On 8/19/21 8:33 PM, 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. >>> >>> This patch adds the struct ravb_hw_info to hold hw features, driver >>> data and function pointers to support both the IPs. It 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> >>> Reviewed-by: Andrew Lunn <andrew@xxxxxxx> [...] >>> reg) diff --git a/drivers/net/ethernet/renesas/ravb_main.c >>> b/drivers/net/ethernet/renesas/ravb_main.c >>> index 94eb9136752d..b6554e5e13af 100644 >>> --- a/drivers/net/ethernet/renesas/ravb_main.c >>> +++ b/drivers/net/ethernet/renesas/ravb_main.c >> [...] >>> @@ -2113,7 +2122,7 @@ static int ravb_probe(struct platform_device >> *pdev) >>> } >>> } >>> >>> - priv->chip_id = chip_id; >>> + priv->chip_id = info->chip_id; >> >> Do we still need priv->chip_id? > > The patch currently merged is preparation patch, subsequent patch will replace > all the chip_id in ravb_main with hardware features and driver features. > After that both priv->chip_id and info_chipid is not required for ravb_main.c > > However ptp driver[1] still uses it, by adding a feature bit we can replace > that as well. So going forward, there won't be any priv->chip_id or info->chip_id. > > Does it makes sense? > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/net/ethernet/renesas/ravb_ptp.c?h=v5.14-rc6#n200 OK, seems sane, go ahead. :-) > Regards, > Biju MBR, Sergey