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authorWilliam Wu <wulf@rock-chips.com>2016-11-15 11:54:07 +0800
committerKishon Vijay Abraham I <kishon@ti.com>2016-11-18 18:19:15 +0530
commit882e1492c7caac8b2f41c50efc2648ff2cd88b72 (patch)
tree74c95c4f985dba5d8638aa9ec9db192899813e84 /drivers/phy/Makefile
parentae9fc711d3d0fe62ffeeb83f24e79e08eafd733f (diff)
downloadlinux-882e1492c7caac8b2f41c50efc2648ff2cd88b72.tar.bz2
phy: rockchip-inno-usb2: correct 480MHz output clock stable time
We found that the system crashed due to 480MHz output clock of USB2 PHY was unstable after clock had been enabled by gpu module. Theoretically, 1 millisecond is a critical value for 480MHz output clock stable time, so we try to change the delay time to 1.2 millisecond to avoid this issue. And the commit ed907fb1d7c3 ("phy: rockchip-inno-usb2: correct clk_ops callback") used prepare callbacks instead of enable callbacks to support gate a clk if the operation may sleep. So we can switch from delay to sleep functions. Also fix a spelling error from "waitting" to "waiting". 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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