On Wednesday, March 14, 2018 12:50:54 PM CET Tomasz Figa wrote: > On Wed, Mar 14, 2018 at 8:12 PM, Rafael J. Wysocki <r...@rjwysocki.net> wrote: > > On Tuesday, March 13, 2018 12:23:34 PM CET Tomasz Figa wrote: > >> On Tue, Mar 13, 2018 at 7:34 PM, Vivek Gautam > >> <vivek.gau...@codeaurora.org> wrote: > >> > Hi Tomasz, > >> > > >> > On Tue, Mar 13, 2018 at 3:45 PM, Tomasz Figa <tf...@chromium.org> wrote: > >> >> Hi Vivek, > >> >> > >> >> Thanks for the patch. > >> >> > >> >> On Tue, Mar 13, 2018 at 5:55 PM, Vivek Gautam > >> >> <vivek.gau...@codeaurora.org> wrote: > >> >>> The lists managing the device-links can be traversed to > >> >>> find the link between two devices. The device_link_add() APIs > >> >>> does traverse these lists to check if there's already a link > >> >>> setup between the two devices. > >> >>> So, add a new APIs, device_link_find(), to find an existing > >> >>> device link between two devices - suppliers and consumers. > >> >> > >> >> I'm wondering if this API would be useful for anything else that the > >> >> problem we're trying to solve with deleting links without storing them > >> >> anywhere. Perhaps a device_link_del_dev(consumer, supplier) would be a > >> >> better alternative? > >> > > >> > Yea, that sounds simpler i think. Will add this API instead of > >> > find_link(). Thanks. > >> > >> Perhaps let's wait for a moment to see if there are other opinions. :) > >> > >> Rafael, Lucas, any thoughts? > > > > It is not clear to me what the device_link_del_dev(consumer, supplier) > > would do. > > It would delete a link between consumer and supplier.
If there's one I suppose. I'm wondering if you are somehow trying to address the same problem as the device links reference counting patch from Lukas that has been queued up for 4.17 already. Thanks, Rafael
