On Tue, 15 Jul 2014, Antoine Ténart wrote: > Hi all, > > This is an attempt to add more common USB code aware of the generic PHY > framework, while keeping the compatibility for the USB PHY one. It does > not add the full support, some USB PHY specific functions not being > available currently in the generic PHY subsystem (e.g. usb_phy_set_power()). > But it allows to use the generic PHY framework in other cases, and might > help others to convert their USB PHY drivers. > > A little background: I submitted a series to support USB on Berlin SoCs[1]. > One patch added a new PHY driver in drivers/usb/phy and Felipe asked it to > be in the generic PHY framework instead[2]. This PHY being used by a ChipIdea > driver, changes were needed in ChipIdea, OTG and HCD. > > This is done in 3 steps: > 1. moving the OTG state from the USB PHY structure to the OTG one > 2. renaming the field 'phy' to 'usb_phy' > 3. adding a field for the generic framework PHY and dissociating its > use from the USB PHY one > > Step 1 is in the first patch. Steps 2 and 3 are done for OTG, and ChipIdea > subsystems in patches 2-3 and 7-8. > > HCD generic PHY support was made by Sergei and Yoshihiro[1]. I added some > modifications to make this support consistent with this series in patches > 4-6. > > I tested it by using the ChipIdea driver I introduced, both with an USB PHY > and a PHY driver successfully. I also compiled a multi_v7 kernel (ARM), with > every driver I could enable in the USB section. > > I'd like more people to test and your inputs and suggestions on these changes. > > Feel free to add Ccs if others might be interested in this. If needed patches > can be squashed or divided, I tried there to group modifications by USB > framework parts (OTG, HCD, ChipIdea). > > Patches can also be found at: > git://git.free-electrons.com:users/antoine-tenart/linux.git usb-phy > > The series applies on top of Sergei and Yoshihiro generic PHY support in > HCD[1]. For the changes to hub.c, hcd.c, and the ehci and ohci drivers: Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
