NACK [O]: [PATCH 0/1][SRU][Unstable/Plucky/Oracular] wifi: iwlwifi: fix CRF name for Bz

[Koichiro Den]

On Mon, Dec 16, 2024 at 03:25:36PM GMT, You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/2091546
> 
> [Impact]
> 
> Intel AX211 wireless module [8086:7740] subsys [8086:4090] wrongly recognized as
> BE201.
> ```
> $ lspci -nnk
> 00:14.3 Network controller [0280]: Intel Corporation Device [8086:7740]
>         Subsystem: Intel Corporation Device [8086:4090]
>         Kernel driver in use: iwlwifi
>         Kernel modules: iwlwifi
> $ sudo dmesg |grep iwlwifi
> ...
> iwlwifi 0000:00:14.3: PCI dev 7740/4090, rev=0x461, rfid=0x2010d000
> iwlwifi 0000:00:14.3: Detected Intel(R) Wi-Fi 7 BE201 320MHz
> iwlwifi 0000:00:14.3: TLV_FW_FSEQ_VERSION: FSEQ Version: 0.182.4.3
> iwlwifi 0000:00:14.3: loaded firmware version 92.7541f516.0 bz-b0-gf-a0-92.ucode op_mode iwlmvm
> iwlwifi 0000:00:14.3: loaded PNVM version da3b5cf2
> ...
> ```
> 
> [Fix]
> 
> Proposed fix
> https://lore.kernel.org/linux-wireless/20241212132940.b9eebda1ca60.I36791a134ed5e538e059418eb6520761da97b44c@changeid/ .
> 
> [Test Case]
> 
> 1. Install kernel from -proposed pocket on a DUT with specified wireless chip
>    installed,
> 2. check device name now becomes "Wi-Fi 6E AX211 160MHz":
> ```
> iwlwifi 0000:00:14.3: Detected crf-id 0x401410, cnv-id 0x80930 wfpm id 0x80005b20
> iwlwifi 0000:00:14.3: PCI dev 7740/4090, rev=0x461, rfid=0x2010d000
> iwlwifi 0000:00:14.3: Detected Intel(R) Wi-Fi 6E AX211 160MHz
> iwlwifi 0000:00:14.3: TLV_FW_FSEQ_VERSION: FSEQ Version: 0.182.4.3
> iwlwifi 0000:00:14.3: loaded firmware version 92.7541f516.0 bz-b0-gf-a0-92.ucode op_mode iwlmvm
> iwlwifi 0000:00:14.3: RFIm is deactivated, reason = 4
> iwlwifi 0000:00:14.3: loaded PNVM version da3b5cf2
> ```
> 
> [Where problems could occur]
> 
> This effects also other models(AX201/BE211) also previously wrongly recognized
> as BE201. We don't have such configuration at hand, but this patch should give
> them the right names as well.
> 
> [Other Info]
> 
> While this is still under review in linux-wireless mailing list, nominate to
> Unstable, Plucky, Oracular and OEM-6.11 as affected.
> 
> Emmanuel Grumbach (1):
>   UBUNTU: SAUCE: wifi: iwlwifi: fix CRF name for Bz
> 
>  drivers/net/wireless/intel/iwlwifi/cfg/bz.c   |  1 +
>  .../net/wireless/intel/iwlwifi/iwl-config.h   |  1 +
>  drivers/net/wireless/intel/iwlwifi/pcie/drv.c | 37 ++++++++++++++++++-
>  3 files changed, 38 insertions(+), 1 deletion(-)
> 

oracular:linux master-next already includes this via LP: #2097738.