PM: AVS: qcom-cpr: Use div64_ul instead of do_div
authorChangcheng Deng <deng.changcheng@zte.com.cn>
Thu, 25 Nov 2021 01:43:11 +0000 (01:43 +0000)
committerBjorn Andersson <bjorn.andersson@linaro.org>
Tue, 21 Dec 2021 01:10:09 +0000 (19:10 -0600)
commit92c550f9ffd2884bb5def52b5c0485a35e452784
treedd6479a2a852b3e59c5a55bdab56bbbdf0f905a6
parent6fc61c39ee1adb5f4115d288c876772fcd8b6979
PM: AVS: qcom-cpr: Use div64_ul instead of do_div

do_div() does a 64-by-32 division. Here the divisor is an unsigned long
which on some platforms is 64 bit wide. So use div64_ul instead of do_div
to avoid a possible truncation.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211125014311.45942-1-deng.changcheng@zte.com.cn
drivers/soc/qcom/cpr.c