On 12-12-2016 9:32, Rafał Miłecki wrote: > On 12 December 2016 at 09:12, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote: >> On Sat, 2016-12-10 at 16:54 +0100, Rafał Miłecki wrote: >>> In brcmfmac we use request_firmware_nowait and if fetching firmware >>> with NVRAM variables fails then we try to fallback to the platform >>> one (see brcmf_fw_request_code_done & brcmf_fw_request_nvram_done). >>> >>> Some problem for us is that on devices with platform NVRAM we get >>> this error: >>> Direct firmware load for brcm/brcmfmac43602-pcie.txt failed with error -2 >> >> This also happens with iwlwifi, because it requests multiple firmware >> versions starting at the most recent supported one (which is often not >> released at the same time). > > Good to know it may help others as well! > > >> So yeah, this would be really useful - why don't you just make a patch >> with some kind of flags, whether it's FW_OPT_* or new flags? > > OK! If noone will come with any special comments/ideas soon, I'll > propose a patch for using some flags. > > FWIW, meanwhile I submitted > [PATCH V2] firmware: simplify defining and handling FW_OPT_FALLBACK > https://patchwork.kernel.org/patch/9469875/ Similar thread couple of months ago [1] Regards, Arend [1] http://lists.infradead.org/pipermail/ath10k/2016-July/thread.html#8026
