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Vladimir Oltean says: ==================== New DSA driver for VSC9953 Seville switch Looking at the Felix and Ocelot drivers, Maxim asked if it would be possible to use them as a base for a new driver for the Seville switch inside NXP T1040. Turns out, it is! The result is that the mscc_felix driver was extended to probe on Seville. The biggest challenge seems to be getting register read/write API generic enough to cover such wild bitfield variations between hardware generations. Currently, both felix and seville are built under the same kernel config option (NET_DSA_MSCC_FELIX). This has both some advantages (no need to duplicate the Lynx PCS code from felix_vsc9959.c) and some disadvantages (Seville needs to depend on PCI and on ENETC_MDIO). This will be further refined as time progresses. The driver has been completely reviewed. Previous submission was here, it wasn't accepted due to a conflict with Mark Brown's tree, very late in the release cycle: https://patchwork.ozlabs.org/project/netdev/cover/20200531122640.1375715-1-olteanv@gmail.com/ So this is more of a repost, with the only changes being related to rebasing on top of the cleanup I had to do in Ocelot. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel
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