On Wed, Nov 29, 2017 at 9:20 AM, Luca Coelho <luca@xxxxxxxxx> wrote: > On Wed, 2017-11-29 at 08:51 +0100, Sedat Dilek wrote: >> On Tue, Nov 21, 2017 at 11:10 AM, Luca Coelho <luca@xxxxxxxxx> wrote: >> > On Tue, 2017-11-21 at 10:30 +0100, Sedat Dilek wrote: >> > > On Mon, Nov 20, 2017 at 12:02 PM, Luca Coelho <luca@xxxxxxxxx> >> > > wrote: >> > > [..] >> > > > ------------------------------------------------------------- >> > > > --- >> > > > iwlwifi: first set of fixes for 4.15 >> > > > >> > > > * Support new FW API version of scan cmd (used in FW version >> > > > 34); >> > > >> > > While seeing this... >> > > I have here a iwlwifi-8265 hardware and have seen a recently >> > > uploaded >> > > FW-version 34 in iwlwifi-firmware Git. >> > > Can you explain the dependence of iwlwifi firmware-version / >> > > Linux >> > > kernel-release and especially probing? >> > > Currently, I am using Linux v4.14 from Debian/experimental. >> > >> > Mostly for backwards-compatibility, the driver is able to work with >> > a >> > range of firmware versions. It only uses one of them at a time >> > (i.e. >> > the highest supported version it finds). >> > >> > The driver in v4.14 support version 34 and below. So it starts >> > looking >> > for that one and, if not found, falls back to the next lower >> > version >> > (i.e. 33) and so on, until it finds one. >> > >> >> Isn't Linux v4.14.3 (here: -rc1) minimum to completely support new >> features in v34 firmware? > > Yes, it is. But this was a bug and we can't go back and fix v4.14.0-2, > right? So it's the best we can do and whoever is using v4.14, should > update to v4.14.3 when it comes out to be able to use version 34 of the > firmware. > Thanks for the confirmation. I have added the patch from v4.14.3 to latest Debian-kernel v4.14.2 and rebuild the corresponding iwlwifi kernel-modules. v34 firmware works fine now. # dmesg | egrep iwlwifi [ 21.178769] iwlwifi: loading out-of-tree module taints kernel. [ 21.184459] iwlwifi 0000:04:00.0: enabling device (0000 -> 0002) [ 21.217170] iwlwifi 0000:04:00.0: firmware: direct-loading firmware iwlwifi-8265-34.ucode [ 21.218061] iwlwifi 0000:04:00.0: loaded firmware version 34.0.1 op_mode iwlmvm [ 21.271000] iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC 8265, REV=0x230 [ 21.340242] iwlwifi 0000:04:00.0: base HW address: bc:a8:a6:d1:3f:49 [ 21.432118] iwlwifi 0000:04:00.0 wlp4s0: renamed from wlan0 - Sedat -
