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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>