Hi Wolfram,
On Fri, Oct 31, 2014 at 11:51 AM, Wolfram Sang <wsa@xxxxxxxxxxxxx> wrote:
> --- a/drivers/i2c/busses/i2c-sh_mobile.c
> +++ b/drivers/i2c/busses/i2c-sh_mobile.c
> +static struct dma_chan *sh_mobile_i2c_request_dma_chan(struct device *dev,
> + enum dma_transfer_direction dir,
> + dma_addr_t port_addr)
> +{
> + dma_cap_mask_t mask;
> + struct dma_chan *chan;
> + struct dma_slave_config cfg;
> + int ret;
> +
> + dma_cap_zero(mask);
> + dma_cap_set(DMA_SLAVE, mask);
> +
> + chan = dma_request_slave_channel_compat(mask, shdma_chan_filter,
> + (void *)0UL, dev, dir == DMA_MEM_TO_DEV ? "tx" : "rx");
Given you only support DT DMA configuration (you always pass (void *)0UL
as the channel ID), I think you can call dma_request_slave_channel(dev,
dir == DMA_MEM_TO_DEV ? "tx" : "rx") directly instead of using the
dma_request_slave_channel_compat() wrapper.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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