On Wed, Apr 6, 2022 at 10:18 AM Felix Fietkau <nbd@xxxxxxxx> wrote: > On 06.04.22 10:09, Krzysztof Kozlowski wrote: > > On 05/04/2022 21:57, Felix Fietkau wrote: > >> From: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> > >> > >> Document the binding for the Wireless Ethernet Dispatch core on the MT7622 > >> SoC, which is used for Ethernet->WLAN offloading > >> Add related info in mediatek-net bindings. > >> > >> Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> > >> Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> > > > > Thank you for your patch. There is something to discuss/improve. > > > >> --- > >> .../arm/mediatek/mediatek,mt7622-wed.yaml | 50 +++++++++++++++++++ > >> .../devicetree/bindings/net/mediatek-net.txt | 2 + > >> 2 files changed, 52 insertions(+) > >> create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml > > > > Don't store drivers in arm directory. See: > > https://lore.kernel.org/linux-devicetree/YkJa1oLSEP8R4U6y@xxxxxxxxxxxxxxxxxx/ > > > > Isn't this a network offload engine? If yes, then probably it should be > > in "net/". > It's not a network offload engine by itself. It's a SoC component that > connects to the offload engine and controls a MTK PCIe WLAN device, > intercepting interrupts and DMA rings in order to be able to inject > packets coming in from the offload engine. > Do you think it still belongs in net, or maybe in soc instead? I think it belongs into drivers/net/. Presumably this has some kind of user interface to configure which packets are forwarded? I would not want to maintain that in a SoC driver as this clearly needs to communicate with both of the normal network devices in some form. Arnd