PCI: mediatek-gen3: Disable DVFSRC voltage request

When the DVFSRC (dynamic voltage and frequency scaling resource collector)
feature is not implemented, the PCIe hardware will assert a voltage request
signal when exit from the L1 PM Substates to request a specific Vcore
voltage, but cannot receive the voltage ready signal, which will cause
the link to fail to exit the L1 PM Substates.

Disable DVFSRC voltage request by default, we need to find a common way to
enable it in the future.

Link: https://lore.kernel.org/r/[email protected]
Fixes: d3bf75b579b9 ("PCI: mediatek-gen3: Add MediaTek Gen3 driver for MT8192")
Tested-by: Qizhong Cheng <[email protected]>
Signed-off-by: Jianjun Wang <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Reviewed-by: Tzung-Bi Shih <[email protected]>
Reviewed-by: Matthias Brugger <[email protected]>

0 files changed, 0 insertions, 0 deletions