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| /openbmc/linux/drivers/mmc/host/ |
| H A D | sdhci.c | 59241757 Wed Jul 22 07:53:07 CDT 2015 Dong Aisheng <aisheng.dong@freescale.com> mmc: sdhci: make max-frequency property in device tree work
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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