It typically takes between one and two milliseconds for the PHY to
become ready after starting it. Increase the tight 3--10 us polling
period to the more reasonable 51--200 us.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20221012085002.24099-7-johan+linaro@kernel.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>