Hmm, actually the older versions were pretty much an entirely different approach/patch (not involving fixing the dma_dev at all). Should I just resend without the "v3"? On Thu, 3 Sep 2020 at 16:19, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Thu, Sep 03, 2020 at 03:56:38PM +0800, Tom Yan wrote: > > Use scsi_add_host_with_dma() instead of scsi_add_host() in usb.c and uas.c. > > > > When the scsi request queue is initialized/allocated, hw_max_sectors is clamped > > to the dma max mapping size. Therefore, the correct device that should be used > > for the clamping needs to be set. > > > > The same clamping is still needed in the USB drivers as hw_max_sectors could be > > changed there. The original clamping would be invalidated in such cases. > > > > Signed-off-by: Tom Yan <tom.ty89@xxxxxxxxx> > > --- > > drivers/usb/storage/scsiglue.c | 2 +- > > drivers/usb/storage/uas.c | 17 +++++++++++------ > > drivers/usb/storage/usb.c | 5 +++-- > > 3 files changed, 15 insertions(+), 9 deletions(-) > > What changed from the previous version? Always include that below the > --- line as is documented to do so. > > Please fix up and resend. > > thanks, > > greg k-h
