On Mon, Aug 02, 2021 at 11:26:47AM +0100, Biju Das wrote: > The DMAC and EMAC blocks of Gigabit Ethernet IP found on RZ/G2L SoC are > similar to the R-Car Ethernet AVB IP. With a few changes in the driver we > can support both IPs. > > Currently a runtime decision based on the chip type is used to distinguish > the HW differences between the SoC families. > > The number of TX descriptors for R-Car Gen3 is 1 whereas on R-Car Gen2 and > RZ/G2L it is 2. For cases like this it is better to select the number of > TX descriptors by using a structure with a value, rather than a runtime > decision based on the chip type. > > This patch adds the num_tx_desc variable to struct ravb_hw_info and also > replaces the driver data chip type with struct ravb_hw_info by moving chip > type to it. > > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> Hi Biju This is better. A lot clearer what is going on. I personally would of done the num_tx_desc change as a separate patch, but this is O.K. Reviewed-by: Andrew Lunn <andrew@xxxxxxx> Andrew