(dma_reg_base + BCM2835_SPI_FIFO);
>  	slave_config.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
>  
> @@ -737,7 +736,6 @@ static void bcm2835_dma_init(struct spi_controller *ctlr, struct device *dev)
>  	if (ret)
>  		goto err_config;
>  
> -	slave_config.direction = DMA_DEV_TO_MEM;
>  	slave_config.src_addr = (u32)(dma_reg_base + BCM2835_SPI_FIFO);
>  	slave_config.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
>  
> -- 
> 2.20.1

-- 
~Vinod



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