Hi Finn,
On Thu, May 3, 2018 at 6:24 AM, Finn Thain <fth...@telegraphics.com.au> wrote:
> Set the device's coherent_dma_mask to avoid a WARNING splat.
> Please see commit 205e1b7f51e4 ("dma-mapping: warn when there is
> no coherent_dma_mask").
>
> Cc: linux-m...@lists.linux-m68k.org
> Signed-off-by: Finn Thain <fth...@telegraphics.com.au>
Thanks for your patch!
> --- a/drivers/net/ethernet/natsemi/macsonic.c
> +++ b/drivers/net/ethernet/natsemi/macsonic.c
> @@ -523,6 +523,10 @@ static int mac_sonic_platform_probe(struct
> platform_device *pdev)
> struct sonic_local *lp;
> int err;
>
> + err = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
> + if (err)
> + return err;
> +
> dev = alloc_etherdev(sizeof(struct sonic_local));
> if (!dev)
> return -ENOMEM;
Shouldn't this be handled in the platform code that instantiates the device,
i.e. in arch/m68k/mac/config.c:mac_platform_init()?
Cfr. commit f61e64310b75733d ("m68k: set dma and coherent masks for platform
FEC ethernets").
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org
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
