Hi Magnus,
Thanks for your patch!
On Sun, Oct 21, 2018 at 7:56 PM Magnus Damm <magnus.damm@xxxxxxxxx> wrote:
> From: Magnus Damm <damm@xxxxxxxxxxxxx>
>
> For testing purpose enable IPMMU for Ethernet-AVB on R-Car M3-N/V3H/E3.
>
> Not for upstream merge.
>
> Not-Yet-Signed-off-by: Magnus Damm <damm@xxxxxxxxxxxxx>
> ---
>
> Applies on top of renesas-devel-20181019-v4.19-rc8
>
> drivers/iommu/ipmmu-vmsa.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> --- 0001/drivers/iommu/ipmmu-vmsa.c
> +++ work/drivers/iommu/ipmmu-vmsa.c 2018-10-22 02:46:30.139880557 +0900
> @@ -756,6 +756,10 @@ static int ipmmu_init_platform_device(st
>
> static bool ipmmu_slave_whitelist(struct device *dev)
> {
> + /* R-Car M3-N/V3H/E3 Ethernet-AVB */
> + if (!strcmp(dev_name(dev), "e6800000.ethernet"))
> + return true;
I'm afraid the whitelisting doesn't work that way: with the above check, it will
be enabled on all R-Car Gen3 SoCs.
> +
> /* By default, do not allow use of IPMMU */
> return false;
> }
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
