clk: hisi: refine parameter checking for init
authorLeo Yan <leo.yan@linaro.org>
Mon, 3 Aug 2015 01:13:34 +0000 (09:13 +0800)
committerStephen Boyd <sboyd@codeaurora.org>
Mon, 3 Aug 2015 21:44:53 +0000 (14:44 -0700)
commit1fb6dd9da6ed4f2953b62162f3c498a1f6d7bfca
tree60159d6d75090c29efe483d47dd3590893e997c7
parent3294bee87091be5f179474f6c39d1d87769635e2
clk: hisi: refine parameter checking for init

*of_iomap()* will check the device node pointer, and if the pointer is
NULL it will return error code. So refine clock's init flow by checking
the device node with this simple way; and polish a little for the print
out message.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
drivers/clk/hisilicon/clk.c