Re: [PATCH] PCI: qcom: Add register dump support for PCIe Link Down events

:::::: 
:::::: Manual check reason: "linux-review patch is more than 7 days old, verify it wasn't already superseded"
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BCC: [email protected]
CC: [email protected]
In-Reply-To: <[email protected]>
References: <[email protected]>
TO: Krishna Chaitanya Chundru <[email protected]>
TO: Jingoo Han <[email protected]>
TO: Manivannan Sadhasivam <[email protected]>
TO: Lorenzo Pieralisi <[email protected]>
TO: "Krzysztof Wilczyński" <[email protected]>
TO: Rob Herring <[email protected]>
TO: Bjorn Helgaas <[email protected]>
CC: [email protected]
CC: [email protected]
CC: [email protected]
CC: Krishna Chaitanya Chundru <[email protected]>

Hi Krishna,

kernel test robot noticed the following build warnings:

[auto build test WARNING on d55d5a8f3d852baab49dba910dcb04b6d8091b05]

url:    https://github.com/intel-lab-lkp/linux/commits/Krishna-Chaitanya-Chundru/PCI-qcom-Add-register-dump-support-for-PCIe-Link-Down-events/20260811-214223
base:   d55d5a8f3d852baab49dba910dcb04b6d8091b05
patch link:    https://lore.kernel.org/r/20260811-regdump-v1-1-f22db3fb37c2%40oss.qualcomm.com
patch subject: [PATCH] PCI: qcom: Add register dump support for PCIe Link Down events
:::::: branch date: 34 hours ago
:::::: commit date: 34 hours ago
config: mips-randconfig-r134-20260821 (https://download.01.org/0day-ci/archive/20260821/[email protected]/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 935bfc708590c60147a79c7df145bb6e68b1d388)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260821/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/r/[email protected]/

All warnings (new ones prefixed by >>):

>> drivers/pci/controller/dwc/pcie-qcom.c:220:18: warning: unused variable 'qcom_pcie_ext_parf_dump_regs' [-Wunused-const-variable]
     220 | static const u32 qcom_pcie_ext_parf_dump_regs[] = {
         |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning generated.


vim +/qcom_pcie_ext_parf_dump_regs +220 drivers/pci/controller/dwc/pcie-qcom.c

32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11  219  
32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11 @220  static const u32 qcom_pcie_ext_parf_dump_regs[] = {
32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11  221  	PARF_PM_STTS,
32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11  222  	PARF_PM_STTS_1,
32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11  223  	PARF_INT_ALL_STATUS,
32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11  224  	PARF_INT_ALL_2_STATUS,
32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11  225  	PARF_CLKREQ_OVERRIDE,
32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11  226  	PARF_L1SS_SLEEP_MODE_HANDLER_STATUS,
32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11  227  	PARF_L1SS_SLEEP_MODE_HANDLER_CFG,
32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11  228  	PARF_CORE_ERRORS,
32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11  229  	PARF_LINK_DOWN_AXI_ECAM_BLOCK_STATUS,
32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11  230  	PARF_STATUS,
32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11  231  	PARF_SYS_CTRL,
32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11  232  };
32f357630af28b2 Krishna Chaitanya Chundru 2026-08-11  233  

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