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Message-ID: <202509262155.Ux4J6K4D-lkp@intel.com>
Date: Fri, 26 Sep 2025 21:26:01 +0800
From: kernel test robot <lkp@...el.com>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
ulf.hansson@...aro.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, robh@...nel.org,
krzk+dt@...nel.org, conor+dt@...nel.org, matthias.bgg@...il.com,
angelogioacchino.delregno@...labora.com, nfraprado@...labora.com,
fshao@...omium.org, y.oudjana@...tonmail.com, wenst@...omium.org,
mandyjh.liu@...iatek.com, mbrugger@...e.com,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, kernel@...labora.com
Subject: Re: [PATCH v2 3/5] pmdomain: mediatek: Add support for secure HWCCF
infra power on
Hi AngeloGioacchino,
kernel test robot noticed the following build errors:
[auto build test ERROR on next-20250924]
[cannot apply to robh/for-next linus/master v6.17-rc7 v6.17-rc6 v6.17-rc5 v6.17-rc7]
[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/AngeloGioacchino-Del-Regno/dt-bindings-power-Add-support-for-MT8196-power-controllers/20250925-223530
base: next-20250924
patch link: https://lore.kernel.org/r/20250925143122.39796-4-angelogioacchino.delregno%40collabora.com
patch subject: [PATCH v2 3/5] pmdomain: mediatek: Add support for secure HWCCF infra power on
config: i386-buildonly-randconfig-001-20250926 (https://download.01.org/0day-ci/archive/20250926/202509262155.Ux4J6K4D-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250926/202509262155.Ux4J6K4D-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202509262155.Ux4J6K4D-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/pmdomain/mediatek/mtk-pm-domains.c:124:23: error: variable has incomplete type 'struct arm_smccc_res'
124 | struct arm_smccc_res res;
| ^
drivers/pmdomain/mediatek/mtk-pm-domains.c:124:9: note: forward declaration of 'struct arm_smccc_res'
124 | struct arm_smccc_res res;
| ^
>> drivers/pmdomain/mediatek/mtk-pm-domains.c:127:2: error: call to undeclared function 'arm_smccc_smc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
127 | arm_smccc_smc(MTK_SIP_KERNEL_HWCCF_CONTROL, cmd, 0, 0, 0, 0, 0, 0, &res);
| ^
>> drivers/pmdomain/mediatek/mtk-pm-domains.c:127:16: error: call to undeclared function 'ARM_SMCCC_CALL_VAL'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
127 | arm_smccc_smc(MTK_SIP_KERNEL_HWCCF_CONTROL, cmd, 0, 0, 0, 0, 0, 0, &res);
| ^
drivers/pmdomain/mediatek/mtk-pm-domains.c:55:38: note: expanded from macro 'MTK_SIP_KERNEL_HWCCF_CONTROL'
55 | #define MTK_SIP_KERNEL_HWCCF_CONTROL MTK_SIP_SMC_CMD(0x540)
| ^
include/linux/soc/mediatek/mtk_sip_svc.h:22:2: note: expanded from macro 'MTK_SIP_SMC_CMD'
22 | ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, MTK_SIP_SMC_CONVENTION, \
| ^
>> drivers/pmdomain/mediatek/mtk-pm-domains.c:127:16: error: use of undeclared identifier 'ARM_SMCCC_FAST_CALL'
drivers/pmdomain/mediatek/mtk-pm-domains.c:55:38: note: expanded from macro 'MTK_SIP_KERNEL_HWCCF_CONTROL'
55 | #define MTK_SIP_KERNEL_HWCCF_CONTROL MTK_SIP_SMC_CMD(0x540)
| ^
include/linux/soc/mediatek/mtk_sip_svc.h:22:21: note: expanded from macro 'MTK_SIP_SMC_CMD'
22 | ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, MTK_SIP_SMC_CONVENTION, \
| ^
>> drivers/pmdomain/mediatek/mtk-pm-domains.c:127:16: error: use of undeclared identifier 'ARM_SMCCC_SMC_32'
drivers/pmdomain/mediatek/mtk-pm-domains.c:55:38: note: expanded from macro 'MTK_SIP_KERNEL_HWCCF_CONTROL'
55 | #define MTK_SIP_KERNEL_HWCCF_CONTROL MTK_SIP_SMC_CMD(0x540)
| ^
include/linux/soc/mediatek/mtk_sip_svc.h:22:42: note: expanded from macro 'MTK_SIP_SMC_CMD'
22 | ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, MTK_SIP_SMC_CONVENTION, \
| ^
include/linux/soc/mediatek/mtk_sip_svc.h:18:41: note: expanded from macro 'MTK_SIP_SMC_CONVENTION'
18 | #define MTK_SIP_SMC_CONVENTION ARM_SMCCC_SMC_32
| ^
>> drivers/pmdomain/mediatek/mtk-pm-domains.c:127:16: error: use of undeclared identifier 'ARM_SMCCC_OWNER_SIP'
drivers/pmdomain/mediatek/mtk-pm-domains.c:55:38: note: expanded from macro 'MTK_SIP_KERNEL_HWCCF_CONTROL'
55 | #define MTK_SIP_KERNEL_HWCCF_CONTROL MTK_SIP_SMC_CMD(0x540)
| ^
include/linux/soc/mediatek/mtk_sip_svc.h:23:7: note: expanded from macro 'MTK_SIP_SMC_CMD'
23 | ARM_SMCCC_OWNER_SIP, fn_id)
| ^
6 errors generated.
vim +124 drivers/pmdomain/mediatek/mtk-pm-domains.c
54
> 55 #define MTK_SIP_KERNEL_HWCCF_CONTROL MTK_SIP_SMC_CMD(0x540)
56
57 struct scpsys_domain {
58 struct generic_pm_domain genpd;
59 const struct scpsys_domain_data *data;
60 const struct scpsys_hwv_domain_data *hwv_data;
61 struct scpsys *scpsys;
62 int num_clks;
63 struct clk_bulk_data *clks;
64 int num_subsys_clks;
65 struct clk_bulk_data *subsys_clks;
66 struct regulator *supply;
67 };
68
69 struct scpsys {
70 struct device *dev;
71 struct regmap *base;
72 const struct scpsys_soc_data *soc_data;
73 u8 bus_prot_index[BUS_PROT_BLOCK_COUNT];
74 struct regmap **bus_prot;
75 struct genpd_onecell_data pd_data;
76 struct generic_pm_domain *domains[];
77 };
78
79 #define to_scpsys_domain(gpd) container_of(gpd, struct scpsys_domain, genpd)
80
81 static bool scpsys_domain_is_on(struct scpsys_domain *pd)
82 {
83 struct scpsys *scpsys = pd->scpsys;
84 u32 status, status2;
85
86 regmap_read(scpsys->base, pd->data->pwr_sta_offs, &status);
87 status &= pd->data->sta_mask;
88
89 regmap_read(scpsys->base, pd->data->pwr_sta2nd_offs, &status2);
90 status2 &= pd->data->sta_mask;
91
92 /* A domain is on when both status bits are set. */
93 return status && status2;
94 }
95
96 static bool scpsys_hwv_domain_is_disable_done(struct scpsys_domain *pd)
97 {
98 const struct scpsys_hwv_domain_data *hwv = pd->hwv_data;
99 u32 regs[2] = { hwv->done, hwv->clr_sta };
100 u32 val[2];
101 u32 mask = BIT(hwv->setclr_bit);
102
103 regmap_multi_reg_read(pd->scpsys->base, regs, val, 2);
104
105 /* Disable is done when the bit is set in DONE, cleared in CLR_STA */
106 return (val[0] & mask) && !(val[1] & mask);
107 }
108
109 static bool scpsys_hwv_domain_is_enable_done(struct scpsys_domain *pd)
110 {
111 const struct scpsys_hwv_domain_data *hwv = pd->hwv_data;
112 u32 regs[3] = { hwv->done, hwv->en, hwv->set_sta };
113 u32 val[3];
114 u32 mask = BIT(hwv->setclr_bit);
115
116 regmap_multi_reg_read(pd->scpsys->base, regs, val, 3);
117
118 /* Enable is done when the bit is set in DONE and EN, cleared in SET_STA */
119 return (val[0] & mask) && (val[1] & mask) && !(val[2] & mask);
120 }
121
122 static int scpsys_sec_infra_power_on(bool on)
123 {
> 124 struct arm_smccc_res res;
125 unsigned long cmd = on ? 1 : 0;
126
> 127 arm_smccc_smc(MTK_SIP_KERNEL_HWCCF_CONTROL, cmd, 0, 0, 0, 0, 0, 0, &res);
128 return res.a0;
129 }
130
--
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https://github.com/intel/lkp-tests/wiki
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