Re: [PATCH] wifi: brcmfmac: handle missing D3 ACK on BCM4377 T2 Macs

From: kernel test robot

Date: Wed Sep 23 2026 - 07:42:33 EST


Hi Andre,

kernel test robot noticed the following build warnings:

[auto build test WARNING on wireless-next/main]
[also build test WARNING on wireless/main linus/master v7.3-rc4 next-20260922]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Andre-Eikmeyer/wifi-brcmfmac-handle-missing-D3-ACK-on-BCM4377-T2-Macs/20260918-233014
base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main
patch link: https://lore.kernel.org/r/20260918213014.1890677-1-dev%40deq.rocks
patch subject: [PATCH] wifi: brcmfmac: handle missing D3 ACK on BCM4377 T2 Macs
config: parisc-allyesconfig (https://download.01.org/0day-ci/archive/20260923/202609231342.UV1sSEzG-lkp@xxxxxxxxx/config)
compiler: hppa-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260923/202609231342.UV1sSEzG-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609231342.UV1sSEzG-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c:80:13: warning: 'brcmf_pcie_quirk_no_d3_ack' defined but not used [-Wunused-function]
80 | static bool brcmf_pcie_quirk_no_d3_ack(struct pci_dev *pdev)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/brcmf_pcie_quirk_no_d3_ack +80 drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c

79
> 80 static bool brcmf_pcie_quirk_no_d3_ack(struct pci_dev *pdev)
81 {
82 return pdev->vendor == PCI_VENDOR_ID_BROADCOM &&
83 pdev->device == BRCM_PCIE_4377_DEVICE_ID &&
84 dmi_check_system(brcmf_pcie_no_d3_ack_quirk);
85 }
86

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki