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X-CSE-ConnectionGUID: R5kA9XtUQsauNaTQWuavzw== X-CSE-MsgGUID: 7ucHjyaVTWyEE47k/aOxRw== X-IronPort-AV: E=McAfee;i="6800,10657,11473"; a="70346385" X-IronPort-AV: E=Sophos;i="6.16,259,1744095600"; d="scan'208";a="70346385" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jun 2025 10:59:58 -0700 X-CSE-ConnectionGUID: izoGaBvLRbaA4K23v1iYIg== X-CSE-MsgGUID: jJPYYTY6SuyCqjK4ttdppw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,259,1744095600"; d="scan'208";a="157454263" Received: from lkp-server01.sh.intel.com (HELO e8142ee1dce2) ([10.239.97.150]) by orviesa005.jf.intel.com with ESMTP; 23 Jun 2025 10:59:55 -0700 Received: from kbuild by e8142ee1dce2 with local (Exim 4.96) (envelope-from ) id 1uTlSS-000PBS-36; Mon, 23 Jun 2025 17:59:52 +0000 Date: Tue, 24 Jun 2025 01:59:46 +0800 From: kernel test robot To: Bitterblue Smith Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Ping-Ke Shih Subject: drivers/net/wireless/realtek/rtlwifi/rtl8192du/phy.c:2039:6: warning: stack frame size (1152) exceeds limit (1024) in 'rtl92du_phy_iq_calibrate' Message-ID: <202506240149.jkmuq1B9-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Bitterblue, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 86731a2a651e58953fc949573895f2fa6d456841 commit: 59ea089dcba3b51769280522fd62696d4d436cbc wifi: rtlwifi: Enable the new rtl8192du driver date: 1 year, 1 month ago config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20250624/202506240149.jkmuq1B9-lkp@intel.com/config) compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 875b36a8742437b95f623bab1e0332562c7b4b3f) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250624/202506240149.jkmuq1B9-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202506240149.jkmuq1B9-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/net/wireless/realtek/rtlwifi/rtl8192du/phy.c:4: In file included from drivers/net/wireless/realtek/rtlwifi/rtl8192du/../wifi.h:11: In file included from include/linux/etherdevice.h:20: In file included from include/linux/if_ether.h:19: In file included from include/linux/skbuff.h:17: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:8: In file included from include/linux/cacheflush.h:5: In file included from arch/powerpc/include/asm/cacheflush.h:7: In file included from include/linux/mm.h:2210: include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 509 | item]; | ~~~~ include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 516 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 528 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 537 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/wireless/realtek/rtlwifi/rtl8192du/phy.c:2039:6: warning: stack frame size (1152) exceeds limit (1024) in 'rtl92du_phy_iq_calibrate' [-Wframe-larger-than] 2039 | void rtl92du_phy_iq_calibrate(struct ieee80211_hw *hw) | ^ 6 warnings generated. vim +/rtl92du_phy_iq_calibrate +2039 drivers/net/wireless/realtek/rtlwifi/rtl8192du/phy.c af46caf0515281a Bitterblue Smith 2024-05-23 2038 af46caf0515281a Bitterblue Smith 2024-05-23 @2039 void rtl92du_phy_iq_calibrate(struct ieee80211_hw *hw) af46caf0515281a Bitterblue Smith 2024-05-23 2040 { af46caf0515281a Bitterblue Smith 2024-05-23 2041 long rege94, rege9c, regea4, regeac, regeb4; af46caf0515281a Bitterblue Smith 2024-05-23 2042 bool is12simular, is13simular, is23simular; af46caf0515281a Bitterblue Smith 2024-05-23 2043 struct rtl_priv *rtlpriv = rtl_priv(hw); af46caf0515281a Bitterblue Smith 2024-05-23 2044 struct rtl_hal *rtlhal = &rtlpriv->rtlhal; af46caf0515281a Bitterblue Smith 2024-05-23 2045 long regebc, regec4, regecc, regtmp = 0; af46caf0515281a Bitterblue Smith 2024-05-23 2046 struct rtl_phy *rtlphy = &rtlpriv->phy; af46caf0515281a Bitterblue Smith 2024-05-23 2047 u8 i, final_candidate, indexforchannel; af46caf0515281a Bitterblue Smith 2024-05-23 2048 bool patha_ok, pathb_ok; af46caf0515281a Bitterblue Smith 2024-05-23 2049 long result[4][8] = {}; af46caf0515281a Bitterblue Smith 2024-05-23 2050 af46caf0515281a Bitterblue Smith 2024-05-23 2051 RTPRINT(rtlpriv, FINIT, INIT_IQK, af46caf0515281a Bitterblue Smith 2024-05-23 2052 "IQK:Start!!!channel %d\n", rtlphy->current_channel); af46caf0515281a Bitterblue Smith 2024-05-23 2053 af46caf0515281a Bitterblue Smith 2024-05-23 2054 final_candidate = 0xff; af46caf0515281a Bitterblue Smith 2024-05-23 2055 patha_ok = false; af46caf0515281a Bitterblue Smith 2024-05-23 2056 pathb_ok = false; af46caf0515281a Bitterblue Smith 2024-05-23 2057 is12simular = false; af46caf0515281a Bitterblue Smith 2024-05-23 2058 is23simular = false; af46caf0515281a Bitterblue Smith 2024-05-23 2059 is13simular = false; af46caf0515281a Bitterblue Smith 2024-05-23 2060 RTPRINT(rtlpriv, FINIT, INIT_IQK, af46caf0515281a Bitterblue Smith 2024-05-23 2061 "IQK !!!currentband %d\n", rtlhal->current_bandtype); af46caf0515281a Bitterblue Smith 2024-05-23 2062 af46caf0515281a Bitterblue Smith 2024-05-23 2063 for (i = 0; i < 3; i++) { af46caf0515281a Bitterblue Smith 2024-05-23 2064 if (rtlhal->current_bandtype == BAND_ON_5G) { af46caf0515281a Bitterblue Smith 2024-05-23 2065 _rtl92du_phy_iq_calibrate_5g_normal(hw, result, i); af46caf0515281a Bitterblue Smith 2024-05-23 2066 } else if (rtlhal->current_bandtype == BAND_ON_2_4G) { af46caf0515281a Bitterblue Smith 2024-05-23 2067 if (IS_92D_SINGLEPHY(rtlhal->version)) af46caf0515281a Bitterblue Smith 2024-05-23 2068 _rtl92du_phy_iq_calibrate(hw, result, i, true); af46caf0515281a Bitterblue Smith 2024-05-23 2069 else af46caf0515281a Bitterblue Smith 2024-05-23 2070 _rtl92du_phy_iq_calibrate(hw, result, i, false); af46caf0515281a Bitterblue Smith 2024-05-23 2071 } af46caf0515281a Bitterblue Smith 2024-05-23 2072 af46caf0515281a Bitterblue Smith 2024-05-23 2073 if (i == 1) { af46caf0515281a Bitterblue Smith 2024-05-23 2074 is12simular = _rtl92du_phy_simularity_compare(hw, result, af46caf0515281a Bitterblue Smith 2024-05-23 2075 0, 1); af46caf0515281a Bitterblue Smith 2024-05-23 2076 if (is12simular) { af46caf0515281a Bitterblue Smith 2024-05-23 2077 final_candidate = 0; af46caf0515281a Bitterblue Smith 2024-05-23 2078 break; af46caf0515281a Bitterblue Smith 2024-05-23 2079 } af46caf0515281a Bitterblue Smith 2024-05-23 2080 } af46caf0515281a Bitterblue Smith 2024-05-23 2081 af46caf0515281a Bitterblue Smith 2024-05-23 2082 if (i == 2) { af46caf0515281a Bitterblue Smith 2024-05-23 2083 is13simular = _rtl92du_phy_simularity_compare(hw, result, af46caf0515281a Bitterblue Smith 2024-05-23 2084 0, 2); af46caf0515281a Bitterblue Smith 2024-05-23 2085 if (is13simular) { af46caf0515281a Bitterblue Smith 2024-05-23 2086 final_candidate = 0; af46caf0515281a Bitterblue Smith 2024-05-23 2087 break; af46caf0515281a Bitterblue Smith 2024-05-23 2088 } af46caf0515281a Bitterblue Smith 2024-05-23 2089 af46caf0515281a Bitterblue Smith 2024-05-23 2090 is23simular = _rtl92du_phy_simularity_compare(hw, result, af46caf0515281a Bitterblue Smith 2024-05-23 2091 1, 2); af46caf0515281a Bitterblue Smith 2024-05-23 2092 if (is23simular) { af46caf0515281a Bitterblue Smith 2024-05-23 2093 final_candidate = 1; af46caf0515281a Bitterblue Smith 2024-05-23 2094 } else { af46caf0515281a Bitterblue Smith 2024-05-23 2095 for (i = 0; i < 8; i++) af46caf0515281a Bitterblue Smith 2024-05-23 2096 regtmp += result[3][i]; af46caf0515281a Bitterblue Smith 2024-05-23 2097 af46caf0515281a Bitterblue Smith 2024-05-23 2098 if (regtmp != 0) af46caf0515281a Bitterblue Smith 2024-05-23 2099 final_candidate = 3; af46caf0515281a Bitterblue Smith 2024-05-23 2100 else af46caf0515281a Bitterblue Smith 2024-05-23 2101 final_candidate = 0xFF; af46caf0515281a Bitterblue Smith 2024-05-23 2102 } af46caf0515281a Bitterblue Smith 2024-05-23 2103 } af46caf0515281a Bitterblue Smith 2024-05-23 2104 } af46caf0515281a Bitterblue Smith 2024-05-23 2105 af46caf0515281a Bitterblue Smith 2024-05-23 2106 for (i = 0; i < 4; i++) { af46caf0515281a Bitterblue Smith 2024-05-23 2107 rege94 = result[i][0]; af46caf0515281a Bitterblue Smith 2024-05-23 2108 rege9c = result[i][1]; af46caf0515281a Bitterblue Smith 2024-05-23 2109 regea4 = result[i][2]; af46caf0515281a Bitterblue Smith 2024-05-23 2110 regeac = result[i][3]; af46caf0515281a Bitterblue Smith 2024-05-23 2111 regeb4 = result[i][4]; af46caf0515281a Bitterblue Smith 2024-05-23 2112 regebc = result[i][5]; af46caf0515281a Bitterblue Smith 2024-05-23 2113 regec4 = result[i][6]; af46caf0515281a Bitterblue Smith 2024-05-23 2114 regecc = result[i][7]; af46caf0515281a Bitterblue Smith 2024-05-23 2115 RTPRINT(rtlpriv, FINIT, INIT_IQK, af46caf0515281a Bitterblue Smith 2024-05-23 2116 "IQK: rege94=%lx rege9c=%lx regea4=%lx regeac=%lx regeb4=%lx regebc=%lx regec4=%lx regecc=%lx\n", af46caf0515281a Bitterblue Smith 2024-05-23 2117 rege94, rege9c, regea4, regeac, regeb4, regebc, regec4, af46caf0515281a Bitterblue Smith 2024-05-23 2118 regecc); af46caf0515281a Bitterblue Smith 2024-05-23 2119 } af46caf0515281a Bitterblue Smith 2024-05-23 2120 af46caf0515281a Bitterblue Smith 2024-05-23 2121 if (final_candidate != 0xff) { af46caf0515281a Bitterblue Smith 2024-05-23 2122 rege94 = result[final_candidate][0]; af46caf0515281a Bitterblue Smith 2024-05-23 2123 rtlphy->reg_e94 = rege94; af46caf0515281a Bitterblue Smith 2024-05-23 2124 rege9c = result[final_candidate][1]; af46caf0515281a Bitterblue Smith 2024-05-23 2125 rtlphy->reg_e9c = rege9c; af46caf0515281a Bitterblue Smith 2024-05-23 2126 regea4 = result[final_candidate][2]; af46caf0515281a Bitterblue Smith 2024-05-23 2127 regeac = result[final_candidate][3]; af46caf0515281a Bitterblue Smith 2024-05-23 2128 regeb4 = result[final_candidate][4]; af46caf0515281a Bitterblue Smith 2024-05-23 2129 rtlphy->reg_eb4 = regeb4; af46caf0515281a Bitterblue Smith 2024-05-23 2130 regebc = result[final_candidate][5]; af46caf0515281a Bitterblue Smith 2024-05-23 2131 rtlphy->reg_ebc = regebc; af46caf0515281a Bitterblue Smith 2024-05-23 2132 regec4 = result[final_candidate][6]; af46caf0515281a Bitterblue Smith 2024-05-23 2133 regecc = result[final_candidate][7]; af46caf0515281a Bitterblue Smith 2024-05-23 2134 af46caf0515281a Bitterblue Smith 2024-05-23 2135 RTPRINT(rtlpriv, FINIT, INIT_IQK, af46caf0515281a Bitterblue Smith 2024-05-23 2136 "IQK: final_candidate is %x\n", final_candidate); af46caf0515281a Bitterblue Smith 2024-05-23 2137 RTPRINT(rtlpriv, FINIT, INIT_IQK, af46caf0515281a Bitterblue Smith 2024-05-23 2138 "IQK: rege94=%lx rege9c=%lx regea4=%lx regeac=%lx regeb4=%lx regebc=%lx regec4=%lx regecc=%lx\n", af46caf0515281a Bitterblue Smith 2024-05-23 2139 rege94, rege9c, regea4, regeac, regeb4, regebc, regec4, af46caf0515281a Bitterblue Smith 2024-05-23 2140 regecc); af46caf0515281a Bitterblue Smith 2024-05-23 2141 af46caf0515281a Bitterblue Smith 2024-05-23 2142 patha_ok = true; af46caf0515281a Bitterblue Smith 2024-05-23 2143 pathb_ok = true; af46caf0515281a Bitterblue Smith 2024-05-23 2144 } else { af46caf0515281a Bitterblue Smith 2024-05-23 2145 rtlphy->reg_e94 = 0x100; af46caf0515281a Bitterblue Smith 2024-05-23 2146 rtlphy->reg_eb4 = 0x100; /* X default value */ af46caf0515281a Bitterblue Smith 2024-05-23 2147 rtlphy->reg_e9c = 0x0; af46caf0515281a Bitterblue Smith 2024-05-23 2148 rtlphy->reg_ebc = 0x0; /* Y default value */ af46caf0515281a Bitterblue Smith 2024-05-23 2149 } af46caf0515281a Bitterblue Smith 2024-05-23 2150 if (rege94 != 0 /*&& regea4 != 0*/) af46caf0515281a Bitterblue Smith 2024-05-23 2151 _rtl92du_phy_patha_fill_iqk_matrix(hw, patha_ok, result, af46caf0515281a Bitterblue Smith 2024-05-23 2152 final_candidate, af46caf0515281a Bitterblue Smith 2024-05-23 2153 regea4 == 0); af46caf0515281a Bitterblue Smith 2024-05-23 2154 if (IS_92D_SINGLEPHY(rtlhal->version) && af46caf0515281a Bitterblue Smith 2024-05-23 2155 regeb4 != 0 /*&& regec4 != 0*/) af46caf0515281a Bitterblue Smith 2024-05-23 2156 _rtl92du_phy_pathb_fill_iqk_matrix(hw, pathb_ok, result, af46caf0515281a Bitterblue Smith 2024-05-23 2157 final_candidate, af46caf0515281a Bitterblue Smith 2024-05-23 2158 regec4 == 0); af46caf0515281a Bitterblue Smith 2024-05-23 2159 af46caf0515281a Bitterblue Smith 2024-05-23 2160 if (final_candidate != 0xFF) { af46caf0515281a Bitterblue Smith 2024-05-23 2161 indexforchannel = af46caf0515281a Bitterblue Smith 2024-05-23 2162 rtl92d_get_rightchnlplace_for_iqk(rtlphy->current_channel); af46caf0515281a Bitterblue Smith 2024-05-23 2163 af46caf0515281a Bitterblue Smith 2024-05-23 2164 for (i = 0; i < IQK_MATRIX_REG_NUM; i++) af46caf0515281a Bitterblue Smith 2024-05-23 2165 rtlphy->iqk_matrix[indexforchannel].value[0][i] = af46caf0515281a Bitterblue Smith 2024-05-23 2166 result[final_candidate][i]; af46caf0515281a Bitterblue Smith 2024-05-23 2167 af46caf0515281a Bitterblue Smith 2024-05-23 2168 rtlphy->iqk_matrix[indexforchannel].iqk_done = true; af46caf0515281a Bitterblue Smith 2024-05-23 2169 af46caf0515281a Bitterblue Smith 2024-05-23 2170 rtl_dbg(rtlpriv, COMP_SCAN | COMP_MLME, DBG_LOUD, af46caf0515281a Bitterblue Smith 2024-05-23 2171 "IQK OK indexforchannel %d\n", indexforchannel); af46caf0515281a Bitterblue Smith 2024-05-23 2172 } af46caf0515281a Bitterblue Smith 2024-05-23 2173 } af46caf0515281a Bitterblue Smith 2024-05-23 2174 :::::: The code at line 2039 was first introduced by commit :::::: af46caf0515281a30e119b53afb3083fcc5110a9 wifi: rtlwifi: Add rtl8192du/phy.{c,h} :::::: TO: Bitterblue Smith :::::: CC: Ping-Ke Shih -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki