Andy Duan <fugang.d...@nxp.com> [2019-05-13 03:31:59]: > From: Andrew Lunn <and...@lunn.ch> Sent: Saturday, May 11, 2019 2:18 AM > > On Fri, May 10, 2019 at 08:24:03AM +0000, Andy Duan wrote: > > > If MAC address read from nvmem cell and it is valid mac address, > > > .of_get_mac_addr_nvmem() add new property "nvmem-mac-address" in > > > ethernet node. Once user call .of_get_mac_address() to get MAC address > > > again, it can read valid MAC address from device tree in directly. > > > > I suspect putting the MAC address into OF will go away in a follow up > > patch. It > > is a bad idea. > > > > Andrew > > I don't know the history why does of_get_mac_addr_nvmem() add the new property > "nvmem-mac-address" into OF. But if it already did that, so the patch add the > property > check in . of_get_mac_address() to avoid multiple read nvmem cells in driver.
it was removed[1] already, more details[2]. 1. https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=265749861a2483263e6cd4c5e305640e4651c110 2. https://patchwork.ozlabs.org/patch/1092248/#2167609 -- ynnezz
