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Date: Wed, 7 Sep 2022 07:09:07 +0800
From: kernel test robot <lkp@...el.com>
To: Matthias Brugger <matthias.bgg@...il.com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org
Subject: [mbgg-mediatek:v6.0-dev/svs-dev 21/23]
drivers/soc/mediatek/mtk-svs-mt8183.c:5:5: warning: no previous prototype
for function 'svs_mt8183_efuse_thermal_parsing'
tree: https://github.com/mbgg/linux-mediatek v6.0-dev/svs-dev
head: 996cb88cbd46222249a50da47fb7dc9fbe39623c
commit: 4fd7359457bb8c5e904f9ec22b465b5b188dc575 [21/23] soc: mtk-svs: mt8183: Move thermal parsing in new function
config: hexagon-randconfig-r002-20220906 (https://download.01.org/0day-ci/archive/20220907/202209070624.eshq44iE-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project c55b41d5199d2394dd6cdb8f52180d8b81d809d4)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/mbgg/linux-mediatek/commit/4fd7359457bb8c5e904f9ec22b465b5b188dc575
git remote add mbgg-mediatek https://github.com/mbgg/linux-mediatek
git fetch --no-tags mbgg-mediatek v6.0-dev/svs-dev
git checkout 4fd7359457bb8c5e904f9ec22b465b5b188dc575
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/soc/mediatek/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> drivers/soc/mediatek/mtk-svs-mt8183.c:5:5: warning: no previous prototype for function 'svs_mt8183_efuse_thermal_parsing' [-Wmissing-prototypes]
int svs_mt8183_efuse_thermal_parsing(struct svs_platform *svsp)
^
drivers/soc/mediatek/mtk-svs-mt8183.c:5:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int svs_mt8183_efuse_thermal_parsing(struct svs_platform *svsp)
^
static
1 warning generated.
vim +/svs_mt8183_efuse_thermal_parsing +5 drivers/soc/mediatek/mtk-svs-mt8183.c
4
> 5 int svs_mt8183_efuse_thermal_parsing(struct svs_platform *svsp)
6 {
7 struct svs_bank *svsb;
8 int format[6], x_roomt[6], o_vtsmcu[5], o_vtsabb, tb_roomt = 0;
9 int adc_ge_t, adc_oe_t, ge, oe, gain, degc_cali, adc_cali_en_t;
10 int o_slope, o_slope_sign, ts_id;
11 u32 idx, i, mts, temp0, temp1, temp2;
12
13 adc_ge_t = (svsp->tefuse[1] >> 22) & GENMASK(9, 0);
14 adc_oe_t = (svsp->tefuse[1] >> 12) & GENMASK(9, 0);
15
16 o_vtsmcu[0] = (svsp->tefuse[0] >> 17) & GENMASK(8, 0);
17 o_vtsmcu[1] = (svsp->tefuse[0] >> 8) & GENMASK(8, 0);
18 o_vtsmcu[2] = svsp->tefuse[1] & GENMASK(8, 0);
19 o_vtsmcu[3] = (svsp->tefuse[2] >> 23) & GENMASK(8, 0);
20 o_vtsmcu[4] = (svsp->tefuse[2] >> 5) & GENMASK(8, 0);
21 o_vtsabb = (svsp->tefuse[2] >> 14) & GENMASK(8, 0);
22
23 degc_cali = (svsp->tefuse[0] >> 1) & GENMASK(5, 0);
24 adc_cali_en_t = svsp->tefuse[0] & BIT(0);
25 o_slope_sign = (svsp->tefuse[0] >> 7) & BIT(0);
26
27 ts_id = (svsp->tefuse[1] >> 9) & BIT(0);
28 o_slope = (svsp->tefuse[0] >> 26) & GENMASK(5, 0);
29
30 if (adc_cali_en_t == 1) {
31 if (!ts_id)
32 o_slope = 0;
33
34 if (adc_ge_t < 265 || adc_ge_t > 758 ||
35 adc_oe_t < 265 || adc_oe_t > 758 ||
36 o_vtsmcu[0] < -8 || o_vtsmcu[0] > 484 ||
37 o_vtsmcu[1] < -8 || o_vtsmcu[1] > 484 ||
38 o_vtsmcu[2] < -8 || o_vtsmcu[2] > 484 ||
39 o_vtsmcu[3] < -8 || o_vtsmcu[3] > 484 ||
40 o_vtsmcu[4] < -8 || o_vtsmcu[4] > 484 ||
41 o_vtsabb < -8 || o_vtsabb > 484 ||
42 degc_cali < 1 || degc_cali > 63) {
43 dev_err(svsp->dev, "bad thermal efuse, no mon mode\n");
44 return -1;
45 }
46 } else {
47 dev_err(svsp->dev, "no thermal efuse, no mon mode\n");
48 return -1;
49 }
50
51 ge = ((adc_ge_t - 512) * 10000) / 4096;
52 oe = (adc_oe_t - 512);
53 gain = (10000 + ge);
54
55 format[0] = (o_vtsmcu[0] + 3350 - oe);
56 format[1] = (o_vtsmcu[1] + 3350 - oe);
57 format[2] = (o_vtsmcu[2] + 3350 - oe);
58 format[3] = (o_vtsmcu[3] + 3350 - oe);
59 format[4] = (o_vtsmcu[4] + 3350 - oe);
60 format[5] = (o_vtsabb + 3350 - oe);
61
62 for (i = 0; i < 6; i++)
63 x_roomt[i] = (((format[i] * 10000) / 4096) * 10000) / gain;
64
65 temp0 = (10000 * 100000 / gain) * 15 / 18;
66
67 if (!o_slope_sign)
68 mts = (temp0 * 10) / (1534 + o_slope * 10);
69 else
70 mts = (temp0 * 10) / (1534 - o_slope * 10);
71
72 for (idx = 0; idx < svsp->bank_max; idx++) {
73 svsb = &svsp->banks[idx];
74 svsb->mts = mts;
75
76 switch (svsb->sw_id) {
77 case SVSB_CPU_LITTLE:
78 tb_roomt = x_roomt[3];
79 break;
80 case SVSB_CPU_BIG:
81 tb_roomt = x_roomt[4];
82 break;
83 case SVSB_CCI:
84 tb_roomt = x_roomt[3];
85 break;
86 case SVSB_GPU:
87 tb_roomt = x_roomt[1];
88 break;
89 default:
90 dev_err(svsb->dev, "unknown sw_id: %u\n", svsb->sw_id);
91 return -1;
92 }
93
94 temp0 = (degc_cali * 10 / 2);
95 temp1 = ((10000 * 100000 / 4096 / gain) *
96 oe + tb_roomt * 10) * 15 / 18;
97
98 if (!o_slope_sign)
99 temp2 = temp1 * 100 / (1534 + o_slope * 10);
100 else
101 temp2 = temp1 * 100 / (1534 - o_slope * 10);
102
103 svsb->bts = (temp0 + temp2 - 250) * 4 / 10;
104 }
105
106 return 0;
107 }
108
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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