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commit739f04f4a4upstream. ciu clock is 2 times of io clock, but the sample clk used is derived from io clock provided to the card. So we should use io clock to calculate the phase. Fixes:59903441f5("mmc: dw_mmc-rockchip: Add internal phase support") Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> Acked-by: Heiko Stuebner <heiko@sntech.de> Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>