Re: [PATCH] tg3: make depend on ZONE_DMA

[Pavan Chebbi]

On Sat, Oct 31, 2026 at 7:05 PM Rui Salvaterra <rsalvaterra@xxxxxxxxx> wrote:
>
> Since 614f4d166eee, on systems with ZONE_DMA unavailable, the Tigon3 driver
> fails to initialize, at least on systems with BCM57766 controllers. On a late
> 2012 Mac Mini:
>
> [    1.226623] tg3 0000:01:00.0: Unable to obtain 64 bit DMA for consistent allocations
> [    1.226718] tg3 0000:01:00.0: probe with driver tg3 failed with error -5
>
> Fixes: 614f4d166eee "tg3: Set coherent DMA mask bits to 31 for BCM57766 chipsets"
>
> Cc: stable@xxxxxxxxxxxxxxx
>
> Signed-off-by: Rui Salvaterra <rsalvaterra@xxxxxxxxx>
> ---
>  drivers/net/ethernet/broadcom/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>

No! This is not the solution. Please wait while I am trying to fix it.

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