Messages in this thread | | | Subject | Re: [PATCH v5 net-next 00/12] net: ethernet: ti: introduce new cpsw switchdev based driver | From | Grygorii Strashko <> | Date | Tue, 12 Nov 2019 11:48:30 +0200 |
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On 11/11/2019 19:08, Tony Lindgren wrote: > * Grygorii Strashko <grygorii.strashko@ti.com> [191109 15:16]: >> Hi Tony, >> >> On 24/10/2019 19:05, Tony Lindgren wrote: >>> Hi, >>> >>> * Grygorii Strashko <grygorii.strashko@ti.com> [191024 10:10]: >>>> This the RFC v5 which introduces new CPSW switchdev based driver which is >>>> operating in dual-emac mode by default, thus working as 2 individual >>>> network interfaces. The Switch mode can be enabled by configuring devlink driver >>>> parameter "switch_mode" to 1/true: >>>> devlink dev param set platform/48484000.ethernet_switch \ >>>> name switch_mode value 1 cmode runtime >>> >>> Just wondering about the migration plan.. Is this a replacement >>> driver or used in addition to the old driver? >>> >> >> Sry, I've missed you mail. >> >> As it's pretty big change the idea is to keep both drivers at least for sometime. >> Step 1: add new driver and enable it on one platform. Do announcement. >> Step 2: switch all one-port and dual mac drivers to the new driver >> Step 3: switch all other platform to cpsw switchdev and deprecate old driver. > > OK sounds good to me. So for the dts changes, we keep the old binding > and just add a new module there?
yes, in general. As you can see Patch 11 I've rearranged cpsw nodes between boards so cpsw_new is enabled only on one board. But, Am5/dr7 board are good candidates to enable cpsw_new in batch as the have only dual_mac default cfg.
> > Or do you also have to disable some parts of the old dts?
it will be the case for am3/am5 most probably.
-- Best regards, grygorii
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