On Thu, Jan 7, 2021 at 11:49 PM Mathias Kresin <d...@kresin.me> wrote: > > Commit 65dc2e725286 ("usb: dwc2: Update Core Reset programming flow.") > revealed that the phy isn't ready immediately after enabling it's > clocks. The dwc2_check_core_version() fails and the dwc2 usb driver > errors out. > > Add a short delay to let the phy get up and running. There isn't any > documentation how much time is required, the value was chosen based on > tests. > > Cc: <sta...@vger.kernel.org> # v5.7+ > Signed-off-by: Mathias Kresin <d...@kresin.me> Acked-by: Martin Blumenstingl <martin.blumensti...@googlemail.com>