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SM8350 default init sequence sets some PCS registers to HS G3, thereby
disabling HS G4 mode. This has the effect on MPHY capability negotiation
between the host and the device during link startup and causes the
PA_MAXHSGEAR to G3 irrespective of device max gear.
Due to that, the agreed gear speed determined by the UFS core will become
G3 only and the platform won't run at G4.
So, let's remove setting these registers for SM8350 as like other G4
compatible platforms. One downside of this is that, when the board design
uses non-G4 compatible device, then MPHY will continue to run in the
default mode (G4) even if UFSHCD runs in G3. But this is the case for
other platforms as well.
Tested-by: Andrew Halaney <ahalaney@redhat.com> # Qdrive3/sa8540p-ride
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20230114071009.88102-10-manivannan.sadhasivam@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
0d46b98d3a