[PATCH 4.14 037/138] powernv-cpufreq: Add helper to extract pstate from PMSR

4.14-stable review patch. If anyone has any objections, please let me know. -- From: "Gautham R. Shenoy" [ Upstream commit ee1f4a7dafa997816ff3de96155c6f3edc21c1e6 ] On POWERNV platform, the fields for pstates in the Power Management Status Register

[PATCH 4.14 037/138] powernv-cpufreq: Add helper to extract pstate from PMSR

4.14-stable review patch. If anyone has any objections, please let me know. -- From: "Gautham R. Shenoy" [ Upstream commit ee1f4a7dafa997816ff3de96155c6f3edc21c1e6 ] On POWERNV platform, the fields for pstates in the Power Management Status Register (PMSR) and the Power