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5924175755
Device tree provides option to specify the max freqency with property "max-frequency" in dts and common parse function mmc_of_parse() will parse it and use this value to set host->f_max to tell the MMC core the maxinum frequency the host works. However, current sdhci driver will finally overwrite this value with host->max_clk regardless of the max-frequency property. This patch makes sure not overwrite the max-frequency set from device tree and do basic sanity check. Signed-off-by: Dong Aisheng <aisheng.dong@freescale.com> Reviewed-by: Johan Derycke <johan.derycke@barco.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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