Re: [PATCH v2] spi: rspi: use correct enum for DMA transfer direction

From: Geert Uytterhoeven
Date: Wed Mar 21 2018 - 04:07:01 EST


Hi Stefan,

On Mon, Mar 19, 2018 at 11:16 PM, Stefan Agner <stefan@xxxxxxxx> wrote:
> Use enum dma_transfer_direction as required by dmaengine_prep_slave_sg
> instead of enum dma_data_direction. This won't change behavior in
> practice as the enum values are equivalent.

Thanks for catching!

BTW, spi-sh-msiof has the same issue. Will sent a fix.

> This fixes two warnings when building with clang:
> drivers/spi/spi-rspi.c:538:26: warning: implicit conversion from enumeration
> type 'enum dma_data_direction' to different enumeration type
> 'enum dma_transfer_direction' [-Wenum-conversion]
> rx->sgl, rx->nents, DMA_FROM_DEVICE,
> ^~~~~~~~~~~~~~~
> drivers/spi/spi-rspi.c:558:26: warning: implicit conversion from enumeration
> type 'enum dma_data_direction' to different enumeration type
> 'enum dma_transfer_direction' [-Wenum-conversion]
> tx->sgl, tx->nents, DMA_TO_DEVICE,
> ^~~~~~~~~~~~~
>
> Signed-off-by: Stefan Agner <stefan@xxxxxxxx>

JFTR, as it's already applied
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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