On Wed, Mar 01, 2023 at 08:11:41AM +0100, Sascha Hauer wrote: > On Fri, Feb 10, 2023 at 12:16:29PM +0100, Sascha Hauer wrote: > > This series addresses issues for the recently added RTW88 USB support > > reported by Andreas Henriksson and also our customer. > > > > The hardware can't handle urbs that have a size of multiple of the > > bulkout_size (usually 512 bytes). The symptom is that the hardware > > stalls completely. The issue can be reproduced by sending a suitably > > sized ping packet from the device: > > > > ping -s 394 <somehost> > > > > (It's 394 bytes here on a RTL8822CU and RTL8821CU, the actual size may > > differ on other chips, it was 402 bytes on a RTL8723DU) > > > > Other than that qsel was not set correctly. The sympton here is that > > only one of multiple bulk endpoints was used to send data. > > > > Changes since v1: > > - Use URB_ZERO_PACKET to let the USB host controller handle it automatically > > rather than working around the issue. > > > > Sascha Hauer (3): > > wifi: rtw88: usb: Set qsel correctly > > wifi: rtw88: usb: send Zero length packets if necessary > > wifi: rtw88: usb: drop now unnecessary URB size check > > These patches went in upstream as: > > 7869b834fb07c wifi: rtw88: usb: Set qsel correctly > 07ce9fa6ab0e5 wifi: rtw88: usb: send Zero length packets if necessary > 462c8db6a0116 wifi: rtw88: usb: drop now unnecessary URB size check > > These patches make the RTW88 USB support much more reliable. Can they be > picked for the current 6.2 stable series please? All now queued up, thanks. greg k-h
