On Thu, Mar 28, 2019 at 02:29:39PM +0100, Stanislaw Gruszka wrote: > commit 5de4db8fcb6d6fc7d9064c22841211790c0ab81b upstream. > > We don't need to send firmware data asynchronously, much simpler is just > use synchronous usb_bulk_msg(). > > [ stable note: this patch was originally developed as cleanup, but it > remove incorrect usage of page_frag_alloc(): alloc more than PAGE_SIZE > and create not ARCH_DMA_MINALIGN dma buffers needed at least for > performance reason. Was tested on 5.0 and 4.20, see > https://bugzilla.kernel.org/show_bug.cgi?id=202673 and > https://bugzilla.kernel.org/show_bug.cgi?id=202241 ] > > Tested-by: Lorenzo Bianconi <lorenzo.bianconi@xxxxxxxxxx> > Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> > Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx> > --- > drivers/net/wireless/mediatek/mt76/mt76.h | 13 ++++++ > .../net/wireless/mediatek/mt76/mt76x02_usb_mcu.c | 52 +++++++--------------- > drivers/net/wireless/mediatek/mt76/usb.c | 1 - > 3 files changed, 29 insertions(+), 37 deletions(-) 4.20 is now end-of-life, but I have queued this up for 5.0.y, thanks! greg k-h
