On Tue, 21 Feb 2023 at 02:03, Rebecca Cran <rebe...@quicinc.com> wrote: > > The use of the EmbeddedPkg/MetronomeDxe driver on Juno can cause problems > with drivers that use gBS->Stall, since it takes 10x longer than > requested. For example requesting a timeout of 1 ms when doing a USB > bulk transfer results in it taking 100 ms. Switching to the > MdeModulePkg/Universal/Metronome driver fixes this since it assumes the > timer clock ticks at least every 100 ns. > > While here, set the PCD value of the timer frequency to 0 so it gets > read from the SoC instead of hard-coding it. > > Changes in v2: > > Dropped the patch to set PcdTimerPeriod. > > Rebecca Cran (2): > Platform/ARM/JunoPkg: Switch to MdeModulePkg/Universal/Metronome > driver > Platform/ARM/JunoPkg: Set PcdArmArchTimerFreqInHz to 0 to read from > CNTFRQ_EL0 >
Reviewed-by: Ard Biesheuvel <a...@kernel.org> Pushed as 81ec441723a0..e20ee6e3a65d Thanks! > Platform/ARM/JunoPkg/ArmJuno.dsc | 6 +++--- > Platform/ARM/JunoPkg/ArmJuno.fdf | 2 +- > 2 files changed, 4 insertions(+), 4 deletions(-) > > -- > 2.30.2 > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#100405): https://edk2.groups.io/g/devel/message/100405 Mute This Topic: https://groups.io/mt/97099986/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-