** Also affects: linux-raspi (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux-raspi (Ubuntu Impish)
Importance: Undecided
Status: New
** Changed in: linux-raspi (Ubuntu Hirsute)
Status: New => Won't Fix
** Changed in: linux-raspi (Ubuntu Jammy)
Status: New => Fix Released
** Changed in: linux-raspi (Ubuntu Impish)
Status: New => Fix Released
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-raspi in Ubuntu.
https://bugs.launchpad.net/bugs/1900665
Title:
Use the upstream dwc2 driver on arm64
Status in linux-raspi package in Ubuntu:
Fix Released
Status in linux-raspi source package in Focal:
Won't Fix
Status in linux-raspi source package in Groovy:
Won't Fix
Status in linux-raspi source package in Hirsute:
Won't Fix
Status in linux-raspi source package in Impish:
Fix Released
Status in linux-raspi source package in Jammy:
Fix Released
Bug description:
We currently use the dwc_otg driver from raspberrypi on 5.4 and 5.8
armhf and arm64 kernels. That driver supports FIQ interrupt handling
(presumable for better performance) but lacks the maintenance and bug
fixing of the vanilla upstream dwc driver. Turns out that FIQ handling
is disabled in the dwc_otg driver on arm64 so it makes little sense to
use that driver on arm64.
In fact, upstream raspberrypi recommends to use the dwc2 driver on
arm64.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1900665/+subscriptions
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