net: stmmac: dwmac-rk: Don’t fail if phy regulator is absent [Linux 4.4.192]

This Linux kernel change "net: stmmac: dwmac-rk: Don’t fail if phy regulator is absent" is included in the Linux 4.4.192 release. This change is authored by Chen-Yu Tsai <wens [at] csie.org> on Thu Aug 29 11:17:24 2019 +0800. The commit for this change in Linux stable tree is 89e0660 (patch) which is from upstream commit […]