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H A Dipu_common.cc510f2e436008e55a50b063f2180cb1e63984224 Thu Apr 28 02:07:53 UTC 2016 Peng Fan <van.freenix@gmail.com> video: ipu_common: fix build error

Some toolchains fail to build
"clk->rate = (u64)(clk->parent->rate * 16) / div;"
And the cast usage is wrong.

Use the following code to fix the issue,
"
do_div(parent_rate, div);
clk->rate = parent_rate;
"

Reported-by: Peter Robinson <pbrobinson@gmail.com>
Signed-off-by: Peng Fan <van.freenix@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Tom Rini <trini@konsulko.com>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Tested-by: Peter Robinson <pbrobinson@gmail.com>