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authorWilliam Wu <wulf@rock-chips.com>2016-11-15 04:54:06 +0100
committerKishon Vijay Abraham I <kishon@ti.com>2016-11-18 13:49:15 +0100
commitae9fc711d3d0fe62ffeeb83f24e79e08eafd733f (patch)
tree9c59e32c3cd566f99425b657b0f4c3baee140cb7 /sound/pci
parentphy: rockchip-inno-usb2: support otg-port for rk3399 (diff)
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linux-ae9fc711d3d0fe62ffeeb83f24e79e08eafd733f.zip
phy: rockchip-inno-usb2: correct clk_ops callback
Since we needs to delay ~1ms to wait for 480MHz output clock of USB2 PHY to become stable after turn on it, the delay time is pretty long for something that's supposed to be "atomic" like a clk_enable(). Consider that clk_enable() will disable interrupt and that a 1ms interrupt latency is not sensible. The 480MHz output clock should be handled in prepare callbacks which support gate a clk if the operation may sleep. Signed-off-by: William Wu <wulf@rock-chips.com> Reviewed-by: Douglas Anderson <dianders@chromium.org> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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