Ruslan Bilovol <ruslan.bilovol@xxxxxxxxx> writes: > UDC hardware may have endpoints with different maxpacket > size. Current endpoint matching code takes first matching > endpoint from the list. > > It's always possible that gadget allocates endpoints for > small transfers (maxpacket size) first, then larger ones. > That works fine if all matching UDC endpoints have same > maxpacket size or are big enough to serve that allocation. > > However, some UDCs have first endpoints in the list with > bigger maxpacket size, whereas last endpoints are much > smaller. In this case endpoint allocation will fail for > the gadget (which allocates smaller endpoints first) on > final endpoint allocations. > > To make endpoint allocation fair, pick up smallest > matching endpoints first, leaving bigger ones for > heavier applications. > > Signed-off-by: Ruslan Bilovol <ruslan.bilovol@xxxxxxxxx> checking file drivers/usb/gadget/epautoconf.c Hunk #1 succeeded at 151 with fuzz 1 (offset 85 lines). Hunk #2 FAILED at 77. 1 out of 2 hunks FAILED -- balbi
Attachment:
signature.asc
Description: PGP signature
