When upstreaming the Gen4 PTP support for R-Car S4 the possibility for
different memory layouts on other Gen4 SoCs was build in. It turns out
this is not needed and instead needlessly makes the driver harder to
read, remove the support code that would have allowed different memory
layouts.
This change only deals with the public functions used by other drivers,
follow up work will clean up the rcar_gen4_ptp internals.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250908154426.3062861-2-niklas.soderlund+renesas@ragnatech.se
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add hardware offloading for L2 switching on R-Car S4.
On S4 brdev is limited to one per-device (not per port). Reasoning
is that hw L2 forwarding support lacks any sort of source port based
filtering, which makes it unusable to offload more than one bridge
device. Either you allow hardware to forward destination MAC to a
port, or you have to send it to CPU. You can't make it forward only
if src and dst ports are in the same brdev.
Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Signed-off-by: Michael Dege <michael.dege@renesas.com>
Link: https://patch.msgid.link/20250901-add_l2_switching-v5-3-5f13e46860d5@renesas.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Adding new functionality to the driver. Therefore splitting into multiple
c files to keep them manageable. New functionality will be added to
separate files.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Michael Dege <michael.dege@renesas.com>
Link: https://patch.msgid.link/20250901-add_l2_switching-v5-1-5f13e46860d5@renesas.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Geert Uytterhoeven