On 1 February 2017 at 09:33, Pali Rohár <pali.rohar@xxxxxxxxx> wrote: > On Tuesday 31 January 2017 07:59:18 Tony Lindgren wrote: >> * Kalle Valo <kvalo@xxxxxxxxxxxxxx> [170130 22:36]: [...] >> > * before distro updates linux-firmware create yours own deb/rpm/whatever >> > package "wl1251-firmware" which installs your flavor of nvs file (or >> > the user fallback helper if more dynamic functionality is preferred) >> >> And that won't work when using the same file system on other machines. >> >> Think NFSroot for example. At least I'm using the same NFSroot across >> about 15 different machines including one n900 macro board with smc91x >> Ethernet. > > Exactly problem which we already discussed in previous emails. You > cannot serve one file (loaded by direct request_firmware) when your > rootfs is readonly, e.g. comes via NFS shared for more devices... You can extract the nvs blob, put it in tmpfs and bind-mount (or symlink) it to /lib/firmware/ via modprobe install hook (or init scripts). Michał
