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Abel Vesa authored
If the clk_hw based API returns an error, trying to return the clk from hw will end up in a NULL pointer dereference. So adding the to_clk checker and using it inside every clk based macro helper we handle that case correctly. This to_clk is also temporary and will go away along with the clk based macro helpers once there is no user that need them anymore. Signed-off-by: Abel Vesa <abel.vesa@nxp.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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