Hi Geert-san,
Thank you for the patch!
> Sent: Friday, July 10, 2015 8:59 PM
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
> Shimoda-san, are these correct?
Unfortunately, the buswitdh of SUDMAC is 1 only.
> It seems the SUDMAC (used in sh7757 only) was never wired up in
> mainline?
This is correct.
I'm not sure. But, I guess the SUDMAC is not used on new SoCs in the future.
Best regards,
Yoshihiro Shimoda
> ---
> drivers/dma/sh/sudmac.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/dma/sh/sudmac.c b/drivers/dma/sh/sudmac.c
> index 31e681230e1894f2..7c4066503ce335f7 100644
> --- a/drivers/dma/sh/sudmac.c
> +++ b/drivers/dma/sh/sudmac.c
> @@ -331,6 +331,8 @@ static const struct shdma_ops sudmac_shdma_ops = {
>
> static int sudmac_probe(struct platform_device *pdev)
> {
> + const enum dma_slave_buswidth widths = DMA_SLAVE_BUSWIDTH_1_BYTE |
> + DMA_SLAVE_BUSWIDTH_2_BYTES | DMA_SLAVE_BUSWIDTH_4_BYTES;
> struct sudmac_pdata *pdata = dev_get_platdata(&pdev->dev);
> int err, i;
> struct sudmac_device *su_dev;
> @@ -361,6 +363,9 @@ static int sudmac_probe(struct platform_device *pdev)
> return PTR_ERR(su_dev->chan_reg);
>
> dma_cap_set(DMA_SLAVE, dma_dev->cap_mask);
> + dma_dev->src_addr_widths = widths;
> + dma_dev->dst_addr_widths = widths;
> + dma_dev->directions = BIT(DMA_MEM_TO_DEV) | BIT(DMA_DEV_TO_MEM);
> dma_dev->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
>
> su_dev->shdma_dev.ops = &sudmac_shdma_ops;
> --
> 1.9.1
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