On Mon, Feb 1, 2021 at 11:35 PM Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> wrote: > > On Mon, Feb 01, 2021 at 09:34:19PM +0800, Kyle Tso wrote: > > PD Spec Revision 3.0 Version 2.0 + ECNs 2020-12-10 > > 6.4.4.2.3 Structured VDM Version > > "The Structured VDM Version field of the Discover Identity Command > > sent and received during VDM discovery Shall be used to determine the > > lowest common Structured VDM Version supported by the Port Partners or > > Cable Plug and Shall continue to operate using this Specification > > Revision until they are Detached." > > > > Also clear the fields newly defined in SVDM version 2.0 for > > compatibilities. And fix some VDO definitions changed in the Spec. > > > > Signed-off-by: Kyle Tso <kyletso@xxxxxxxxxx> > > --- > > Changes since v2: > > - rename the variable and the functions (remove the text "common") > > - remove the macro > > > > drivers/usb/typec/altmodes/displayport.c | 8 +- > > drivers/usb/typec/class.c | 21 +- > > drivers/usb/typec/tcpm/tcpm.c | 47 +++- > > drivers/usb/typec/ucsi/displayport.c | 12 +- > > drivers/usb/typec/ucsi/ucsi.c | 2 + > > include/linux/usb/pd_vdo.h | 315 +++++++++++++++++------ > > include/linux/usb/typec.h | 10 + > > 7 files changed, 326 insertions(+), 89 deletions(-) > > I think there is some room to split this one at least a little. The > changes to the class (so drivers/usb/typec/class.c and > include/linux/usb/typec.h) could be introduced separately at least. > > So I see there are two changes in this patch. You are modifying the > class, and then there are the updated PD definitions. Both should be > introduced in separate patches IMO. I think also each driver (so > ucsi.c and tcpm.c) can handle the changes to the class in its own > patch. The modifications to the PD definitions and updated VDO() and > so on can be handled in a single patch I guess. > I will separate this patch to different ones. thanks, Kyle > > thanks, > > -- > heikki