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 <[email protected]>
Signed-off-by: Peng Fan <[email protected]>
Cc: Stefano Babic <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Tom Rini <[email protected]>
Cc: Anatolij Gustschin <[email protected]>
Cc: Peter Robinson <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
Tested-by: Peter Robinson <[email protected]>

0 files changed, 0 insertions, 0 deletions