Hi Robin, > -----Original Message----- > From: Robin Murphy <robin.murphy@xxxxxxx> > Sent: Friday, May 10, 2019 6:04 PM > > Hi Laurentiu, > > On 10/05/2019 15:56, wrote: > > From: Laurentiu Tudor <laurentiu.tudor@xxxxxxx> > > > > For HCs that have local memory, replace the current DMA API usage > > with a genalloc generic allocator to manage the mappings for these > > devices. > > This is in preparation for dropping the existing "coherent" dma > > mem declaration APIs. Current implementation was relying on a short > > circuit in the DMA API that in the end, was acting as an allocator > > for these type of devices. > > > > Only compiled tested, so any volunteers willing to test are most welcome. > > Based on my diggings into this in the past, I would expect that you need > to do something about hcd_alloc_coherent() as well. Indeed looks like it. Thanks a lot for the pointer, I'll dig into it. --- Best Regards, Laurentiu > > > > > Thank you! > > > > For context, see thread here: > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flkml.org > %2Flkml%2F2019%2F4%2F22%2F357&data=02%7C01%7Claurentiu.tudor%40nxp.com > %7C1ad4c377d109419121b808d6d558b0b0%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0 > %7C0%7C636930974257581614&sdata=pNRPPIoBmZ7UBfip%2FjRBYiMgGT3pf1riWLn2 > DS%2Fotl4%3D&reserved=0 > > > > Laurentiu Tudor (3): > > ohci-hcd: use genalloc for USB HCs with local memory > > usb: host: ohci-sm501: init genalloc for local memory > > usb: host: ohci-tmio: init genalloc for local memory > > > > drivers/usb/host/ohci-hcd.c | 21 +++++++++--- > > drivers/usb/host/ohci-sm501.c | 63 +++++++++++++++++++---------------- > > drivers/usb/host/ohci-tmio.c | 23 ++++++++----- > > drivers/usb/host/ohci.h | 3 ++ > > 4 files changed, 69 insertions(+), 41 deletions(-) > >
